/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_cond_init.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 23:11:02,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 23:11:02,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 23:11:02,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-31 23:11:02,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 23:11:02,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 23:11:02,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 23:11:02,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 23:11:02,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 23:11:02,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 23:11:02,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 23:11:02,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 23:11:02,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 23:11:02,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 23:11:02,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 23:11:02,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 23:11:02,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 23:11:02,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 23:11:02,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 23:11:02,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 23:11:02,450 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-01-31 23:11:02,457 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 23:11:02,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 23:11:02,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 23:11:02,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 23:11:02,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 23:11:02,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 23:11:02,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 23:11:02,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 23:11:02,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 23:11:02,460 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 23:11:02,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 23:11:02,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 23:11:02,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 23:11:02,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 23:11:02,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 23:11:02,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 23:11:02,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 23:11:02,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 23:11:02,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 23:11:02,461 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-01-31 23:11:02,462 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 23:11:02,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 23:11:02,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 23:11:02,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 23:11:02,730 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 23:11:02,732 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 23:11:02,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_cond_init.i [2022-01-31 23:11:02,791 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc09a3281/137bcf021147453c8f52b4bd1fbbc874/FLAGad97144fb [2022-01-31 23:11:03,218 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 23:11:03,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_cond_init.i [2022-01-31 23:11:03,223 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc09a3281/137bcf021147453c8f52b4bd1fbbc874/FLAGad97144fb [2022-01-31 23:11:03,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc09a3281/137bcf021147453c8f52b4bd1fbbc874 [2022-01-31 23:11:03,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 23:11:03,238 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 23:11:03,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 23:11:03,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 23:11:03,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 23:11:03,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:11:03" (1/1) ... [2022-01-31 23:11:03,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8d0769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:11:03, skipping insertion in model container [2022-01-31 23:11:03,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:11:03" (1/1) ... [2022-01-31 23:11:03,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 23:11:03,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 23:11:03,462 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_cond_init.i[999,1012] [2022-01-31 23:11:03,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 23:11:03,490 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 23:11:03,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_cond_init.i[999,1012] [2022-01-31 23:11:03,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 23:11:03,534 INFO L208 MainTranslator]: Completed translation [2022-01-31 23:11:03,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:11:03 WrapperNode [2022-01-31 23:11:03,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 23:11:03,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 23:11:03,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 23:11:03,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 23:11:03,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:11:03" (1/1) ... [2022-01-31 23:11:03,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:11:03" (1/1) ... [2022-01-31 23:11:03,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:11:03" (1/1) ... [2022-01-31 23:11:03,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:11:03" (1/1) ... [2022-01-31 23:11:03,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:11:03" (1/1) ... [2022-01-31 23:11:03,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:11:03" (1/1) ... [2022-01-31 23:11:03,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:11:03" (1/1) ... [2022-01-31 23:11:03,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 23:11:03,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 23:11:03,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 23:11:03,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 23:11:03,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:11:03" (1/1) ... [2022-01-31 23:11:03,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 23:11:03,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 23:11:03,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-31 23:11:03,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-31 23:11:03,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 23:11:03,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 23:11:03,649 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 23:11:03,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-01-31 23:11:03,649 INFO L138 BoogieDeclarations]: Found implementation of procedure user_read [2022-01-31 23:11:03,649 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 23:11:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-01-31 23:11:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 23:11:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 23:11:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2022-01-31 23:11:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2022-01-31 23:11:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 23:11:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 23:11:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-01-31 23:11:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 23:11:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure user_read [2022-01-31 23:11:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 23:11:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-31 23:11:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 23:11:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 23:11:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-31 23:11:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-31 23:11:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 23:11:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 23:11:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 23:11:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 23:11:03,764 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 23:11:03,765 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 23:11:03,957 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 23:11:03,964 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 23:11:03,965 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-31 23:11:03,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:11:03 BoogieIcfgContainer [2022-01-31 23:11:03,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 23:11:03,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 23:11:03,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 23:11:03,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 23:11:03,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 11:11:03" (1/3) ... [2022-01-31 23:11:03,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66dd5a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:11:03, skipping insertion in model container [2022-01-31 23:11:03,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:11:03" (2/3) ... [2022-01-31 23:11:03,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66dd5a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:11:03, skipping insertion in model container [2022-01-31 23:11:03,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:11:03" (3/3) ... [2022-01-31 23:11:03,974 INFO L111 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_cond_init.i [2022-01-31 23:11:03,978 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 23:11:03,979 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 23:11:04,024 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 23:11:04,030 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=QVASR [2022-01-31 23:11:04,031 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 23:11:04,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 23 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-31 23:11:04,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-01-31 23:11:04,055 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:04,056 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:04,057 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:04,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:04,062 INFO L85 PathProgramCache]: Analyzing trace with hash 25889909, now seen corresponding path program 1 times [2022-01-31 23:11:04,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:04,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [651296607] [2022-01-31 23:11:04,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:04,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:04,133 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:04,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:04,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 23:11:04,302 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:04,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [651296607] [2022-01-31 23:11:04,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [651296607] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:04,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:04,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-31 23:11:04,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434570005] [2022-01-31 23:11:04,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:04,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-31 23:11:04,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:04,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-31 23:11:04,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-31 23:11:04,340 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 23 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 23:11:04,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:04,449 INFO L93 Difference]: Finished difference Result 61 states and 79 transitions. [2022-01-31 23:11:04,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-31 23:11:04,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-01-31 23:11:04,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:04,459 INFO L225 Difference]: With dead ends: 61 [2022-01-31 23:11:04,459 INFO L226 Difference]: Without dead ends: 36 [2022-01-31 23:11:04,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-31 23:11:04,468 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 19 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:04,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 34 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 23:11:04,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-01-31 23:11:04,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 27. [2022-01-31 23:11:04,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 23:11:04,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-01-31 23:11:04,503 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 14 [2022-01-31 23:11:04,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:04,504 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-01-31 23:11:04,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 23:11:04,504 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-01-31 23:11:04,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-01-31 23:11:04,505 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:04,505 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:04,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 23:11:04,505 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:04,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:04,506 INFO L85 PathProgramCache]: Analyzing trace with hash -346461340, now seen corresponding path program 1 times [2022-01-31 23:11:04,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:04,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208673978] [2022-01-31 23:11:04,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:04,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:04,509 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:04,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:04,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 23:11:04,562 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:04,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208673978] [2022-01-31 23:11:04,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1208673978] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:04,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:04,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 23:11:04,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342203528] [2022-01-31 23:11:04,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:04,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 23:11:04,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:04,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 23:11:04,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 23:11:04,564 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 23:11:04,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:04,636 INFO L93 Difference]: Finished difference Result 50 states and 59 transitions. [2022-01-31 23:11:04,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 23:11:04,637 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-01-31 23:11:04,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:04,638 INFO L225 Difference]: With dead ends: 50 [2022-01-31 23:11:04,638 INFO L226 Difference]: Without dead ends: 38 [2022-01-31 23:11:04,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 23:11:04,639 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 17 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:04,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 37 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 23:11:04,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-01-31 23:11:04,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 28. [2022-01-31 23:11:04,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.2) internal successors, (24), 20 states have internal predecessors, (24), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 23:11:04,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2022-01-31 23:11:04,647 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 14 [2022-01-31 23:11:04,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:04,647 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2022-01-31 23:11:04,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 23:11:04,648 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2022-01-31 23:11:04,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-31 23:11:04,648 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:04,648 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:04,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 23:11:04,649 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:04,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:04,649 INFO L85 PathProgramCache]: Analyzing trace with hash -710905502, now seen corresponding path program 1 times [2022-01-31 23:11:04,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:04,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [387801229] [2022-01-31 23:11:04,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:04,669 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:04,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:04,671 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:04,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:04,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:04,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 23:11:04,792 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:04,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [387801229] [2022-01-31 23:11:04,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [387801229] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:04,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:04,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 23:11:04,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423932197] [2022-01-31 23:11:04,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:04,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 23:11:04,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:04,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 23:11:04,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-31 23:11:04,794 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 23:11:04,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:04,943 INFO L93 Difference]: Finished difference Result 61 states and 74 transitions. [2022-01-31 23:11:04,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-31 23:11:04,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2022-01-31 23:11:04,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:04,946 INFO L225 Difference]: With dead ends: 61 [2022-01-31 23:11:04,946 INFO L226 Difference]: Without dead ends: 49 [2022-01-31 23:11:04,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-01-31 23:11:04,950 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 31 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:04,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 45 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 23:11:04,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-01-31 23:11:04,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 34. [2022-01-31 23:11:04,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-31 23:11:04,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2022-01-31 23:11:04,969 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 23 [2022-01-31 23:11:04,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:04,970 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2022-01-31 23:11:04,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 23:11:04,970 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2022-01-31 23:11:04,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-31 23:11:04,972 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:04,972 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:04,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-31 23:11:04,972 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:04,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:04,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1531791652, now seen corresponding path program 2 times [2022-01-31 23:11:04,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:04,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257502041] [2022-01-31 23:11:04,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:04,992 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:04,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:04,994 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:05,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:05,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:05,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:05,122 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-31 23:11:05,122 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:05,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257502041] [2022-01-31 23:11:05,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1257502041] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:05,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:05,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-31 23:11:05,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002680823] [2022-01-31 23:11:05,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:05,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-31 23:11:05,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:05,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-31 23:11:05,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-31 23:11:05,124 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 4 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 23:11:05,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:05,227 INFO L93 Difference]: Finished difference Result 72 states and 89 transitions. [2022-01-31 23:11:05,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-31 23:11:05,228 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 4 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 32 [2022-01-31 23:11:05,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:05,229 INFO L225 Difference]: With dead ends: 72 [2022-01-31 23:11:05,229 INFO L226 Difference]: Without dead ends: 60 [2022-01-31 23:11:05,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-31 23:11:05,230 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 44 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:05,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 54 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 23:11:05,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-01-31 23:11:05,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 40. [2022-01-31 23:11:05,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-01-31 23:11:05,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2022-01-31 23:11:05,238 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 32 [2022-01-31 23:11:05,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:05,238 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2022-01-31 23:11:05,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 4 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 23:11:05,239 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2022-01-31 23:11:05,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-31 23:11:05,242 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:05,242 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:05,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-31 23:11:05,242 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:05,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:05,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1154091938, now seen corresponding path program 3 times [2022-01-31 23:11:05,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:05,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151792376] [2022-01-31 23:11:05,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:05,257 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:05,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:05,259 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:05,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:05,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:05,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:05,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:05,380 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-31 23:11:05,380 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:05,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151792376] [2022-01-31 23:11:05,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [151792376] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:05,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:05,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-31 23:11:05,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471951090] [2022-01-31 23:11:05,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:05,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-31 23:11:05,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:05,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-31 23:11:05,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-31 23:11:05,386 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-31 23:11:05,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:05,516 INFO L93 Difference]: Finished difference Result 83 states and 104 transitions. [2022-01-31 23:11:05,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-31 23:11:05,517 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 41 [2022-01-31 23:11:05,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:05,518 INFO L225 Difference]: With dead ends: 83 [2022-01-31 23:11:05,518 INFO L226 Difference]: Without dead ends: 71 [2022-01-31 23:11:05,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-01-31 23:11:05,520 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 63 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:05,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 61 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 23:11:05,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-01-31 23:11:05,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 46. [2022-01-31 23:11:05,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 35 states have (on average 1.2) internal successors, (42), 35 states have internal predecessors, (42), 7 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-01-31 23:11:05,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2022-01-31 23:11:05,527 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 41 [2022-01-31 23:11:05,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:05,528 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2022-01-31 23:11:05,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-31 23:11:05,528 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-01-31 23:11:05,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-01-31 23:11:05,529 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:05,529 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:05,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-31 23:11:05,530 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:05,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:05,530 INFO L85 PathProgramCache]: Analyzing trace with hash 715994852, now seen corresponding path program 4 times [2022-01-31 23:11:05,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:05,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [365921488] [2022-01-31 23:11:05,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:05,537 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:05,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:05,538 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:05,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:05,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:05,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:05,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:05,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:05,688 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-01-31 23:11:05,688 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:05,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [365921488] [2022-01-31 23:11:05,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [365921488] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:05,689 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:05,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-31 23:11:05,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607735801] [2022-01-31 23:11:05,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:05,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-31 23:11:05,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:05,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-31 23:11:05,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-31 23:11:05,691 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 6 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-01-31 23:11:05,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:05,858 INFO L93 Difference]: Finished difference Result 94 states and 119 transitions. [2022-01-31 23:11:05,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-31 23:11:05,858 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 6 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 50 [2022-01-31 23:11:05,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:05,861 INFO L225 Difference]: With dead ends: 94 [2022-01-31 23:11:05,862 INFO L226 Difference]: Without dead ends: 82 [2022-01-31 23:11:05,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2022-01-31 23:11:05,867 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 57 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:05,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 86 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 23:11:05,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-01-31 23:11:05,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 52. [2022-01-31 23:11:05,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 8 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-31 23:11:05,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2022-01-31 23:11:05,881 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 50 [2022-01-31 23:11:05,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:05,881 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2022-01-31 23:11:05,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 6 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-01-31 23:11:05,882 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2022-01-31 23:11:05,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-01-31 23:11:05,888 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:05,888 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:05,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-31 23:11:05,888 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:05,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:05,889 INFO L85 PathProgramCache]: Analyzing trace with hash -2061920798, now seen corresponding path program 5 times [2022-01-31 23:11:05,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:05,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640332111] [2022-01-31 23:11:05,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:05,904 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:05,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:05,907 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,103 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-31 23:11:06,103 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:06,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640332111] [2022-01-31 23:11:06,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [640332111] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:06,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:06,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-31 23:11:06,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880161948] [2022-01-31 23:11:06,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:06,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-31 23:11:06,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:06,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-31 23:11:06,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-01-31 23:11:06,105 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 8 states have internal predecessors, (37), 7 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-01-31 23:11:06,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:06,273 INFO L93 Difference]: Finished difference Result 105 states and 134 transitions. [2022-01-31 23:11:06,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-31 23:11:06,274 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 8 states have internal predecessors, (37), 7 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 59 [2022-01-31 23:11:06,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:06,275 INFO L225 Difference]: With dead ends: 105 [2022-01-31 23:11:06,275 INFO L226 Difference]: Without dead ends: 93 [2022-01-31 23:11:06,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-01-31 23:11:06,276 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 80 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:06,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 89 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 23:11:06,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-01-31 23:11:06,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 58. [2022-01-31 23:11:06,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 45 states have (on average 1.2) internal successors, (54), 45 states have internal predecessors, (54), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-01-31 23:11:06,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 71 transitions. [2022-01-31 23:11:06,295 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 71 transitions. Word has length 59 [2022-01-31 23:11:06,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:06,295 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 71 transitions. [2022-01-31 23:11:06,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 8 states have internal predecessors, (37), 7 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-01-31 23:11:06,296 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2022-01-31 23:11:06,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-01-31 23:11:06,296 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:06,296 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:06,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-31 23:11:06,297 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:06,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:06,297 INFO L85 PathProgramCache]: Analyzing trace with hash 2090153124, now seen corresponding path program 6 times [2022-01-31 23:11:06,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:06,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1824432401] [2022-01-31 23:11:06,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:06,303 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:06,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:06,304 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,455 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-01-31 23:11:06,455 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:06,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1824432401] [2022-01-31 23:11:06,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1824432401] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:06,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:06,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-31 23:11:06,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615212629] [2022-01-31 23:11:06,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:06,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-31 23:11:06,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:06,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-31 23:11:06,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-31 23:11:06,457 INFO L87 Difference]: Start difference. First operand 58 states and 71 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 9 states have internal predecessors, (42), 8 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-31 23:11:06,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:06,612 INFO L93 Difference]: Finished difference Result 116 states and 149 transitions. [2022-01-31 23:11:06,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-31 23:11:06,613 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 9 states have internal predecessors, (42), 8 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Word has length 68 [2022-01-31 23:11:06,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:06,614 INFO L225 Difference]: With dead ends: 116 [2022-01-31 23:11:06,614 INFO L226 Difference]: Without dead ends: 104 [2022-01-31 23:11:06,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-31 23:11:06,615 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 96 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:06,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 96 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 23:11:06,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-01-31 23:11:06,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 64. [2022-01-31 23:11:06,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 50 states have (on average 1.2) internal successors, (60), 50 states have internal predecessors, (60), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-01-31 23:11:06,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 79 transitions. [2022-01-31 23:11:06,623 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 79 transitions. Word has length 68 [2022-01-31 23:11:06,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:06,623 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 79 transitions. [2022-01-31 23:11:06,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 9 states have internal predecessors, (42), 8 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-31 23:11:06,624 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 79 transitions. [2022-01-31 23:11:06,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-01-31 23:11:06,624 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:06,625 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:06,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-31 23:11:06,625 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:06,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:06,625 INFO L85 PathProgramCache]: Analyzing trace with hash 854790178, now seen corresponding path program 7 times [2022-01-31 23:11:06,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:06,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [580440393] [2022-01-31 23:11:06,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:06,631 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:06,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:06,633 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:06,786 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-01-31 23:11:06,786 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:06,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [580440393] [2022-01-31 23:11:06,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [580440393] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:06,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:06,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-31 23:11:06,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720573690] [2022-01-31 23:11:06,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:06,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-31 23:11:06,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:06,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-31 23:11:06,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-31 23:11:06,788 INFO L87 Difference]: Start difference. First operand 64 states and 79 transitions. Second operand has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 10 states have internal predecessors, (47), 9 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-01-31 23:11:06,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:06,951 INFO L93 Difference]: Finished difference Result 127 states and 164 transitions. [2022-01-31 23:11:06,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-31 23:11:06,952 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 10 states have internal predecessors, (47), 9 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 77 [2022-01-31 23:11:06,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:06,953 INFO L225 Difference]: With dead ends: 127 [2022-01-31 23:11:06,953 INFO L226 Difference]: Without dead ends: 115 [2022-01-31 23:11:06,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-31 23:11:06,954 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 109 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:06,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 105 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 23:11:06,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-01-31 23:11:06,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 70. [2022-01-31 23:11:06,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 55 states have (on average 1.2) internal successors, (66), 55 states have internal predecessors, (66), 11 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-01-31 23:11:06,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 87 transitions. [2022-01-31 23:11:06,963 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 87 transitions. Word has length 77 [2022-01-31 23:11:06,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:06,964 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 87 transitions. [2022-01-31 23:11:06,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 10 states have internal predecessors, (47), 9 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-01-31 23:11:06,964 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2022-01-31 23:11:06,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-01-31 23:11:06,965 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:06,965 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:06,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-31 23:11:06,965 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:06,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:06,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1696678500, now seen corresponding path program 8 times [2022-01-31 23:11:06,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:06,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1325171392] [2022-01-31 23:11:06,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:06,991 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:06,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:06,993 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,195 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-01-31 23:11:07,195 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:07,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1325171392] [2022-01-31 23:11:07,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1325171392] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:07,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:07,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-31 23:11:07,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99366255] [2022-01-31 23:11:07,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:07,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-31 23:11:07,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:07,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-31 23:11:07,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2022-01-31 23:11:07,197 INFO L87 Difference]: Start difference. First operand 70 states and 87 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 11 states have internal predecessors, (52), 10 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-01-31 23:11:07,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:07,345 INFO L93 Difference]: Finished difference Result 138 states and 179 transitions. [2022-01-31 23:11:07,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-31 23:11:07,346 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 11 states have internal predecessors, (52), 10 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 86 [2022-01-31 23:11:07,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:07,347 INFO L225 Difference]: With dead ends: 138 [2022-01-31 23:11:07,347 INFO L226 Difference]: Without dead ends: 126 [2022-01-31 23:11:07,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=87, Unknown=0, NotChecked=0, Total=156 [2022-01-31 23:11:07,348 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 140 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:07,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 107 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 23:11:07,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-01-31 23:11:07,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 76. [2022-01-31 23:11:07,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.2) internal successors, (72), 60 states have internal predecessors, (72), 12 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-31 23:11:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 95 transitions. [2022-01-31 23:11:07,365 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 95 transitions. Word has length 86 [2022-01-31 23:11:07,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:07,367 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 95 transitions. [2022-01-31 23:11:07,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 11 states have internal predecessors, (52), 10 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-01-31 23:11:07,367 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 95 transitions. [2022-01-31 23:11:07,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-31 23:11:07,372 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:07,373 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:07,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-31 23:11:07,373 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:07,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:07,373 INFO L85 PathProgramCache]: Analyzing trace with hash 431651426, now seen corresponding path program 9 times [2022-01-31 23:11:07,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:07,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1076206665] [2022-01-31 23:11:07,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:07,380 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:07,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:07,382 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:07,595 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-01-31 23:11:07,595 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:07,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1076206665] [2022-01-31 23:11:07,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1076206665] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:07,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:07,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-01-31 23:11:07,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762488727] [2022-01-31 23:11:07,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:07,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-31 23:11:07,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:07,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-31 23:11:07,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2022-01-31 23:11:07,597 INFO L87 Difference]: Start difference. First operand 76 states and 95 transitions. Second operand has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 12 states have internal predecessors, (57), 11 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-01-31 23:11:07,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:07,790 INFO L93 Difference]: Finished difference Result 149 states and 194 transitions. [2022-01-31 23:11:07,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-31 23:11:07,790 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 12 states have internal predecessors, (57), 11 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 95 [2022-01-31 23:11:07,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:07,792 INFO L225 Difference]: With dead ends: 149 [2022-01-31 23:11:07,792 INFO L226 Difference]: Without dead ends: 137 [2022-01-31 23:11:07,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2022-01-31 23:11:07,793 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 154 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:07,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 116 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-31 23:11:07,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-01-31 23:11:07,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 82. [2022-01-31 23:11:07,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 65 states have (on average 1.2) internal successors, (78), 65 states have internal predecessors, (78), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-01-31 23:11:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 103 transitions. [2022-01-31 23:11:07,800 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 103 transitions. Word has length 95 [2022-01-31 23:11:07,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:07,800 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 103 transitions. [2022-01-31 23:11:07,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 12 states have internal predecessors, (57), 11 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-01-31 23:11:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 103 transitions. [2022-01-31 23:11:07,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-01-31 23:11:07,801 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:07,802 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:07,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-31 23:11:07,802 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:07,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:07,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1452449756, now seen corresponding path program 10 times [2022-01-31 23:11:07,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:07,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [951662682] [2022-01-31 23:11:07,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:07,807 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:07,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:07,810 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,046 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-01-31 23:11:08,046 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:08,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [951662682] [2022-01-31 23:11:08,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [951662682] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:08,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:08,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-01-31 23:11:08,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299664551] [2022-01-31 23:11:08,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:08,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-31 23:11:08,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:08,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-31 23:11:08,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-01-31 23:11:08,049 INFO L87 Difference]: Start difference. First operand 82 states and 103 transitions. Second operand has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 13 states have internal predecessors, (62), 12 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-31 23:11:08,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:08,246 INFO L93 Difference]: Finished difference Result 160 states and 209 transitions. [2022-01-31 23:11:08,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-31 23:11:08,247 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 13 states have internal predecessors, (62), 12 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Word has length 104 [2022-01-31 23:11:08,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:08,248 INFO L225 Difference]: With dead ends: 160 [2022-01-31 23:11:08,249 INFO L226 Difference]: Without dead ends: 148 [2022-01-31 23:11:08,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=116, Unknown=0, NotChecked=0, Total=210 [2022-01-31 23:11:08,250 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 147 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:08,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 138 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-31 23:11:08,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-01-31 23:11:08,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 88. [2022-01-31 23:11:08,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 70 states have (on average 1.2) internal successors, (84), 70 states have internal predecessors, (84), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-01-31 23:11:08,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 111 transitions. [2022-01-31 23:11:08,262 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 111 transitions. Word has length 104 [2022-01-31 23:11:08,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:08,262 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 111 transitions. [2022-01-31 23:11:08,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 13 states have internal predecessors, (62), 12 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-31 23:11:08,263 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 111 transitions. [2022-01-31 23:11:08,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-01-31 23:11:08,264 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:08,264 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:08,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-31 23:11:08,264 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:08,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:08,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1943262370, now seen corresponding path program 11 times [2022-01-31 23:11:08,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:08,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1989901844] [2022-01-31 23:11:08,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:08,271 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:08,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:08,276 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,514 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-01-31 23:11:08,514 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:08,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1989901844] [2022-01-31 23:11:08,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1989901844] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:08,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:08,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-01-31 23:11:08,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420826210] [2022-01-31 23:11:08,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:08,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-01-31 23:11:08,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:08,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-01-31 23:11:08,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2022-01-31 23:11:08,516 INFO L87 Difference]: Start difference. First operand 88 states and 111 transitions. Second operand has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 14 states have internal predecessors, (67), 13 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-01-31 23:11:08,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:08,732 INFO L93 Difference]: Finished difference Result 171 states and 224 transitions. [2022-01-31 23:11:08,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-31 23:11:08,732 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 14 states have internal predecessors, (67), 13 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 113 [2022-01-31 23:11:08,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:08,734 INFO L225 Difference]: With dead ends: 171 [2022-01-31 23:11:08,734 INFO L226 Difference]: Without dead ends: 159 [2022-01-31 23:11:08,735 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=132, Unknown=0, NotChecked=0, Total=240 [2022-01-31 23:11:08,736 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 174 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:08,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 144 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-31 23:11:08,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-01-31 23:11:08,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 94. [2022-01-31 23:11:08,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 75 states have (on average 1.2) internal successors, (90), 75 states have internal predecessors, (90), 15 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-01-31 23:11:08,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 119 transitions. [2022-01-31 23:11:08,745 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 119 transitions. Word has length 113 [2022-01-31 23:11:08,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:08,746 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 119 transitions. [2022-01-31 23:11:08,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 14 states have internal predecessors, (67), 13 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-01-31 23:11:08,746 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 119 transitions. [2022-01-31 23:11:08,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-01-31 23:11:08,747 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:08,747 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:08,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-31 23:11:08,747 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:08,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:08,748 INFO L85 PathProgramCache]: Analyzing trace with hash 2140507620, now seen corresponding path program 12 times [2022-01-31 23:11:08,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:08,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2053183888] [2022-01-31 23:11:08,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:08,757 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:08,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:08,760 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:08,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-01-31 23:11:09,044 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:09,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2053183888] [2022-01-31 23:11:09,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2053183888] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:09,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:09,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-31 23:11:09,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431691069] [2022-01-31 23:11:09,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:09,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-31 23:11:09,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:09,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-31 23:11:09,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2022-01-31 23:11:09,046 INFO L87 Difference]: Start difference. First operand 94 states and 119 transitions. Second operand has 16 states, 16 states have (on average 4.5) internal successors, (72), 15 states have internal predecessors, (72), 14 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-01-31 23:11:09,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:09,274 INFO L93 Difference]: Finished difference Result 182 states and 239 transitions. [2022-01-31 23:11:09,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-31 23:11:09,275 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.5) internal successors, (72), 15 states have internal predecessors, (72), 14 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Word has length 122 [2022-01-31 23:11:09,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:09,277 INFO L225 Difference]: With dead ends: 182 [2022-01-31 23:11:09,277 INFO L226 Difference]: Without dead ends: 170 [2022-01-31 23:11:09,278 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=149, Unknown=0, NotChecked=0, Total=272 [2022-01-31 23:11:09,278 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 226 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:09,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 145 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-31 23:11:09,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-01-31 23:11:09,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 100. [2022-01-31 23:11:09,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 80 states have (on average 1.2) internal successors, (96), 80 states have internal predecessors, (96), 16 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-01-31 23:11:09,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 127 transitions. [2022-01-31 23:11:09,288 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 127 transitions. Word has length 122 [2022-01-31 23:11:09,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:09,289 INFO L470 AbstractCegarLoop]: Abstraction has 100 states and 127 transitions. [2022-01-31 23:11:09,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.5) internal successors, (72), 15 states have internal predecessors, (72), 14 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-01-31 23:11:09,289 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 127 transitions. [2022-01-31 23:11:09,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-01-31 23:11:09,290 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:09,290 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:09,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-31 23:11:09,290 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:09,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:09,291 INFO L85 PathProgramCache]: Analyzing trace with hash 715333346, now seen corresponding path program 13 times [2022-01-31 23:11:09,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:09,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991781797] [2022-01-31 23:11:09,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:09,296 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:09,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:09,299 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:09,563 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-01-31 23:11:09,563 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:09,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991781797] [2022-01-31 23:11:09,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1991781797] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:09,563 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:09,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-31 23:11:09,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896908445] [2022-01-31 23:11:09,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:09,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-31 23:11:09,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:09,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-31 23:11:09,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2022-01-31 23:11:09,565 INFO L87 Difference]: Start difference. First operand 100 states and 127 transitions. Second operand has 17 states, 17 states have (on average 4.529411764705882) internal successors, (77), 16 states have internal predecessors, (77), 15 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-01-31 23:11:09,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:09,838 INFO L93 Difference]: Finished difference Result 193 states and 254 transitions. [2022-01-31 23:11:09,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-31 23:11:09,839 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.529411764705882) internal successors, (77), 16 states have internal predecessors, (77), 15 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Word has length 131 [2022-01-31 23:11:09,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:09,841 INFO L225 Difference]: With dead ends: 193 [2022-01-31 23:11:09,841 INFO L226 Difference]: Without dead ends: 181 [2022-01-31 23:11:09,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=167, Unknown=0, NotChecked=0, Total=306 [2022-01-31 23:11:09,844 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 270 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:09,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 147 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-31 23:11:09,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-01-31 23:11:09,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 106. [2022-01-31 23:11:09,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 85 states have (on average 1.2) internal successors, (102), 85 states have internal predecessors, (102), 17 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-01-31 23:11:09,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 135 transitions. [2022-01-31 23:11:09,852 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 135 transitions. Word has length 131 [2022-01-31 23:11:09,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:09,852 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 135 transitions. [2022-01-31 23:11:09,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.529411764705882) internal successors, (77), 16 states have internal predecessors, (77), 15 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-01-31 23:11:09,852 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 135 transitions. [2022-01-31 23:11:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-01-31 23:11:09,854 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:09,854 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:09,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-31 23:11:09,854 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:09,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:09,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1320536996, now seen corresponding path program 14 times [2022-01-31 23:11:09,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:09,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1935205801] [2022-01-31 23:11:09,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:09,861 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:09,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:09,865 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,190 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-01-31 23:11:10,190 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:10,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1935205801] [2022-01-31 23:11:10,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1935205801] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:10,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:10,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-01-31 23:11:10,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273418562] [2022-01-31 23:11:10,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:10,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-01-31 23:11:10,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:10,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-01-31 23:11:10,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=168, Unknown=0, NotChecked=0, Total=306 [2022-01-31 23:11:10,192 INFO L87 Difference]: Start difference. First operand 106 states and 135 transitions. Second operand has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 17 states have internal predecessors, (82), 16 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-01-31 23:11:10,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:10,450 INFO L93 Difference]: Finished difference Result 204 states and 269 transitions. [2022-01-31 23:11:10,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-31 23:11:10,450 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 17 states have internal predecessors, (82), 16 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Word has length 140 [2022-01-31 23:11:10,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:10,452 INFO L225 Difference]: With dead ends: 204 [2022-01-31 23:11:10,452 INFO L226 Difference]: Without dead ends: 192 [2022-01-31 23:11:10,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=156, Invalid=186, Unknown=0, NotChecked=0, Total=342 [2022-01-31 23:11:10,453 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 214 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:10,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 175 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-31 23:11:10,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-01-31 23:11:10,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 112. [2022-01-31 23:11:10,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 90 states have (on average 1.2) internal successors, (108), 90 states have internal predecessors, (108), 18 states have call successors, (18), 4 states have call predecessors, (18), 3 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-01-31 23:11:10,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 143 transitions. [2022-01-31 23:11:10,463 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 143 transitions. Word has length 140 [2022-01-31 23:11:10,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:10,463 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 143 transitions. [2022-01-31 23:11:10,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 17 states have internal predecessors, (82), 16 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-01-31 23:11:10,463 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 143 transitions. [2022-01-31 23:11:10,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-01-31 23:11:10,464 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:10,465 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:10,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-31 23:11:10,465 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:10,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:10,465 INFO L85 PathProgramCache]: Analyzing trace with hash 378296610, now seen corresponding path program 15 times [2022-01-31 23:11:10,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:10,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [296400956] [2022-01-31 23:11:10,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:10,472 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:10,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:10,477 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:10,765 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-01-31 23:11:10,765 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:10,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [296400956] [2022-01-31 23:11:10,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [296400956] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:10,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:10,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-31 23:11:10,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573908568] [2022-01-31 23:11:10,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:10,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-31 23:11:10,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:10,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-31 23:11:10,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2022-01-31 23:11:10,767 INFO L87 Difference]: Start difference. First operand 112 states and 143 transitions. Second operand has 19 states, 19 states have (on average 4.578947368421052) internal successors, (87), 18 states have internal predecessors, (87), 17 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-01-31 23:11:11,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:11,033 INFO L93 Difference]: Finished difference Result 215 states and 284 transitions. [2022-01-31 23:11:11,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-31 23:11:11,033 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.578947368421052) internal successors, (87), 18 states have internal predecessors, (87), 17 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Word has length 149 [2022-01-31 23:11:11,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:11,034 INFO L225 Difference]: With dead ends: 215 [2022-01-31 23:11:11,035 INFO L226 Difference]: Without dead ends: 203 [2022-01-31 23:11:11,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=174, Invalid=206, Unknown=0, NotChecked=0, Total=380 [2022-01-31 23:11:11,036 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 259 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:11,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [276 Valid, 174 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-31 23:11:11,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-01-31 23:11:11,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 118. [2022-01-31 23:11:11,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 95 states have (on average 1.2) internal successors, (114), 95 states have internal predecessors, (114), 19 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-01-31 23:11:11,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 151 transitions. [2022-01-31 23:11:11,042 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 151 transitions. Word has length 149 [2022-01-31 23:11:11,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:11,043 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 151 transitions. [2022-01-31 23:11:11,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.578947368421052) internal successors, (87), 18 states have internal predecessors, (87), 17 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-01-31 23:11:11,043 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 151 transitions. [2022-01-31 23:11:11,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-01-31 23:11:11,044 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:11,044 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:11,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-31 23:11:11,045 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:11,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:11,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1860835684, now seen corresponding path program 16 times [2022-01-31 23:11:11,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:11,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1978530885] [2022-01-31 23:11:11,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:11,051 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:11,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:11,055 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,385 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-01-31 23:11:11,386 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:11,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1978530885] [2022-01-31 23:11:11,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1978530885] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:11,386 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:11,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-01-31 23:11:11,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233473314] [2022-01-31 23:11:11,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:11,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-01-31 23:11:11,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:11,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-01-31 23:11:11,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=207, Unknown=0, NotChecked=0, Total=380 [2022-01-31 23:11:11,388 INFO L87 Difference]: Start difference. First operand 118 states and 151 transitions. Second operand has 20 states, 20 states have (on average 4.6) internal successors, (92), 19 states have internal predecessors, (92), 18 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-01-31 23:11:11,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:11,642 INFO L93 Difference]: Finished difference Result 226 states and 299 transitions. [2022-01-31 23:11:11,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-31 23:11:11,643 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.6) internal successors, (92), 19 states have internal predecessors, (92), 18 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Word has length 158 [2022-01-31 23:11:11,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:11,646 INFO L225 Difference]: With dead ends: 226 [2022-01-31 23:11:11,646 INFO L226 Difference]: Without dead ends: 214 [2022-01-31 23:11:11,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=193, Invalid=227, Unknown=0, NotChecked=0, Total=420 [2022-01-31 23:11:11,647 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 290 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:11,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [308 Valid, 180 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-31 23:11:11,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2022-01-31 23:11:11,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 124. [2022-01-31 23:11:11,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 100 states have (on average 1.2) internal successors, (120), 100 states have internal predecessors, (120), 20 states have call successors, (20), 4 states have call predecessors, (20), 3 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-01-31 23:11:11,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 159 transitions. [2022-01-31 23:11:11,655 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 159 transitions. Word has length 158 [2022-01-31 23:11:11,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:11,655 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 159 transitions. [2022-01-31 23:11:11,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.6) internal successors, (92), 19 states have internal predecessors, (92), 18 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-01-31 23:11:11,656 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 159 transitions. [2022-01-31 23:11:11,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-01-31 23:11:11,657 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:11,657 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:11,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-31 23:11:11,657 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:11,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:11,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1056146274, now seen corresponding path program 17 times [2022-01-31 23:11:11,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:11,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [772153372] [2022-01-31 23:11:11,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:11,662 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:11,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:11,666 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:11,987 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2022-01-31 23:11:11,987 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:11,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [772153372] [2022-01-31 23:11:11,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [772153372] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:11,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:11,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-01-31 23:11:11,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752298746] [2022-01-31 23:11:11,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:11,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-01-31 23:11:11,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:11,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-01-31 23:11:11,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=228, Unknown=0, NotChecked=0, Total=420 [2022-01-31 23:11:11,989 INFO L87 Difference]: Start difference. First operand 124 states and 159 transitions. Second operand has 21 states, 21 states have (on average 4.619047619047619) internal successors, (97), 20 states have internal predecessors, (97), 19 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-01-31 23:11:12,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:12,325 INFO L93 Difference]: Finished difference Result 237 states and 314 transitions. [2022-01-31 23:11:12,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-31 23:11:12,325 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.619047619047619) internal successors, (97), 20 states have internal predecessors, (97), 19 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Word has length 167 [2022-01-31 23:11:12,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:12,327 INFO L225 Difference]: With dead ends: 237 [2022-01-31 23:11:12,327 INFO L226 Difference]: Without dead ends: 225 [2022-01-31 23:11:12,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=213, Invalid=249, Unknown=0, NotChecked=0, Total=462 [2022-01-31 23:11:12,328 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 288 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:12,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [307 Valid, 196 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-31 23:11:12,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2022-01-31 23:11:12,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 130. [2022-01-31 23:11:12,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 105 states have (on average 1.2) internal successors, (126), 105 states have internal predecessors, (126), 21 states have call successors, (21), 4 states have call predecessors, (21), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-01-31 23:11:12,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 167 transitions. [2022-01-31 23:11:12,336 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 167 transitions. Word has length 167 [2022-01-31 23:11:12,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:12,336 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 167 transitions. [2022-01-31 23:11:12,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.619047619047619) internal successors, (97), 20 states have internal predecessors, (97), 19 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-01-31 23:11:12,336 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 167 transitions. [2022-01-31 23:11:12,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-01-31 23:11:12,338 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:12,338 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:12,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-31 23:11:12,338 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:12,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:12,339 INFO L85 PathProgramCache]: Analyzing trace with hash -380733660, now seen corresponding path program 18 times [2022-01-31 23:11:12,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:12,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1548462365] [2022-01-31 23:11:12,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:12,344 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:12,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:12,349 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:12,737 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2022-01-31 23:11:12,737 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:12,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1548462365] [2022-01-31 23:11:12,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1548462365] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:12,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:12,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-01-31 23:11:12,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73804103] [2022-01-31 23:11:12,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:12,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-01-31 23:11:12,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:12,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-01-31 23:11:12,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=250, Unknown=0, NotChecked=0, Total=462 [2022-01-31 23:11:12,739 INFO L87 Difference]: Start difference. First operand 130 states and 167 transitions. Second operand has 22 states, 22 states have (on average 4.636363636363637) internal successors, (102), 21 states have internal predecessors, (102), 20 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-01-31 23:11:13,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:13,030 INFO L93 Difference]: Finished difference Result 248 states and 329 transitions. [2022-01-31 23:11:13,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-31 23:11:13,031 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.636363636363637) internal successors, (102), 21 states have internal predecessors, (102), 20 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Word has length 176 [2022-01-31 23:11:13,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:13,033 INFO L225 Difference]: With dead ends: 248 [2022-01-31 23:11:13,033 INFO L226 Difference]: Without dead ends: 236 [2022-01-31 23:11:13,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=234, Invalid=272, Unknown=0, NotChecked=0, Total=506 [2022-01-31 23:11:13,036 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 259 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:13,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 217 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-31 23:11:13,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2022-01-31 23:11:13,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 136. [2022-01-31 23:11:13,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 110 states have (on average 1.2) internal successors, (132), 110 states have internal predecessors, (132), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2022-01-31 23:11:13,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 175 transitions. [2022-01-31 23:11:13,047 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 175 transitions. Word has length 176 [2022-01-31 23:11:13,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:13,048 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 175 transitions. [2022-01-31 23:11:13,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.636363636363637) internal successors, (102), 21 states have internal predecessors, (102), 20 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-01-31 23:11:13,048 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 175 transitions. [2022-01-31 23:11:13,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-01-31 23:11:13,051 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:13,051 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:13,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-31 23:11:13,051 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:13,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:13,051 INFO L85 PathProgramCache]: Analyzing trace with hash 440180130, now seen corresponding path program 19 times [2022-01-31 23:11:13,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:13,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049060392] [2022-01-31 23:11:13,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:13,057 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:13,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:13,063 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:13,496 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2022-01-31 23:11:13,496 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:13,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049060392] [2022-01-31 23:11:13,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2049060392] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:13,497 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:13,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-01-31 23:11:13,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321429961] [2022-01-31 23:11:13,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:13,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-01-31 23:11:13,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:13,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-01-31 23:11:13,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=273, Unknown=0, NotChecked=0, Total=506 [2022-01-31 23:11:13,499 INFO L87 Difference]: Start difference. First operand 136 states and 175 transitions. Second operand has 23 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 22 states have internal predecessors, (107), 21 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-01-31 23:11:13,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:13,847 INFO L93 Difference]: Finished difference Result 259 states and 344 transitions. [2022-01-31 23:11:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-31 23:11:13,848 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 22 states have internal predecessors, (107), 21 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Word has length 185 [2022-01-31 23:11:13,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:13,850 INFO L225 Difference]: With dead ends: 259 [2022-01-31 23:11:13,850 INFO L226 Difference]: Without dead ends: 247 [2022-01-31 23:11:13,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=256, Invalid=296, Unknown=0, NotChecked=0, Total=552 [2022-01-31 23:11:13,851 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 291 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:13,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [312 Valid, 211 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-31 23:11:13,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-01-31 23:11:13,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 142. [2022-01-31 23:11:13,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 115 states have (on average 1.2) internal successors, (138), 115 states have internal predecessors, (138), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-01-31 23:11:13,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 183 transitions. [2022-01-31 23:11:13,859 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 183 transitions. Word has length 185 [2022-01-31 23:11:13,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:13,860 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 183 transitions. [2022-01-31 23:11:13,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 22 states have internal predecessors, (107), 21 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-01-31 23:11:13,860 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 183 transitions. [2022-01-31 23:11:13,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-01-31 23:11:13,861 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:13,862 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:13,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-31 23:11:13,862 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:13,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:13,862 INFO L85 PathProgramCache]: Analyzing trace with hash 939451620, now seen corresponding path program 20 times [2022-01-31 23:11:13,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:13,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1930161913] [2022-01-31 23:11:13,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:13,867 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:13,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:13,873 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:14,286 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2022-01-31 23:11:14,286 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:14,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1930161913] [2022-01-31 23:11:14,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1930161913] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:14,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:14,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-01-31 23:11:14,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356280424] [2022-01-31 23:11:14,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:14,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-01-31 23:11:14,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:14,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-01-31 23:11:14,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=297, Unknown=0, NotChecked=0, Total=552 [2022-01-31 23:11:14,288 INFO L87 Difference]: Start difference. First operand 142 states and 183 transitions. Second operand has 24 states, 24 states have (on average 4.666666666666667) internal successors, (112), 23 states have internal predecessors, (112), 22 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2022-01-31 23:11:14,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:14,649 INFO L93 Difference]: Finished difference Result 270 states and 359 transitions. [2022-01-31 23:11:14,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-31 23:11:14,650 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.666666666666667) internal successors, (112), 23 states have internal predecessors, (112), 22 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Word has length 194 [2022-01-31 23:11:14,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:14,652 INFO L225 Difference]: With dead ends: 270 [2022-01-31 23:11:14,652 INFO L226 Difference]: Without dead ends: 258 [2022-01-31 23:11:14,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=279, Invalid=321, Unknown=0, NotChecked=0, Total=600 [2022-01-31 23:11:14,653 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 323 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:14,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [345 Valid, 239 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-31 23:11:14,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-01-31 23:11:14,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 148. [2022-01-31 23:11:14,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 120 states have (on average 1.2) internal successors, (144), 120 states have internal predecessors, (144), 24 states have call successors, (24), 4 states have call predecessors, (24), 3 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2022-01-31 23:11:14,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 191 transitions. [2022-01-31 23:11:14,660 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 191 transitions. Word has length 194 [2022-01-31 23:11:14,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:14,661 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 191 transitions. [2022-01-31 23:11:14,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.666666666666667) internal successors, (112), 23 states have internal predecessors, (112), 22 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2022-01-31 23:11:14,661 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 191 transitions. [2022-01-31 23:11:14,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-01-31 23:11:14,663 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:14,663 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:14,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-31 23:11:14,663 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:14,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:14,664 INFO L85 PathProgramCache]: Analyzing trace with hash -842291230, now seen corresponding path program 21 times [2022-01-31 23:11:14,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:14,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016734590] [2022-01-31 23:11:14,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:14,668 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:14,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:14,674 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,133 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-01-31 23:11:15,133 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:15,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016734590] [2022-01-31 23:11:15,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1016734590] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:15,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:15,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-31 23:11:15,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231249374] [2022-01-31 23:11:15,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:15,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-31 23:11:15,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:15,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-31 23:11:15,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=322, Unknown=0, NotChecked=0, Total=600 [2022-01-31 23:11:15,135 INFO L87 Difference]: Start difference. First operand 148 states and 191 transitions. Second operand has 25 states, 25 states have (on average 4.68) internal successors, (117), 24 states have internal predecessors, (117), 23 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-01-31 23:11:15,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:15,549 INFO L93 Difference]: Finished difference Result 281 states and 374 transitions. [2022-01-31 23:11:15,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-31 23:11:15,550 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.68) internal successors, (117), 24 states have internal predecessors, (117), 23 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Word has length 203 [2022-01-31 23:11:15,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:15,553 INFO L225 Difference]: With dead ends: 281 [2022-01-31 23:11:15,553 INFO L226 Difference]: Without dead ends: 269 [2022-01-31 23:11:15,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=303, Invalid=347, Unknown=0, NotChecked=0, Total=650 [2022-01-31 23:11:15,554 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 337 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:15,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [360 Valid, 239 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-31 23:11:15,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-01-31 23:11:15,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 154. [2022-01-31 23:11:15,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 125 states have (on average 1.2) internal successors, (150), 125 states have internal predecessors, (150), 25 states have call successors, (25), 4 states have call predecessors, (25), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-01-31 23:11:15,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 199 transitions. [2022-01-31 23:11:15,564 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 199 transitions. Word has length 203 [2022-01-31 23:11:15,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:15,565 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 199 transitions. [2022-01-31 23:11:15,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.68) internal successors, (117), 24 states have internal predecessors, (117), 23 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-01-31 23:11:15,566 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 199 transitions. [2022-01-31 23:11:15,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-01-31 23:11:15,569 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:15,569 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:15,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-31 23:11:15,569 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:15,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:15,569 INFO L85 PathProgramCache]: Analyzing trace with hash 102195876, now seen corresponding path program 22 times [2022-01-31 23:11:15,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:15,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1044318881] [2022-01-31 23:11:15,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:15,574 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:15,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:15,580 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:15,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,055 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2022-01-31 23:11:16,055 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:16,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1044318881] [2022-01-31 23:11:16,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1044318881] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:16,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:16,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-31 23:11:16,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559691144] [2022-01-31 23:11:16,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:16,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-31 23:11:16,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:16,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-31 23:11:16,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2022-01-31 23:11:16,059 INFO L87 Difference]: Start difference. First operand 154 states and 199 transitions. Second operand has 26 states, 26 states have (on average 4.6923076923076925) internal successors, (122), 25 states have internal predecessors, (122), 24 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2022-01-31 23:11:16,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:16,447 INFO L93 Difference]: Finished difference Result 292 states and 389 transitions. [2022-01-31 23:11:16,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-31 23:11:16,447 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.6923076923076925) internal successors, (122), 25 states have internal predecessors, (122), 24 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Word has length 212 [2022-01-31 23:11:16,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:16,449 INFO L225 Difference]: With dead ends: 292 [2022-01-31 23:11:16,449 INFO L226 Difference]: Without dead ends: 280 [2022-01-31 23:11:16,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=328, Invalid=374, Unknown=0, NotChecked=0, Total=702 [2022-01-31 23:11:16,450 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 381 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:16,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [405 Valid, 238 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-31 23:11:16,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2022-01-31 23:11:16,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 160. [2022-01-31 23:11:16,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 130 states have (on average 1.2) internal successors, (156), 130 states have internal predecessors, (156), 26 states have call successors, (26), 4 states have call predecessors, (26), 3 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-01-31 23:11:16,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 207 transitions. [2022-01-31 23:11:16,458 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 207 transitions. Word has length 212 [2022-01-31 23:11:16,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:16,458 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 207 transitions. [2022-01-31 23:11:16,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.6923076923076925) internal successors, (122), 25 states have internal predecessors, (122), 24 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2022-01-31 23:11:16,459 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 207 transitions. [2022-01-31 23:11:16,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-01-31 23:11:16,460 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:16,460 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:16,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-31 23:11:16,461 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:16,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:16,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1845797410, now seen corresponding path program 23 times [2022-01-31 23:11:16,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:16,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606688333] [2022-01-31 23:11:16,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:16,466 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:16,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:16,473 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:16,992 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2022-01-31 23:11:16,992 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:16,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [606688333] [2022-01-31 23:11:16,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [606688333] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:16,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:16,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-31 23:11:16,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820828863] [2022-01-31 23:11:16,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:16,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-31 23:11:16,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:16,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-31 23:11:16,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=375, Unknown=0, NotChecked=0, Total=702 [2022-01-31 23:11:16,994 INFO L87 Difference]: Start difference. First operand 160 states and 207 transitions. Second operand has 27 states, 27 states have (on average 4.703703703703703) internal successors, (127), 26 states have internal predecessors, (127), 25 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-01-31 23:11:17,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:17,387 INFO L93 Difference]: Finished difference Result 303 states and 404 transitions. [2022-01-31 23:11:17,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-31 23:11:17,388 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 4.703703703703703) internal successors, (127), 26 states have internal predecessors, (127), 25 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Word has length 221 [2022-01-31 23:11:17,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:17,390 INFO L225 Difference]: With dead ends: 303 [2022-01-31 23:11:17,390 INFO L226 Difference]: Without dead ends: 291 [2022-01-31 23:11:17,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=354, Invalid=402, Unknown=0, NotChecked=0, Total=756 [2022-01-31 23:11:17,391 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 407 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:17,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [432 Valid, 256 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-31 23:11:17,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2022-01-31 23:11:17,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 166. [2022-01-31 23:11:17,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 135 states have (on average 1.2) internal successors, (162), 135 states have internal predecessors, (162), 27 states have call successors, (27), 4 states have call predecessors, (27), 3 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-01-31 23:11:17,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 215 transitions. [2022-01-31 23:11:17,429 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 215 transitions. Word has length 221 [2022-01-31 23:11:17,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:17,430 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 215 transitions. [2022-01-31 23:11:17,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.703703703703703) internal successors, (127), 26 states have internal predecessors, (127), 25 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-01-31 23:11:17,436 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 215 transitions. [2022-01-31 23:11:17,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-01-31 23:11:17,439 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:17,439 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:17,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-31 23:11:17,439 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:17,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:17,440 INFO L85 PathProgramCache]: Analyzing trace with hash -273420188, now seen corresponding path program 24 times [2022-01-31 23:11:17,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:17,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [621972] [2022-01-31 23:11:17,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:17,446 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:17,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:17,453 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:17,982 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2022-01-31 23:11:17,982 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:17,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [621972] [2022-01-31 23:11:17,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [621972] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:17,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:17,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-31 23:11:17,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754772718] [2022-01-31 23:11:17,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:17,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-31 23:11:17,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:17,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-31 23:11:17,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=353, Invalid=403, Unknown=0, NotChecked=0, Total=756 [2022-01-31 23:11:17,986 INFO L87 Difference]: Start difference. First operand 166 states and 215 transitions. Second operand has 28 states, 28 states have (on average 4.714285714285714) internal successors, (132), 27 states have internal predecessors, (132), 26 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-01-31 23:11:18,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:18,420 INFO L93 Difference]: Finished difference Result 314 states and 419 transitions. [2022-01-31 23:11:18,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-31 23:11:18,421 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.714285714285714) internal successors, (132), 27 states have internal predecessors, (132), 26 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Word has length 230 [2022-01-31 23:11:18,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:18,422 INFO L225 Difference]: With dead ends: 314 [2022-01-31 23:11:18,422 INFO L226 Difference]: Without dead ends: 302 [2022-01-31 23:11:18,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=381, Invalid=431, Unknown=0, NotChecked=0, Total=812 [2022-01-31 23:11:18,423 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 398 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:18,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [424 Valid, 255 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-31 23:11:18,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2022-01-31 23:11:18,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 172. [2022-01-31 23:11:18,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 140 states have (on average 1.2) internal successors, (168), 140 states have internal predecessors, (168), 28 states have call successors, (28), 4 states have call predecessors, (28), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-01-31 23:11:18,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 223 transitions. [2022-01-31 23:11:18,431 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 223 transitions. Word has length 230 [2022-01-31 23:11:18,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:18,432 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 223 transitions. [2022-01-31 23:11:18,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.714285714285714) internal successors, (132), 27 states have internal predecessors, (132), 26 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-01-31 23:11:18,432 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 223 transitions. [2022-01-31 23:11:18,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-01-31 23:11:18,433 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:18,433 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:18,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-31 23:11:18,433 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:18,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:18,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1045138530, now seen corresponding path program 25 times [2022-01-31 23:11:18,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:18,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [155827944] [2022-01-31 23:11:18,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:18,439 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:18,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:18,447 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:18,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:18,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:18,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:18,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:18,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:18,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:18,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:18,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:18,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:18,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:18,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:18,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:18,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:18,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:18,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,036 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-01-31 23:11:19,036 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:19,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [155827944] [2022-01-31 23:11:19,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [155827944] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:19,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:19,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-01-31 23:11:19,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664819842] [2022-01-31 23:11:19,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:19,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-01-31 23:11:19,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:19,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-01-31 23:11:19,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=432, Unknown=0, NotChecked=0, Total=812 [2022-01-31 23:11:19,038 INFO L87 Difference]: Start difference. First operand 172 states and 223 transitions. Second operand has 29 states, 29 states have (on average 4.724137931034483) internal successors, (137), 28 states have internal predecessors, (137), 27 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-01-31 23:11:19,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:19,449 INFO L93 Difference]: Finished difference Result 325 states and 434 transitions. [2022-01-31 23:11:19,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-31 23:11:19,450 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.724137931034483) internal successors, (137), 28 states have internal predecessors, (137), 27 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Word has length 239 [2022-01-31 23:11:19,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:19,452 INFO L225 Difference]: With dead ends: 325 [2022-01-31 23:11:19,452 INFO L226 Difference]: Without dead ends: 313 [2022-01-31 23:11:19,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=409, Invalid=461, Unknown=0, NotChecked=0, Total=870 [2022-01-31 23:11:19,453 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 530 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:19,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [557 Valid, 263 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-31 23:11:19,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2022-01-31 23:11:19,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 178. [2022-01-31 23:11:19,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 145 states have (on average 1.2) internal successors, (174), 145 states have internal predecessors, (174), 29 states have call successors, (29), 4 states have call predecessors, (29), 3 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-01-31 23:11:19,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 231 transitions. [2022-01-31 23:11:19,461 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 231 transitions. Word has length 239 [2022-01-31 23:11:19,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:19,462 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 231 transitions. [2022-01-31 23:11:19,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.724137931034483) internal successors, (137), 28 states have internal predecessors, (137), 27 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-01-31 23:11:19,462 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 231 transitions. [2022-01-31 23:11:19,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-01-31 23:11:19,463 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:19,463 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:19,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-31 23:11:19,463 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:19,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:19,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1106284068, now seen corresponding path program 26 times [2022-01-31 23:11:19,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:19,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [788356665] [2022-01-31 23:11:19,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:19,469 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:19,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:19,475 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:19,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:20,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:20,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:20,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:20,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:20,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:20,010 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2022-01-31 23:11:20,011 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:20,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [788356665] [2022-01-31 23:11:20,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [788356665] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:20,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:20,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-01-31 23:11:20,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569511535] [2022-01-31 23:11:20,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:20,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-01-31 23:11:20,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:20,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-01-31 23:11:20,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=462, Unknown=0, NotChecked=0, Total=870 [2022-01-31 23:11:20,013 INFO L87 Difference]: Start difference. First operand 178 states and 231 transitions. Second operand has 30 states, 30 states have (on average 4.733333333333333) internal successors, (142), 29 states have internal predecessors, (142), 28 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-01-31 23:11:20,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:20,486 INFO L93 Difference]: Finished difference Result 336 states and 449 transitions. [2022-01-31 23:11:20,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-31 23:11:20,486 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 4.733333333333333) internal successors, (142), 29 states have internal predecessors, (142), 28 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Word has length 248 [2022-01-31 23:11:20,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:20,488 INFO L225 Difference]: With dead ends: 336 [2022-01-31 23:11:20,488 INFO L226 Difference]: Without dead ends: 324 [2022-01-31 23:11:20,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=438, Invalid=492, Unknown=0, NotChecked=0, Total=930 [2022-01-31 23:11:20,489 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 468 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:20,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [496 Valid, 283 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-31 23:11:20,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2022-01-31 23:11:20,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 184. [2022-01-31 23:11:20,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 150 states have (on average 1.2) internal successors, (180), 150 states have internal predecessors, (180), 30 states have call successors, (30), 4 states have call predecessors, (30), 3 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2022-01-31 23:11:20,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 239 transitions. [2022-01-31 23:11:20,498 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 239 transitions. Word has length 248 [2022-01-31 23:11:20,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:20,498 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 239 transitions. [2022-01-31 23:11:20,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.733333333333333) internal successors, (142), 29 states have internal predecessors, (142), 28 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-01-31 23:11:20,499 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 239 transitions. [2022-01-31 23:11:20,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-01-31 23:11:20,500 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:20,500 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 27, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:20,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-31 23:11:20,500 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:20,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:20,501 INFO L85 PathProgramCache]: Analyzing trace with hash -251369822, now seen corresponding path program 27 times [2022-01-31 23:11:20,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:20,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078754027] [2022-01-31 23:11:20,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:20,506 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:20,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:20,513 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:21,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2022-01-31 23:11:21,104 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:21,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078754027] [2022-01-31 23:11:21,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2078754027] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:21,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:21,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-01-31 23:11:21,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740852426] [2022-01-31 23:11:21,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:21,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-01-31 23:11:21,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:21,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-01-31 23:11:21,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=493, Unknown=0, NotChecked=0, Total=930 [2022-01-31 23:11:21,107 INFO L87 Difference]: Start difference. First operand 184 states and 239 transitions. Second operand has 31 states, 31 states have (on average 4.741935483870968) internal successors, (147), 30 states have internal predecessors, (147), 29 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-01-31 23:11:21,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:21,557 INFO L93 Difference]: Finished difference Result 347 states and 464 transitions. [2022-01-31 23:11:21,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-31 23:11:21,557 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 4.741935483870968) internal successors, (147), 30 states have internal predecessors, (147), 29 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Word has length 257 [2022-01-31 23:11:21,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:21,559 INFO L225 Difference]: With dead ends: 347 [2022-01-31 23:11:21,559 INFO L226 Difference]: Without dead ends: 335 [2022-01-31 23:11:21,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=468, Invalid=524, Unknown=0, NotChecked=0, Total=992 [2022-01-31 23:11:21,561 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 513 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:21,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [542 Valid, 281 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-31 23:11:21,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2022-01-31 23:11:21,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 190. [2022-01-31 23:11:21,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 155 states have (on average 1.2) internal successors, (186), 155 states have internal predecessors, (186), 31 states have call successors, (31), 4 states have call predecessors, (31), 3 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-01-31 23:11:21,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 247 transitions. [2022-01-31 23:11:21,569 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 247 transitions. Word has length 257 [2022-01-31 23:11:21,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:21,570 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 247 transitions. [2022-01-31 23:11:21,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.741935483870968) internal successors, (147), 30 states have internal predecessors, (147), 29 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-01-31 23:11:21,570 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 247 transitions. [2022-01-31 23:11:21,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-01-31 23:11:21,571 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:21,572 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:21,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-31 23:11:21,572 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:21,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:21,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1159119900, now seen corresponding path program 28 times [2022-01-31 23:11:21,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:21,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1642409808] [2022-01-31 23:11:21,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:21,577 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:21,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:21,586 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:22,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1134 trivial. 0 not checked. [2022-01-31 23:11:22,235 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:22,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1642409808] [2022-01-31 23:11:22,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1642409808] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:22,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:22,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-01-31 23:11:22,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633246420] [2022-01-31 23:11:22,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:22,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-01-31 23:11:22,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:22,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-01-31 23:11:22,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=467, Invalid=525, Unknown=0, NotChecked=0, Total=992 [2022-01-31 23:11:22,237 INFO L87 Difference]: Start difference. First operand 190 states and 247 transitions. Second operand has 32 states, 32 states have (on average 4.75) internal successors, (152), 31 states have internal predecessors, (152), 30 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2022-01-31 23:11:22,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:22,706 INFO L93 Difference]: Finished difference Result 358 states and 479 transitions. [2022-01-31 23:11:22,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-31 23:11:22,706 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 4.75) internal successors, (152), 31 states have internal predecessors, (152), 30 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Word has length 266 [2022-01-31 23:11:22,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:22,708 INFO L225 Difference]: With dead ends: 358 [2022-01-31 23:11:22,708 INFO L226 Difference]: Without dead ends: 346 [2022-01-31 23:11:22,709 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=499, Invalid=557, Unknown=0, NotChecked=0, Total=1056 [2022-01-31 23:11:22,709 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 515 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:22,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [545 Valid, 296 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-31 23:11:22,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2022-01-31 23:11:22,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 196. [2022-01-31 23:11:22,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 160 states have (on average 1.2) internal successors, (192), 160 states have internal predecessors, (192), 32 states have call successors, (32), 4 states have call predecessors, (32), 3 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-01-31 23:11:22,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 255 transitions. [2022-01-31 23:11:22,719 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 255 transitions. Word has length 266 [2022-01-31 23:11:22,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:22,719 INFO L470 AbstractCegarLoop]: Abstraction has 196 states and 255 transitions. [2022-01-31 23:11:22,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.75) internal successors, (152), 31 states have internal predecessors, (152), 30 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2022-01-31 23:11:22,719 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 255 transitions. [2022-01-31 23:11:22,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-01-31 23:11:22,721 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:22,721 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:22,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-31 23:11:22,721 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:22,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:22,721 INFO L85 PathProgramCache]: Analyzing trace with hash -409784094, now seen corresponding path program 29 times [2022-01-31 23:11:22,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:22,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1487605753] [2022-01-31 23:11:22,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:22,727 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:22,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:22,736 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:23,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1218 trivial. 0 not checked. [2022-01-31 23:11:23,402 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:23,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1487605753] [2022-01-31 23:11:23,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1487605753] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:23,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:23,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2022-01-31 23:11:23,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140101640] [2022-01-31 23:11:23,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:23,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-01-31 23:11:23,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:23,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-01-31 23:11:23,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=558, Unknown=0, NotChecked=0, Total=1056 [2022-01-31 23:11:23,404 INFO L87 Difference]: Start difference. First operand 196 states and 255 transitions. Second operand has 33 states, 33 states have (on average 4.757575757575758) internal successors, (157), 32 states have internal predecessors, (157), 31 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-01-31 23:11:23,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:23,905 INFO L93 Difference]: Finished difference Result 369 states and 494 transitions. [2022-01-31 23:11:23,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-31 23:11:23,907 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 4.757575757575758) internal successors, (157), 32 states have internal predecessors, (157), 31 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Word has length 275 [2022-01-31 23:11:23,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:23,909 INFO L225 Difference]: With dead ends: 369 [2022-01-31 23:11:23,909 INFO L226 Difference]: Without dead ends: 357 [2022-01-31 23:11:23,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=531, Invalid=591, Unknown=0, NotChecked=0, Total=1122 [2022-01-31 23:11:23,911 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 484 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:23,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [515 Valid, 310 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-31 23:11:23,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2022-01-31 23:11:23,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 202. [2022-01-31 23:11:23,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 165 states have (on average 1.2) internal successors, (198), 165 states have internal predecessors, (198), 33 states have call successors, (33), 4 states have call predecessors, (33), 3 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-01-31 23:11:23,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 263 transitions. [2022-01-31 23:11:23,920 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 263 transitions. Word has length 275 [2022-01-31 23:11:23,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:23,921 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 263 transitions. [2022-01-31 23:11:23,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.757575757575758) internal successors, (157), 32 states have internal predecessors, (157), 31 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-01-31 23:11:23,921 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 263 transitions. [2022-01-31 23:11:23,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-01-31 23:11:23,922 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:23,922 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:23,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-31 23:11:23,923 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:23,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:23,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1236924836, now seen corresponding path program 30 times [2022-01-31 23:11:23,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:23,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2020999309] [2022-01-31 23:11:23,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:23,934 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:23,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:23,941 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:24,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2022-01-31 23:11:24,619 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:24,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2020999309] [2022-01-31 23:11:24,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2020999309] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:24,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:24,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2022-01-31 23:11:24,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264049042] [2022-01-31 23:11:24,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:24,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-01-31 23:11:24,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:24,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-01-31 23:11:24,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=530, Invalid=592, Unknown=0, NotChecked=0, Total=1122 [2022-01-31 23:11:24,621 INFO L87 Difference]: Start difference. First operand 202 states and 263 transitions. Second operand has 34 states, 34 states have (on average 4.764705882352941) internal successors, (162), 33 states have internal predecessors, (162), 32 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-01-31 23:11:25,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:25,136 INFO L93 Difference]: Finished difference Result 380 states and 509 transitions. [2022-01-31 23:11:25,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-31 23:11:25,137 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 4.764705882352941) internal successors, (162), 33 states have internal predecessors, (162), 32 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Word has length 284 [2022-01-31 23:11:25,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:25,139 INFO L225 Difference]: With dead ends: 380 [2022-01-31 23:11:25,139 INFO L226 Difference]: Without dead ends: 368 [2022-01-31 23:11:25,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=564, Invalid=626, Unknown=0, NotChecked=0, Total=1190 [2022-01-31 23:11:25,140 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 559 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:25,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [591 Valid, 307 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-31 23:11:25,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2022-01-31 23:11:25,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 208. [2022-01-31 23:11:25,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 170 states have (on average 1.2) internal successors, (204), 170 states have internal predecessors, (204), 34 states have call successors, (34), 4 states have call predecessors, (34), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-01-31 23:11:25,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 271 transitions. [2022-01-31 23:11:25,149 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 271 transitions. Word has length 284 [2022-01-31 23:11:25,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:25,150 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 271 transitions. [2022-01-31 23:11:25,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.764705882352941) internal successors, (162), 33 states have internal predecessors, (162), 32 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-01-31 23:11:25,150 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 271 transitions. [2022-01-31 23:11:25,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-01-31 23:11:25,151 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:25,152 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 31, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:25,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-31 23:11:25,152 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:25,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:25,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1918626594, now seen corresponding path program 31 times [2022-01-31 23:11:25,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:25,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [803078294] [2022-01-31 23:11:25,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:25,157 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:25,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:25,164 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:25,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2022-01-31 23:11:25,890 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:25,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [803078294] [2022-01-31 23:11:25,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [803078294] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:25,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:25,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2022-01-31 23:11:25,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939107912] [2022-01-31 23:11:25,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:25,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-01-31 23:11:25,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:25,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-01-31 23:11:25,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=563, Invalid=627, Unknown=0, NotChecked=0, Total=1190 [2022-01-31 23:11:25,892 INFO L87 Difference]: Start difference. First operand 208 states and 271 transitions. Second operand has 35 states, 35 states have (on average 4.771428571428571) internal successors, (167), 34 states have internal predecessors, (167), 33 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-01-31 23:11:26,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:26,418 INFO L93 Difference]: Finished difference Result 391 states and 524 transitions. [2022-01-31 23:11:26,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-31 23:11:26,419 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 4.771428571428571) internal successors, (167), 34 states have internal predecessors, (167), 33 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Word has length 293 [2022-01-31 23:11:26,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:26,421 INFO L225 Difference]: With dead ends: 391 [2022-01-31 23:11:26,421 INFO L226 Difference]: Without dead ends: 379 [2022-01-31 23:11:26,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=598, Invalid=662, Unknown=0, NotChecked=0, Total=1260 [2022-01-31 23:11:26,422 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 689 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 323 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 323 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:26,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [722 Valid, 309 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [323 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-31 23:11:26,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2022-01-31 23:11:26,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 214. [2022-01-31 23:11:26,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 175 states have (on average 1.2) internal successors, (210), 175 states have internal predecessors, (210), 35 states have call successors, (35), 4 states have call predecessors, (35), 3 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-01-31 23:11:26,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 279 transitions. [2022-01-31 23:11:26,433 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 279 transitions. Word has length 293 [2022-01-31 23:11:26,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:26,434 INFO L470 AbstractCegarLoop]: Abstraction has 214 states and 279 transitions. [2022-01-31 23:11:26,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.771428571428571) internal successors, (167), 34 states have internal predecessors, (167), 33 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-01-31 23:11:26,434 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 279 transitions. [2022-01-31 23:11:26,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-01-31 23:11:26,436 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:26,436 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:26,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-31 23:11:26,436 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:26,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:26,436 INFO L85 PathProgramCache]: Analyzing trace with hash -830552220, now seen corresponding path program 32 times [2022-01-31 23:11:26,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:26,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [840454851] [2022-01-31 23:11:26,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:26,442 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:26,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:26,450 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:11:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:27,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1488 trivial. 0 not checked. [2022-01-31 23:11:27,172 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:27,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [840454851] [2022-01-31 23:11:27,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [840454851] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:27,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:27,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2022-01-31 23:11:27,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562765807] [2022-01-31 23:11:27,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:27,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-01-31 23:11:27,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:27,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-01-31 23:11:27,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=597, Invalid=663, Unknown=0, NotChecked=0, Total=1260 [2022-01-31 23:11:27,175 INFO L87 Difference]: Start difference. First operand 214 states and 279 transitions. Second operand has 36 states, 36 states have (on average 4.777777777777778) internal successors, (172), 35 states have internal predecessors, (172), 34 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-01-31 23:11:27,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:27,757 INFO L93 Difference]: Finished difference Result 402 states and 539 transitions. [2022-01-31 23:11:27,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-31 23:11:27,757 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 4.777777777777778) internal successors, (172), 35 states have internal predecessors, (172), 34 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Word has length 302 [2022-01-31 23:11:27,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:27,760 INFO L225 Difference]: With dead ends: 402 [2022-01-31 23:11:27,760 INFO L226 Difference]: Without dead ends: 390 [2022-01-31 23:11:27,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=633, Invalid=699, Unknown=0, NotChecked=0, Total=1332 [2022-01-31 23:11:27,762 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 539 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:27,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [573 Valid, 324 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-31 23:11:27,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2022-01-31 23:11:27,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 220. [2022-01-31 23:11:27,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 180 states have (on average 1.2) internal successors, (216), 180 states have internal predecessors, (216), 36 states have call successors, (36), 4 states have call predecessors, (36), 3 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2022-01-31 23:11:27,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 287 transitions. [2022-01-31 23:11:27,773 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 287 transitions. Word has length 302 [2022-01-31 23:11:27,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:27,774 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 287 transitions. [2022-01-31 23:11:27,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.777777777777778) internal successors, (172), 35 states have internal predecessors, (172), 34 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-01-31 23:11:27,774 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 287 transitions. [2022-01-31 23:11:27,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2022-01-31 23:11:27,775 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:27,775 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 33, 33, 33, 33, 33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:27,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-31 23:11:27,776 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:27,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:27,776 INFO L85 PathProgramCache]: Analyzing trace with hash 281187682, now seen corresponding path program 33 times [2022-01-31 23:11:27,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:27,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1071482234] [2022-01-31 23:11:27,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:27,783 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:27,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:27,792 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:11:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:11:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:28,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2022-01-31 23:11:28,573 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:28,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1071482234] [2022-01-31 23:11:28,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1071482234] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:28,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:28,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2022-01-31 23:11:28,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505737277] [2022-01-31 23:11:28,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:28,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-01-31 23:11:28,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:28,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-01-31 23:11:28,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=632, Invalid=700, Unknown=0, NotChecked=0, Total=1332 [2022-01-31 23:11:28,576 INFO L87 Difference]: Start difference. First operand 220 states and 287 transitions. Second operand has 37 states, 37 states have (on average 4.783783783783784) internal successors, (177), 36 states have internal predecessors, (177), 35 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-01-31 23:11:29,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:29,163 INFO L93 Difference]: Finished difference Result 413 states and 554 transitions. [2022-01-31 23:11:29,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-31 23:11:29,163 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 4.783783783783784) internal successors, (177), 36 states have internal predecessors, (177), 35 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Word has length 311 [2022-01-31 23:11:29,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:29,166 INFO L225 Difference]: With dead ends: 413 [2022-01-31 23:11:29,166 INFO L226 Difference]: Without dead ends: 401 [2022-01-31 23:11:29,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=669, Invalid=737, Unknown=0, NotChecked=0, Total=1406 [2022-01-31 23:11:29,167 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 803 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 376 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:29,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [838 Valid, 313 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [376 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-31 23:11:29,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2022-01-31 23:11:29,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 226. [2022-01-31 23:11:29,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 185 states have (on average 1.2) internal successors, (222), 185 states have internal predecessors, (222), 37 states have call successors, (37), 4 states have call predecessors, (37), 3 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-01-31 23:11:29,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 295 transitions. [2022-01-31 23:11:29,176 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 295 transitions. Word has length 311 [2022-01-31 23:11:29,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:29,177 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 295 transitions. [2022-01-31 23:11:29,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.783783783783784) internal successors, (177), 36 states have internal predecessors, (177), 35 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-01-31 23:11:29,177 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 295 transitions. [2022-01-31 23:11:29,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-01-31 23:11:29,179 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:29,179 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:29,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-31 23:11:29,179 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:29,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:29,180 INFO L85 PathProgramCache]: Analyzing trace with hash -632052444, now seen corresponding path program 34 times [2022-01-31 23:11:29,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:29,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [783485952] [2022-01-31 23:11:29,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:29,190 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:29,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:29,201 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:11:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:11:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:29,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:11:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:30,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2022-01-31 23:11:30,002 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:30,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [783485952] [2022-01-31 23:11:30,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [783485952] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:30,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:30,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2022-01-31 23:11:30,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84775046] [2022-01-31 23:11:30,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:30,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-01-31 23:11:30,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:30,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-01-31 23:11:30,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=668, Invalid=738, Unknown=0, NotChecked=0, Total=1406 [2022-01-31 23:11:30,005 INFO L87 Difference]: Start difference. First operand 226 states and 295 transitions. Second operand has 38 states, 38 states have (on average 4.7894736842105265) internal successors, (182), 37 states have internal predecessors, (182), 36 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2022-01-31 23:11:30,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:30,620 INFO L93 Difference]: Finished difference Result 424 states and 569 transitions. [2022-01-31 23:11:30,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-31 23:11:30,620 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 4.7894736842105265) internal successors, (182), 37 states have internal predecessors, (182), 36 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Word has length 320 [2022-01-31 23:11:30,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:30,623 INFO L225 Difference]: With dead ends: 424 [2022-01-31 23:11:30,623 INFO L226 Difference]: Without dead ends: 412 [2022-01-31 23:11:30,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=706, Invalid=776, Unknown=0, NotChecked=0, Total=1482 [2022-01-31 23:11:30,624 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 691 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:30,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [727 Valid, 349 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-31 23:11:30,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2022-01-31 23:11:30,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 232. [2022-01-31 23:11:30,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 190 states have (on average 1.2) internal successors, (228), 190 states have internal predecessors, (228), 38 states have call successors, (38), 4 states have call predecessors, (38), 3 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-01-31 23:11:30,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 303 transitions. [2022-01-31 23:11:30,637 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 303 transitions. Word has length 320 [2022-01-31 23:11:30,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:30,637 INFO L470 AbstractCegarLoop]: Abstraction has 232 states and 303 transitions. [2022-01-31 23:11:30,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 4.7894736842105265) internal successors, (182), 37 states have internal predecessors, (182), 36 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2022-01-31 23:11:30,638 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 303 transitions. [2022-01-31 23:11:30,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-01-31 23:11:30,640 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:30,640 INFO L514 BasicCegarLoop]: trace histogram [35, 35, 35, 35, 35, 35, 35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:30,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-01-31 23:11:30,640 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:30,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:30,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1322569822, now seen corresponding path program 35 times [2022-01-31 23:11:30,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:30,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [845533317] [2022-01-31 23:11:30,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:30,647 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:30,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:30,660 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:11:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:11:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:11:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:11:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:31,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1785 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1785 trivial. 0 not checked. [2022-01-31 23:11:31,431 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:31,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [845533317] [2022-01-31 23:11:31,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [845533317] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:31,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:31,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2022-01-31 23:11:31,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651922629] [2022-01-31 23:11:31,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:31,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-01-31 23:11:31,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:31,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-01-31 23:11:31,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=705, Invalid=777, Unknown=0, NotChecked=0, Total=1482 [2022-01-31 23:11:31,434 INFO L87 Difference]: Start difference. First operand 232 states and 303 transitions. Second operand has 39 states, 39 states have (on average 4.794871794871795) internal successors, (187), 38 states have internal predecessors, (187), 37 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-01-31 23:11:32,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:32,050 INFO L93 Difference]: Finished difference Result 435 states and 584 transitions. [2022-01-31 23:11:32,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-31 23:11:32,051 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 4.794871794871795) internal successors, (187), 38 states have internal predecessors, (187), 37 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Word has length 329 [2022-01-31 23:11:32,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:32,053 INFO L225 Difference]: With dead ends: 435 [2022-01-31 23:11:32,053 INFO L226 Difference]: Without dead ends: 423 [2022-01-31 23:11:32,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=744, Invalid=816, Unknown=0, NotChecked=0, Total=1560 [2022-01-31 23:11:32,054 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 598 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:32,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [635 Valid, 363 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-31 23:11:32,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2022-01-31 23:11:32,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 238. [2022-01-31 23:11:32,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 195 states have (on average 1.2) internal successors, (234), 195 states have internal predecessors, (234), 39 states have call successors, (39), 4 states have call predecessors, (39), 3 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-01-31 23:11:32,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 311 transitions. [2022-01-31 23:11:32,065 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 311 transitions. Word has length 329 [2022-01-31 23:11:32,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:32,066 INFO L470 AbstractCegarLoop]: Abstraction has 238 states and 311 transitions. [2022-01-31 23:11:32,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.794871794871795) internal successors, (187), 38 states have internal predecessors, (187), 37 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-01-31 23:11:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 311 transitions. [2022-01-31 23:11:32,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-01-31 23:11:32,068 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:32,068 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:32,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-01-31 23:11:32,068 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:32,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:32,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1867813604, now seen corresponding path program 36 times [2022-01-31 23:11:32,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:32,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1221188907] [2022-01-31 23:11:32,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:32,073 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:32,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:32,113 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:11:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:11:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:11:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:11:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:11:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1890 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-01-31 23:11:32,910 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:32,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1221188907] [2022-01-31 23:11:32,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1221188907] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:32,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:32,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2022-01-31 23:11:32,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105450895] [2022-01-31 23:11:32,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:32,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-01-31 23:11:32,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:32,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-01-31 23:11:32,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=743, Invalid=817, Unknown=0, NotChecked=0, Total=1560 [2022-01-31 23:11:32,913 INFO L87 Difference]: Start difference. First operand 238 states and 311 transitions. Second operand has 40 states, 40 states have (on average 4.8) internal successors, (192), 39 states have internal predecessors, (192), 38 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-01-31 23:11:33,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:33,456 INFO L93 Difference]: Finished difference Result 446 states and 599 transitions. [2022-01-31 23:11:33,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-31 23:11:33,456 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 4.8) internal successors, (192), 39 states have internal predecessors, (192), 38 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Word has length 338 [2022-01-31 23:11:33,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:33,459 INFO L225 Difference]: With dead ends: 446 [2022-01-31 23:11:33,459 INFO L226 Difference]: Without dead ends: 434 [2022-01-31 23:11:33,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=783, Invalid=857, Unknown=0, NotChecked=0, Total=1640 [2022-01-31 23:11:33,460 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 883 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:33,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [921 Valid, 343 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [417 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-31 23:11:33,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2022-01-31 23:11:33,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 244. [2022-01-31 23:11:33,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 200 states have (on average 1.2) internal successors, (240), 200 states have internal predecessors, (240), 40 states have call successors, (40), 4 states have call predecessors, (40), 3 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2022-01-31 23:11:33,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 319 transitions. [2022-01-31 23:11:33,471 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 319 transitions. Word has length 338 [2022-01-31 23:11:33,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:33,472 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 319 transitions. [2022-01-31 23:11:33,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.8) internal successors, (192), 39 states have internal predecessors, (192), 38 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-01-31 23:11:33,472 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 319 transitions. [2022-01-31 23:11:33,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2022-01-31 23:11:33,474 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:33,474 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 37, 37, 37, 37, 37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:33,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-01-31 23:11:33,474 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:33,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:33,475 INFO L85 PathProgramCache]: Analyzing trace with hash -252069406, now seen corresponding path program 37 times [2022-01-31 23:11:33,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:33,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1310527087] [2022-01-31 23:11:33,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:33,480 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:33,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:33,489 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:11:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:11:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:11:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:11:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:11:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:11:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:34,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1998 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1998 trivial. 0 not checked. [2022-01-31 23:11:34,404 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:34,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1310527087] [2022-01-31 23:11:34,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1310527087] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:34,405 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:34,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [41] imperfect sequences [] total 41 [2022-01-31 23:11:34,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466244103] [2022-01-31 23:11:34,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:34,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-01-31 23:11:34,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:34,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-01-31 23:11:34,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=782, Invalid=858, Unknown=0, NotChecked=0, Total=1640 [2022-01-31 23:11:34,408 INFO L87 Difference]: Start difference. First operand 244 states and 319 transitions. Second operand has 41 states, 41 states have (on average 4.804878048780488) internal successors, (197), 40 states have internal predecessors, (197), 39 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-01-31 23:11:34,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:34,976 INFO L93 Difference]: Finished difference Result 457 states and 614 transitions. [2022-01-31 23:11:34,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-31 23:11:34,977 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 4.804878048780488) internal successors, (197), 40 states have internal predecessors, (197), 39 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Word has length 347 [2022-01-31 23:11:34,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:34,979 INFO L225 Difference]: With dead ends: 457 [2022-01-31 23:11:34,980 INFO L226 Difference]: Without dead ends: 445 [2022-01-31 23:11:34,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=823, Invalid=899, Unknown=0, NotChecked=0, Total=1722 [2022-01-31 23:11:34,983 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 673 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 712 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:34,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [712 Valid, 374 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [311 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-31 23:11:34,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2022-01-31 23:11:34,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 250. [2022-01-31 23:11:34,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 205 states have (on average 1.2) internal successors, (246), 205 states have internal predecessors, (246), 41 states have call successors, (41), 4 states have call predecessors, (41), 3 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2022-01-31 23:11:34,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 327 transitions. [2022-01-31 23:11:34,996 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 327 transitions. Word has length 347 [2022-01-31 23:11:34,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:34,996 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 327 transitions. [2022-01-31 23:11:34,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 4.804878048780488) internal successors, (197), 40 states have internal predecessors, (197), 39 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-01-31 23:11:34,997 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 327 transitions. [2022-01-31 23:11:34,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-01-31 23:11:34,998 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:34,998 INFO L514 BasicCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:34,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-01-31 23:11:34,999 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:34,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:34,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1063415644, now seen corresponding path program 38 times [2022-01-31 23:11:34,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:34,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [969475028] [2022-01-31 23:11:34,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:35,004 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:35,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:35,015 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:11:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:11:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:11:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:11:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:11:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:11:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:11:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:35,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2109 trivial. 0 not checked. [2022-01-31 23:11:35,935 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:35,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [969475028] [2022-01-31 23:11:35,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [969475028] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:35,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:35,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [] total 42 [2022-01-31 23:11:35,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043091723] [2022-01-31 23:11:35,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:35,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-01-31 23:11:35,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:35,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-01-31 23:11:35,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=822, Invalid=900, Unknown=0, NotChecked=0, Total=1722 [2022-01-31 23:11:35,937 INFO L87 Difference]: Start difference. First operand 250 states and 327 transitions. Second operand has 42 states, 42 states have (on average 4.809523809523809) internal successors, (202), 41 states have internal predecessors, (202), 40 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2022-01-31 23:11:36,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:36,574 INFO L93 Difference]: Finished difference Result 468 states and 629 transitions. [2022-01-31 23:11:36,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-31 23:11:36,574 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 4.809523809523809) internal successors, (202), 41 states have internal predecessors, (202), 40 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Word has length 356 [2022-01-31 23:11:36,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:36,576 INFO L225 Difference]: With dead ends: 468 [2022-01-31 23:11:36,576 INFO L226 Difference]: Without dead ends: 456 [2022-01-31 23:11:36,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=864, Invalid=942, Unknown=0, NotChecked=0, Total=1806 [2022-01-31 23:11:36,577 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 683 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:36,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [723 Valid, 384 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-31 23:11:36,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2022-01-31 23:11:36,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 256. [2022-01-31 23:11:36,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 210 states have (on average 1.2) internal successors, (252), 210 states have internal predecessors, (252), 42 states have call successors, (42), 4 states have call predecessors, (42), 3 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2022-01-31 23:11:36,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 335 transitions. [2022-01-31 23:11:36,591 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 335 transitions. Word has length 356 [2022-01-31 23:11:36,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:36,592 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 335 transitions. [2022-01-31 23:11:36,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.809523809523809) internal successors, (202), 41 states have internal predecessors, (202), 40 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2022-01-31 23:11:36,592 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 335 transitions. [2022-01-31 23:11:36,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-01-31 23:11:36,593 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:36,594 INFO L514 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:36,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-01-31 23:11:36,594 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:36,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:36,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1553085474, now seen corresponding path program 39 times [2022-01-31 23:11:36,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:36,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [510440019] [2022-01-31 23:11:36,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:36,600 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:36,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:36,611 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:11:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:11:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:11:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:11:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:11:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:11:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:11:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:11:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:37,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2223 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2223 trivial. 0 not checked. [2022-01-31 23:11:37,576 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:37,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [510440019] [2022-01-31 23:11:37,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [510440019] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:37,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:37,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2022-01-31 23:11:37,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869078022] [2022-01-31 23:11:37,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:37,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-01-31 23:11:37,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:37,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-01-31 23:11:37,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=863, Invalid=943, Unknown=0, NotChecked=0, Total=1806 [2022-01-31 23:11:37,579 INFO L87 Difference]: Start difference. First operand 256 states and 335 transitions. Second operand has 43 states, 43 states have (on average 4.813953488372093) internal successors, (207), 42 states have internal predecessors, (207), 41 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2022-01-31 23:11:38,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:38,351 INFO L93 Difference]: Finished difference Result 479 states and 644 transitions. [2022-01-31 23:11:38,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-31 23:11:38,352 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 4.813953488372093) internal successors, (207), 42 states have internal predecessors, (207), 41 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Word has length 365 [2022-01-31 23:11:38,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:38,354 INFO L225 Difference]: With dead ends: 479 [2022-01-31 23:11:38,354 INFO L226 Difference]: Without dead ends: 467 [2022-01-31 23:11:38,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=906, Invalid=986, Unknown=0, NotChecked=0, Total=1892 [2022-01-31 23:11:38,356 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 862 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 397 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 397 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:38,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [903 Valid, 378 Invalid, 996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [397 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-31 23:11:38,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2022-01-31 23:11:38,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 262. [2022-01-31 23:11:38,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 215 states have (on average 1.2) internal successors, (258), 215 states have internal predecessors, (258), 43 states have call successors, (43), 4 states have call predecessors, (43), 3 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-01-31 23:11:38,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 343 transitions. [2022-01-31 23:11:38,369 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 343 transitions. Word has length 365 [2022-01-31 23:11:38,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:38,369 INFO L470 AbstractCegarLoop]: Abstraction has 262 states and 343 transitions. [2022-01-31 23:11:38,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.813953488372093) internal successors, (207), 42 states have internal predecessors, (207), 41 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2022-01-31 23:11:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 343 transitions. [2022-01-31 23:11:38,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-01-31 23:11:38,372 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:38,372 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:38,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-01-31 23:11:38,372 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:38,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:38,373 INFO L85 PathProgramCache]: Analyzing trace with hash -229990812, now seen corresponding path program 40 times [2022-01-31 23:11:38,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:38,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2035332795] [2022-01-31 23:11:38,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:38,378 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:38,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:38,394 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:11:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:11:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:11:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:11:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:11:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:11:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:11:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:11:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:11:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:39,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2340 trivial. 0 not checked. [2022-01-31 23:11:39,401 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:39,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2035332795] [2022-01-31 23:11:39,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2035332795] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:39,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:39,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [] total 44 [2022-01-31 23:11:39,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992950462] [2022-01-31 23:11:39,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:39,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-01-31 23:11:39,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:39,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-01-31 23:11:39,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=905, Invalid=987, Unknown=0, NotChecked=0, Total=1892 [2022-01-31 23:11:39,403 INFO L87 Difference]: Start difference. First operand 262 states and 343 transitions. Second operand has 44 states, 44 states have (on average 4.818181818181818) internal successors, (212), 43 states have internal predecessors, (212), 42 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2022-01-31 23:11:40,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:40,015 INFO L93 Difference]: Finished difference Result 490 states and 659 transitions. [2022-01-31 23:11:40,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-31 23:11:40,015 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 4.818181818181818) internal successors, (212), 43 states have internal predecessors, (212), 42 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Word has length 374 [2022-01-31 23:11:40,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:40,018 INFO L225 Difference]: With dead ends: 490 [2022-01-31 23:11:40,018 INFO L226 Difference]: Without dead ends: 478 [2022-01-31 23:11:40,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=949, Invalid=1031, Unknown=0, NotChecked=0, Total=1980 [2022-01-31 23:11:40,019 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 964 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 453 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1006 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:40,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1006 Valid, 384 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [453 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-31 23:11:40,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2022-01-31 23:11:40,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 268. [2022-01-31 23:11:40,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 220 states have (on average 1.2) internal successors, (264), 220 states have internal predecessors, (264), 44 states have call successors, (44), 4 states have call predecessors, (44), 3 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-01-31 23:11:40,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 351 transitions. [2022-01-31 23:11:40,030 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 351 transitions. Word has length 374 [2022-01-31 23:11:40,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:40,030 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 351 transitions. [2022-01-31 23:11:40,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 4.818181818181818) internal successors, (212), 43 states have internal predecessors, (212), 42 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2022-01-31 23:11:40,030 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 351 transitions. [2022-01-31 23:11:40,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2022-01-31 23:11:40,032 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:40,032 INFO L514 BasicCegarLoop]: trace histogram [41, 41, 41, 41, 41, 41, 41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:40,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-01-31 23:11:40,032 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:40,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:40,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1353146782, now seen corresponding path program 41 times [2022-01-31 23:11:40,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:40,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [457343301] [2022-01-31 23:11:40,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:40,038 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:40,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:40,051 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:40,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:40,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:40,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:40,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:11:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:11:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:11:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:11:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:11:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:11:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:11:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:11:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:11:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:11:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:41,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2460 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2460 trivial. 0 not checked. [2022-01-31 23:11:41,062 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:41,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [457343301] [2022-01-31 23:11:41,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [457343301] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:41,064 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:41,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2022-01-31 23:11:41,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600349267] [2022-01-31 23:11:41,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:41,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-01-31 23:11:41,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:41,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-01-31 23:11:41,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=948, Invalid=1032, Unknown=0, NotChecked=0, Total=1980 [2022-01-31 23:11:41,068 INFO L87 Difference]: Start difference. First operand 268 states and 351 transitions. Second operand has 45 states, 45 states have (on average 4.822222222222222) internal successors, (217), 44 states have internal predecessors, (217), 43 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-01-31 23:11:41,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:41,750 INFO L93 Difference]: Finished difference Result 501 states and 674 transitions. [2022-01-31 23:11:41,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-31 23:11:41,751 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 4.822222222222222) internal successors, (217), 44 states have internal predecessors, (217), 43 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Word has length 383 [2022-01-31 23:11:41,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:41,753 INFO L225 Difference]: With dead ends: 501 [2022-01-31 23:11:41,753 INFO L226 Difference]: Without dead ends: 489 [2022-01-31 23:11:41,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=993, Invalid=1077, Unknown=0, NotChecked=0, Total=2070 [2022-01-31 23:11:41,754 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 732 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 775 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:41,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [775 Valid, 406 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [335 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-31 23:11:41,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2022-01-31 23:11:41,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 274. [2022-01-31 23:11:41,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 225 states have (on average 1.2) internal successors, (270), 225 states have internal predecessors, (270), 45 states have call successors, (45), 4 states have call predecessors, (45), 3 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-01-31 23:11:41,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 359 transitions. [2022-01-31 23:11:41,765 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 359 transitions. Word has length 383 [2022-01-31 23:11:41,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:41,766 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 359 transitions. [2022-01-31 23:11:41,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.822222222222222) internal successors, (217), 44 states have internal predecessors, (217), 43 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-01-31 23:11:41,766 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 359 transitions. [2022-01-31 23:11:41,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2022-01-31 23:11:41,768 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:41,768 INFO L514 BasicCegarLoop]: trace histogram [42, 42, 42, 42, 42, 42, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:41,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-01-31 23:11:41,769 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:41,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:41,769 INFO L85 PathProgramCache]: Analyzing trace with hash -646464476, now seen corresponding path program 42 times [2022-01-31 23:11:41,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:41,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473514881] [2022-01-31 23:11:41,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:41,777 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:41,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:41,790 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:11:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:11:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:11:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:11:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:11:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:11:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:11:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:11:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:11:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:11:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:11:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:42,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2583 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2583 trivial. 0 not checked. [2022-01-31 23:11:42,875 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:42,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473514881] [2022-01-31 23:11:42,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [473514881] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:42,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:42,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [46] imperfect sequences [] total 46 [2022-01-31 23:11:42,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990745052] [2022-01-31 23:11:42,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:42,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-01-31 23:11:42,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:42,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-01-31 23:11:42,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=992, Invalid=1078, Unknown=0, NotChecked=0, Total=2070 [2022-01-31 23:11:42,877 INFO L87 Difference]: Start difference. First operand 274 states and 359 transitions. Second operand has 46 states, 46 states have (on average 4.826086956521739) internal successors, (222), 45 states have internal predecessors, (222), 44 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-01-31 23:11:43,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:43,589 INFO L93 Difference]: Finished difference Result 512 states and 689 transitions. [2022-01-31 23:11:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-31 23:11:43,589 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 4.826086956521739) internal successors, (222), 45 states have internal predecessors, (222), 44 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Word has length 392 [2022-01-31 23:11:43,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:43,592 INFO L225 Difference]: With dead ends: 512 [2022-01-31 23:11:43,592 INFO L226 Difference]: Without dead ends: 500 [2022-01-31 23:11:43,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1038, Invalid=1124, Unknown=0, NotChecked=0, Total=2162 [2022-01-31 23:11:43,593 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 745 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 343 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 343 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:43,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [789 Valid, 417 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [343 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-31 23:11:43,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2022-01-31 23:11:43,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 280. [2022-01-31 23:11:43,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 230 states have (on average 1.2) internal successors, (276), 230 states have internal predecessors, (276), 46 states have call successors, (46), 4 states have call predecessors, (46), 3 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2022-01-31 23:11:43,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 367 transitions. [2022-01-31 23:11:43,604 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 367 transitions. Word has length 392 [2022-01-31 23:11:43,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:43,605 INFO L470 AbstractCegarLoop]: Abstraction has 280 states and 367 transitions. [2022-01-31 23:11:43,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 4.826086956521739) internal successors, (222), 45 states have internal predecessors, (222), 44 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-01-31 23:11:43,605 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 367 transitions. [2022-01-31 23:11:43,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2022-01-31 23:11:43,607 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:43,607 INFO L514 BasicCegarLoop]: trace histogram [43, 43, 43, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:43,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-01-31 23:11:43,607 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:43,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:43,608 INFO L85 PathProgramCache]: Analyzing trace with hash 330365090, now seen corresponding path program 43 times [2022-01-31 23:11:43,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:43,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2005873737] [2022-01-31 23:11:43,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:43,613 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:43,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:43,627 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:11:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:11:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:11:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:11:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:11:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:11:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:11:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:11:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:11:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:11:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:11:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:11:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:44,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2709 trivial. 0 not checked. [2022-01-31 23:11:44,683 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:44,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2005873737] [2022-01-31 23:11:44,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2005873737] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:44,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:44,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2022-01-31 23:11:44,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241365814] [2022-01-31 23:11:44,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:44,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-01-31 23:11:44,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:44,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-01-31 23:11:44,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1037, Invalid=1125, Unknown=0, NotChecked=0, Total=2162 [2022-01-31 23:11:44,685 INFO L87 Difference]: Start difference. First operand 280 states and 367 transitions. Second operand has 47 states, 47 states have (on average 4.829787234042553) internal successors, (227), 46 states have internal predecessors, (227), 45 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-01-31 23:11:45,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:45,343 INFO L93 Difference]: Finished difference Result 523 states and 704 transitions. [2022-01-31 23:11:45,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-31 23:11:45,343 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 4.829787234042553) internal successors, (227), 46 states have internal predecessors, (227), 45 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Word has length 401 [2022-01-31 23:11:45,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:45,346 INFO L225 Difference]: With dead ends: 523 [2022-01-31 23:11:45,346 INFO L226 Difference]: Without dead ends: 511 [2022-01-31 23:11:45,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1084, Invalid=1172, Unknown=0, NotChecked=0, Total=2256 [2022-01-31 23:11:45,347 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 735 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 780 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:45,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [780 Valid, 447 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [340 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-31 23:11:45,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2022-01-31 23:11:45,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 286. [2022-01-31 23:11:45,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 235 states have (on average 1.2) internal successors, (282), 235 states have internal predecessors, (282), 47 states have call successors, (47), 4 states have call predecessors, (47), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2022-01-31 23:11:45,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 375 transitions. [2022-01-31 23:11:45,358 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 375 transitions. Word has length 401 [2022-01-31 23:11:45,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:45,359 INFO L470 AbstractCegarLoop]: Abstraction has 286 states and 375 transitions. [2022-01-31 23:11:45,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 4.829787234042553) internal successors, (227), 46 states have internal predecessors, (227), 45 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-01-31 23:11:45,359 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 375 transitions. [2022-01-31 23:11:45,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2022-01-31 23:11:45,361 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:45,361 INFO L514 BasicCegarLoop]: trace histogram [44, 44, 44, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:45,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-01-31 23:11:45,362 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:45,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:45,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1136596508, now seen corresponding path program 44 times [2022-01-31 23:11:45,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:45,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [745216751] [2022-01-31 23:11:45,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:45,370 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:45,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:45,384 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:11:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:11:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:11:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:11:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:11:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:11:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:11:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:11:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:11:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:11:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:11:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:11:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:11:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:46,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2838 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2838 trivial. 0 not checked. [2022-01-31 23:11:46,490 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:46,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [745216751] [2022-01-31 23:11:46,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [745216751] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:46,490 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:46,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [48] imperfect sequences [] total 48 [2022-01-31 23:11:46,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476144950] [2022-01-31 23:11:46,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:46,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-01-31 23:11:46,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:46,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-01-31 23:11:46,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1083, Invalid=1173, Unknown=0, NotChecked=0, Total=2256 [2022-01-31 23:11:46,493 INFO L87 Difference]: Start difference. First operand 286 states and 375 transitions. Second operand has 48 states, 48 states have (on average 4.833333333333333) internal successors, (232), 47 states have internal predecessors, (232), 46 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2022-01-31 23:11:47,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:47,287 INFO L93 Difference]: Finished difference Result 534 states and 719 transitions. [2022-01-31 23:11:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-31 23:11:47,287 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 4.833333333333333) internal successors, (232), 47 states have internal predecessors, (232), 46 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Word has length 410 [2022-01-31 23:11:47,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:47,289 INFO L225 Difference]: With dead ends: 534 [2022-01-31 23:11:47,289 INFO L226 Difference]: Without dead ends: 522 [2022-01-31 23:11:47,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1131, Invalid=1221, Unknown=0, NotChecked=0, Total=2352 [2022-01-31 23:11:47,290 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 803 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 849 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:47,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [849 Valid, 434 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-31 23:11:47,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2022-01-31 23:11:47,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 292. [2022-01-31 23:11:47,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 240 states have (on average 1.2) internal successors, (288), 240 states have internal predecessors, (288), 48 states have call successors, (48), 4 states have call predecessors, (48), 3 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-01-31 23:11:47,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 383 transitions. [2022-01-31 23:11:47,301 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 383 transitions. Word has length 410 [2022-01-31 23:11:47,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:47,301 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 383 transitions. [2022-01-31 23:11:47,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.833333333333333) internal successors, (232), 47 states have internal predecessors, (232), 46 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2022-01-31 23:11:47,301 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 383 transitions. [2022-01-31 23:11:47,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2022-01-31 23:11:47,303 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:47,304 INFO L514 BasicCegarLoop]: trace histogram [45, 45, 45, 45, 45, 45, 45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:47,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-01-31 23:11:47,304 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:47,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:47,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1660895970, now seen corresponding path program 45 times [2022-01-31 23:11:47,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:47,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139747363] [2022-01-31 23:11:47,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:47,313 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:47,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:47,327 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:11:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:11:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:11:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:11:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:11:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:11:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:11:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:11:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:11:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:11:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:11:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:11:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:11:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:11:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:48,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2970 trivial. 0 not checked. [2022-01-31 23:11:48,415 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:48,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [139747363] [2022-01-31 23:11:48,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [139747363] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:48,415 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:48,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [] total 49 [2022-01-31 23:11:48,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717841137] [2022-01-31 23:11:48,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:48,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-01-31 23:11:48,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:48,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-01-31 23:11:48,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1130, Invalid=1222, Unknown=0, NotChecked=0, Total=2352 [2022-01-31 23:11:48,418 INFO L87 Difference]: Start difference. First operand 292 states and 383 transitions. Second operand has 49 states, 49 states have (on average 4.836734693877551) internal successors, (237), 48 states have internal predecessors, (237), 47 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2022-01-31 23:11:49,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:49,211 INFO L93 Difference]: Finished difference Result 545 states and 734 transitions. [2022-01-31 23:11:49,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-31 23:11:49,211 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 4.836734693877551) internal successors, (237), 48 states have internal predecessors, (237), 47 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Word has length 419 [2022-01-31 23:11:49,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:49,214 INFO L225 Difference]: With dead ends: 545 [2022-01-31 23:11:49,214 INFO L226 Difference]: Without dead ends: 533 [2022-01-31 23:11:49,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1179, Invalid=1271, Unknown=0, NotChecked=0, Total=2450 [2022-01-31 23:11:49,217 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 1012 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1059 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 473 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:49,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1059 Valid, 423 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [473 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-31 23:11:49,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2022-01-31 23:11:49,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 298. [2022-01-31 23:11:49,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 245 states have (on average 1.2) internal successors, (294), 245 states have internal predecessors, (294), 49 states have call successors, (49), 4 states have call predecessors, (49), 3 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-01-31 23:11:49,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 391 transitions. [2022-01-31 23:11:49,233 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 391 transitions. Word has length 419 [2022-01-31 23:11:49,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:49,233 INFO L470 AbstractCegarLoop]: Abstraction has 298 states and 391 transitions. [2022-01-31 23:11:49,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 4.836734693877551) internal successors, (237), 48 states have internal predecessors, (237), 47 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2022-01-31 23:11:49,234 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 391 transitions. [2022-01-31 23:11:49,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-01-31 23:11:49,236 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:49,236 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 46, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:49,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-01-31 23:11:49,236 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:49,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:49,236 INFO L85 PathProgramCache]: Analyzing trace with hash 297936804, now seen corresponding path program 46 times [2022-01-31 23:11:49,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:49,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709676130] [2022-01-31 23:11:49,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:49,250 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:49,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:49,267 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:11:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:11:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:11:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:11:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:11:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:11:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:11:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:11:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:11:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:11:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:11:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:11:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:11:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:11:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:11:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:50,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3105 trivial. 0 not checked. [2022-01-31 23:11:50,372 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:50,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709676130] [2022-01-31 23:11:50,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1709676130] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:50,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:50,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [50] imperfect sequences [] total 50 [2022-01-31 23:11:50,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433173566] [2022-01-31 23:11:50,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:50,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-01-31 23:11:50,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:50,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-01-31 23:11:50,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1178, Invalid=1272, Unknown=0, NotChecked=0, Total=2450 [2022-01-31 23:11:50,374 INFO L87 Difference]: Start difference. First operand 298 states and 391 transitions. Second operand has 50 states, 50 states have (on average 4.84) internal successors, (242), 49 states have internal predecessors, (242), 48 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-01-31 23:11:51,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:51,105 INFO L93 Difference]: Finished difference Result 556 states and 749 transitions. [2022-01-31 23:11:51,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-31 23:11:51,105 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 4.84) internal successors, (242), 49 states have internal predecessors, (242), 48 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) Word has length 428 [2022-01-31 23:11:51,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:51,107 INFO L225 Difference]: With dead ends: 556 [2022-01-31 23:11:51,107 INFO L226 Difference]: Without dead ends: 544 [2022-01-31 23:11:51,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1228, Invalid=1322, Unknown=0, NotChecked=0, Total=2550 [2022-01-31 23:11:51,108 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 1167 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 543 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 543 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:51,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1215 Valid, 423 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [543 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-31 23:11:51,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2022-01-31 23:11:51,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 304. [2022-01-31 23:11:51,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 250 states have (on average 1.2) internal successors, (300), 250 states have internal predecessors, (300), 50 states have call successors, (50), 4 states have call predecessors, (50), 3 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2022-01-31 23:11:51,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 399 transitions. [2022-01-31 23:11:51,141 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 399 transitions. Word has length 428 [2022-01-31 23:11:51,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:51,141 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 399 transitions. [2022-01-31 23:11:51,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.84) internal successors, (242), 49 states have internal predecessors, (242), 48 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-01-31 23:11:51,142 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 399 transitions. [2022-01-31 23:11:51,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-01-31 23:11:51,146 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:51,147 INFO L514 BasicCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:51,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-01-31 23:11:51,147 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:51,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:51,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1705475362, now seen corresponding path program 47 times [2022-01-31 23:11:51,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:51,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513406497] [2022-01-31 23:11:51,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:51,153 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:51,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:51,171 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:11:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:11:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:11:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:11:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:11:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:11:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:11:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:11:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:11:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:11:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:11:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:11:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:11:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:11:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:11:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:11:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:52,272 INFO L134 CoverageAnalysis]: Checked inductivity of 3243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2022-01-31 23:11:52,272 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:52,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513406497] [2022-01-31 23:11:52,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1513406497] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:52,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:52,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2022-01-31 23:11:52,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462095042] [2022-01-31 23:11:52,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:52,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-01-31 23:11:52,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:52,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-01-31 23:11:52,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1227, Invalid=1323, Unknown=0, NotChecked=0, Total=2550 [2022-01-31 23:11:52,275 INFO L87 Difference]: Start difference. First operand 304 states and 399 transitions. Second operand has 51 states, 51 states have (on average 4.8431372549019605) internal successors, (247), 50 states have internal predecessors, (247), 49 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-01-31 23:11:53,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:53,050 INFO L93 Difference]: Finished difference Result 567 states and 764 transitions. [2022-01-31 23:11:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-31 23:11:53,051 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 4.8431372549019605) internal successors, (247), 50 states have internal predecessors, (247), 49 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Word has length 437 [2022-01-31 23:11:53,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:53,053 INFO L225 Difference]: With dead ends: 567 [2022-01-31 23:11:53,053 INFO L226 Difference]: Without dead ends: 555 [2022-01-31 23:11:53,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1278, Invalid=1374, Unknown=0, NotChecked=0, Total=2652 [2022-01-31 23:11:53,053 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 1040 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 481 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 481 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:53,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1089 Valid, 450 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [481 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-31 23:11:53,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2022-01-31 23:11:53,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 310. [2022-01-31 23:11:53,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 255 states have (on average 1.2) internal successors, (306), 255 states have internal predecessors, (306), 51 states have call successors, (51), 4 states have call predecessors, (51), 3 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2022-01-31 23:11:53,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 407 transitions. [2022-01-31 23:11:53,065 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 407 transitions. Word has length 437 [2022-01-31 23:11:53,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:53,066 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 407 transitions. [2022-01-31 23:11:53,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 4.8431372549019605) internal successors, (247), 50 states have internal predecessors, (247), 49 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-01-31 23:11:53,087 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 407 transitions. [2022-01-31 23:11:53,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2022-01-31 23:11:53,089 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:53,089 INFO L514 BasicCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:53,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-01-31 23:11:53,090 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:53,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:53,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1108833636, now seen corresponding path program 48 times [2022-01-31 23:11:53,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:53,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144867218] [2022-01-31 23:11:53,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:53,098 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:53,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:53,117 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:11:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:11:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:11:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:11:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:11:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:11:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:11:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:11:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:11:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:11:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:11:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:11:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:11:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:11:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:11:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:11:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:11:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3384 trivial. 0 not checked. [2022-01-31 23:11:54,267 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:54,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144867218] [2022-01-31 23:11:54,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2144867218] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:54,268 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:54,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [52] imperfect sequences [] total 52 [2022-01-31 23:11:54,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047756095] [2022-01-31 23:11:54,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:54,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-01-31 23:11:54,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:54,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-01-31 23:11:54,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1277, Invalid=1375, Unknown=0, NotChecked=0, Total=2652 [2022-01-31 23:11:54,270 INFO L87 Difference]: Start difference. First operand 310 states and 407 transitions. Second operand has 52 states, 52 states have (on average 4.846153846153846) internal successors, (252), 51 states have internal predecessors, (252), 50 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2022-01-31 23:11:55,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:55,216 INFO L93 Difference]: Finished difference Result 578 states and 779 transitions. [2022-01-31 23:11:55,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-31 23:11:55,217 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 4.846153846153846) internal successors, (252), 51 states have internal predecessors, (252), 50 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Word has length 446 [2022-01-31 23:11:55,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:55,252 INFO L225 Difference]: With dead ends: 578 [2022-01-31 23:11:55,252 INFO L226 Difference]: Without dead ends: 566 [2022-01-31 23:11:55,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1329, Invalid=1427, Unknown=0, NotChecked=0, Total=2756 [2022-01-31 23:11:55,253 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 873 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 923 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:55,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [923 Valid, 470 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 23:11:55,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2022-01-31 23:11:55,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 316. [2022-01-31 23:11:55,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 260 states have (on average 1.2) internal successors, (312), 260 states have internal predecessors, (312), 52 states have call successors, (52), 4 states have call predecessors, (52), 3 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-01-31 23:11:55,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 415 transitions. [2022-01-31 23:11:55,272 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 415 transitions. Word has length 446 [2022-01-31 23:11:55,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:55,273 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 415 transitions. [2022-01-31 23:11:55,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 4.846153846153846) internal successors, (252), 51 states have internal predecessors, (252), 50 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2022-01-31 23:11:55,273 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 415 transitions. [2022-01-31 23:11:55,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-01-31 23:11:55,275 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:55,275 INFO L514 BasicCegarLoop]: trace histogram [49, 49, 49, 49, 49, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:55,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-01-31 23:11:55,276 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:55,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:55,276 INFO L85 PathProgramCache]: Analyzing trace with hash 319661922, now seen corresponding path program 49 times [2022-01-31 23:11:55,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:55,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2142211612] [2022-01-31 23:11:55,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:55,280 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:55,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:55,301 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:11:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:11:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:11:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:11:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:11:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:11:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:11:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:11:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:11:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:11:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:11:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:11:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:11:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:11:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:11:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:11:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:11:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:11:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:56,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3528 trivial. 0 not checked. [2022-01-31 23:11:56,572 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:56,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2142211612] [2022-01-31 23:11:56,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2142211612] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:56,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:56,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2022-01-31 23:11:56,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117547038] [2022-01-31 23:11:56,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:56,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-01-31 23:11:56,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:56,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-01-31 23:11:56,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1328, Invalid=1428, Unknown=0, NotChecked=0, Total=2756 [2022-01-31 23:11:56,574 INFO L87 Difference]: Start difference. First operand 316 states and 415 transitions. Second operand has 53 states, 53 states have (on average 4.849056603773585) internal successors, (257), 52 states have internal predecessors, (257), 51 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2022-01-31 23:11:57,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:57,381 INFO L93 Difference]: Finished difference Result 589 states and 794 transitions. [2022-01-31 23:11:57,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-31 23:11:57,382 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 4.849056603773585) internal successors, (257), 52 states have internal predecessors, (257), 51 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Word has length 455 [2022-01-31 23:11:57,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:57,384 INFO L225 Difference]: With dead ends: 589 [2022-01-31 23:11:57,384 INFO L226 Difference]: Without dead ends: 577 [2022-01-31 23:11:57,385 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1381, Invalid=1481, Unknown=0, NotChecked=0, Total=2862 [2022-01-31 23:11:57,385 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 946 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:57,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [997 Valid, 472 Invalid, 1177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-31 23:11:57,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2022-01-31 23:11:57,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 322. [2022-01-31 23:11:57,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 265 states have (on average 1.2) internal successors, (318), 265 states have internal predecessors, (318), 53 states have call successors, (53), 4 states have call predecessors, (53), 3 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-01-31 23:11:57,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 423 transitions. [2022-01-31 23:11:57,396 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 423 transitions. Word has length 455 [2022-01-31 23:11:57,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:57,397 INFO L470 AbstractCegarLoop]: Abstraction has 322 states and 423 transitions. [2022-01-31 23:11:57,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 4.849056603773585) internal successors, (257), 52 states have internal predecessors, (257), 51 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2022-01-31 23:11:57,397 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 423 transitions. [2022-01-31 23:11:57,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2022-01-31 23:11:57,400 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:57,400 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 50, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:57,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-01-31 23:11:57,400 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:57,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:57,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1717359396, now seen corresponding path program 50 times [2022-01-31 23:11:57,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:57,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958214579] [2022-01-31 23:11:57,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:57,406 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:57,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:57,425 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:11:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:11:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:11:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:11:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:11:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:11:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:11:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:11:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:11:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:11:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:11:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:11:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:11:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:11:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:11:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:11:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:11:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:11:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:11:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:11:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:11:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:11:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:11:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:11:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:11:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:11:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:11:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:11:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:11:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:11:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:11:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:11:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:11:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:11:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:11:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:11:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:11:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:11:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:11:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:11:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:11:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:11:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:11:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:11:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:11:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:11:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:11:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:11:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:11:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:11:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:11:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:11:58,683 INFO L134 CoverageAnalysis]: Checked inductivity of 3675 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3675 trivial. 0 not checked. [2022-01-31 23:11:58,683 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:11:58,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [958214579] [2022-01-31 23:11:58,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [958214579] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:11:58,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:11:58,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [54] imperfect sequences [] total 54 [2022-01-31 23:11:58,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681500351] [2022-01-31 23:11:58,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:11:58,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-01-31 23:11:58,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:11:58,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-01-31 23:11:58,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1380, Invalid=1482, Unknown=0, NotChecked=0, Total=2862 [2022-01-31 23:11:58,686 INFO L87 Difference]: Start difference. First operand 322 states and 423 transitions. Second operand has 54 states, 54 states have (on average 4.851851851851852) internal successors, (262), 53 states have internal predecessors, (262), 52 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-01-31 23:11:59,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:11:59,526 INFO L93 Difference]: Finished difference Result 600 states and 809 transitions. [2022-01-31 23:11:59,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-31 23:11:59,526 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 4.851851851851852) internal successors, (262), 53 states have internal predecessors, (262), 52 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) Word has length 464 [2022-01-31 23:11:59,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:11:59,529 INFO L225 Difference]: With dead ends: 600 [2022-01-31 23:11:59,529 INFO L226 Difference]: Without dead ends: 588 [2022-01-31 23:11:59,529 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1434, Invalid=1536, Unknown=0, NotChecked=0, Total=2970 [2022-01-31 23:11:59,529 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 952 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1004 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-31 23:11:59,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1004 Valid, 476 Invalid, 1201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-31 23:11:59,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2022-01-31 23:11:59,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 328. [2022-01-31 23:11:59,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 270 states have (on average 1.2) internal successors, (324), 270 states have internal predecessors, (324), 54 states have call successors, (54), 4 states have call predecessors, (54), 3 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2022-01-31 23:11:59,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 431 transitions. [2022-01-31 23:11:59,542 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 431 transitions. Word has length 464 [2022-01-31 23:11:59,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:11:59,542 INFO L470 AbstractCegarLoop]: Abstraction has 328 states and 431 transitions. [2022-01-31 23:11:59,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 4.851851851851852) internal successors, (262), 53 states have internal predecessors, (262), 52 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-01-31 23:11:59,543 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 431 transitions. [2022-01-31 23:11:59,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-01-31 23:11:59,545 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:11:59,545 INFO L514 BasicCegarLoop]: trace histogram [51, 51, 51, 51, 51, 51, 51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:11:59,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-01-31 23:11:59,546 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:11:59,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:11:59,546 INFO L85 PathProgramCache]: Analyzing trace with hash -778714718, now seen corresponding path program 51 times [2022-01-31 23:11:59,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:11:59,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1579468127] [2022-01-31 23:11:59,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:11:59,551 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:11:59,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:11:59,570 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:11:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:00,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3825 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3825 trivial. 0 not checked. [2022-01-31 23:12:00,826 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:00,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1579468127] [2022-01-31 23:12:00,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1579468127] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:00,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:00,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [55] imperfect sequences [] total 55 [2022-01-31 23:12:00,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677720256] [2022-01-31 23:12:00,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:00,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-01-31 23:12:00,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:00,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-01-31 23:12:00,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1433, Invalid=1537, Unknown=0, NotChecked=0, Total=2970 [2022-01-31 23:12:00,829 INFO L87 Difference]: Start difference. First operand 328 states and 431 transitions. Second operand has 55 states, 55 states have (on average 4.8545454545454545) internal successors, (267), 54 states have internal predecessors, (267), 53 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-01-31 23:12:01,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:01,877 INFO L93 Difference]: Finished difference Result 611 states and 824 transitions. [2022-01-31 23:12:01,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-31 23:12:01,877 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 55 states have (on average 4.8545454545454545) internal successors, (267), 54 states have internal predecessors, (267), 53 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Word has length 473 [2022-01-31 23:12:01,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:01,880 INFO L225 Difference]: With dead ends: 611 [2022-01-31 23:12:01,880 INFO L226 Difference]: Without dead ends: 599 [2022-01-31 23:12:01,880 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1488, Invalid=1592, Unknown=0, NotChecked=0, Total=3080 [2022-01-31 23:12:01,881 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 998 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 465 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1051 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 465 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:01,881 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1051 Valid, 507 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [465 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 23:12:01,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2022-01-31 23:12:01,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 334. [2022-01-31 23:12:01,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 275 states have (on average 1.2) internal successors, (330), 275 states have internal predecessors, (330), 55 states have call successors, (55), 4 states have call predecessors, (55), 3 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-01-31 23:12:01,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 439 transitions. [2022-01-31 23:12:01,892 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 439 transitions. Word has length 473 [2022-01-31 23:12:01,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:01,893 INFO L470 AbstractCegarLoop]: Abstraction has 334 states and 439 transitions. [2022-01-31 23:12:01,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 4.8545454545454545) internal successors, (267), 54 states have internal predecessors, (267), 53 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-01-31 23:12:01,893 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 439 transitions. [2022-01-31 23:12:01,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-01-31 23:12:01,896 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:01,896 INFO L514 BasicCegarLoop]: trace histogram [52, 52, 52, 52, 52, 52, 52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:01,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-01-31 23:12:01,896 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:01,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:01,897 INFO L85 PathProgramCache]: Analyzing trace with hash 145637604, now seen corresponding path program 52 times [2022-01-31 23:12:01,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:01,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1922628517] [2022-01-31 23:12:01,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:01,903 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:01,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:01,923 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:03,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3978 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3978 trivial. 0 not checked. [2022-01-31 23:12:03,241 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:03,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1922628517] [2022-01-31 23:12:03,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1922628517] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:03,241 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:03,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [56] imperfect sequences [] total 56 [2022-01-31 23:12:03,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468961097] [2022-01-31 23:12:03,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:03,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-01-31 23:12:03,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:03,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-01-31 23:12:03,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1487, Invalid=1593, Unknown=0, NotChecked=0, Total=3080 [2022-01-31 23:12:03,244 INFO L87 Difference]: Start difference. First operand 334 states and 439 transitions. Second operand has 56 states, 56 states have (on average 4.857142857142857) internal successors, (272), 55 states have internal predecessors, (272), 54 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2022-01-31 23:12:04,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:04,152 INFO L93 Difference]: Finished difference Result 622 states and 839 transitions. [2022-01-31 23:12:04,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-31 23:12:04,152 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 56 states have (on average 4.857142857142857) internal successors, (272), 55 states have internal predecessors, (272), 54 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Word has length 482 [2022-01-31 23:12:04,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:04,155 INFO L225 Difference]: With dead ends: 622 [2022-01-31 23:12:04,155 INFO L226 Difference]: Without dead ends: 610 [2022-01-31 23:12:04,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1543, Invalid=1649, Unknown=0, NotChecked=0, Total=3192 [2022-01-31 23:12:04,156 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 1036 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 481 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1090 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 481 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:04,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1090 Valid, 491 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [481 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 23:12:04,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2022-01-31 23:12:04,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 340. [2022-01-31 23:12:04,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 280 states have (on average 1.2) internal successors, (336), 280 states have internal predecessors, (336), 56 states have call successors, (56), 4 states have call predecessors, (56), 3 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2022-01-31 23:12:04,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 447 transitions. [2022-01-31 23:12:04,168 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 447 transitions. Word has length 482 [2022-01-31 23:12:04,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:04,168 INFO L470 AbstractCegarLoop]: Abstraction has 340 states and 447 transitions. [2022-01-31 23:12:04,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 4.857142857142857) internal successors, (272), 55 states have internal predecessors, (272), 54 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2022-01-31 23:12:04,169 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 447 transitions. [2022-01-31 23:12:04,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2022-01-31 23:12:04,171 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:04,171 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 53, 53, 53, 53, 53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:04,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-01-31 23:12:04,172 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:04,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:04,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1230779422, now seen corresponding path program 53 times [2022-01-31 23:12:04,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:04,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [355142464] [2022-01-31 23:12:04,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:04,177 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:04,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:04,195 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:12:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:05,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4134 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4134 trivial. 0 not checked. [2022-01-31 23:12:05,550 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:05,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [355142464] [2022-01-31 23:12:05,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [355142464] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:05,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:05,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [57] imperfect sequences [] total 57 [2022-01-31 23:12:05,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448899496] [2022-01-31 23:12:05,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:05,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-01-31 23:12:05,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:05,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-01-31 23:12:05,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1542, Invalid=1650, Unknown=0, NotChecked=0, Total=3192 [2022-01-31 23:12:05,553 INFO L87 Difference]: Start difference. First operand 340 states and 447 transitions. Second operand has 57 states, 57 states have (on average 4.859649122807017) internal successors, (277), 56 states have internal predecessors, (277), 55 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-01-31 23:12:06,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:06,448 INFO L93 Difference]: Finished difference Result 633 states and 854 transitions. [2022-01-31 23:12:06,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-31 23:12:06,448 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 4.859649122807017) internal successors, (277), 56 states have internal predecessors, (277), 55 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Word has length 491 [2022-01-31 23:12:06,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:06,451 INFO L225 Difference]: With dead ends: 633 [2022-01-31 23:12:06,451 INFO L226 Difference]: Without dead ends: 621 [2022-01-31 23:12:06,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1599, Invalid=1707, Unknown=0, NotChecked=0, Total=3306 [2022-01-31 23:12:06,451 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 1109 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1164 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 1353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 516 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:06,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1164 Valid, 509 Invalid, 1353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [516 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 23:12:06,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2022-01-31 23:12:06,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 346. [2022-01-31 23:12:06,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 285 states have (on average 1.2) internal successors, (342), 285 states have internal predecessors, (342), 57 states have call successors, (57), 4 states have call predecessors, (57), 3 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-01-31 23:12:06,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 455 transitions. [2022-01-31 23:12:06,466 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 455 transitions. Word has length 491 [2022-01-31 23:12:06,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:06,466 INFO L470 AbstractCegarLoop]: Abstraction has 346 states and 455 transitions. [2022-01-31 23:12:06,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 4.859649122807017) internal successors, (277), 56 states have internal predecessors, (277), 55 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-01-31 23:12:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 455 transitions. [2022-01-31 23:12:06,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-01-31 23:12:06,469 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:06,469 INFO L514 BasicCegarLoop]: trace histogram [54, 54, 54, 54, 54, 54, 54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:06,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-01-31 23:12:06,470 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:06,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:06,470 INFO L85 PathProgramCache]: Analyzing trace with hash -467157340, now seen corresponding path program 54 times [2022-01-31 23:12:06,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:06,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [841239433] [2022-01-31 23:12:06,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:06,477 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:06,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:06,502 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:12:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:12:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:07,950 INFO L134 CoverageAnalysis]: Checked inductivity of 4293 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4293 trivial. 0 not checked. [2022-01-31 23:12:07,950 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:07,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [841239433] [2022-01-31 23:12:07,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [841239433] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:07,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:07,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [58] imperfect sequences [] total 58 [2022-01-31 23:12:07,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402060503] [2022-01-31 23:12:07,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:07,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-01-31 23:12:07,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:07,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-01-31 23:12:07,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1598, Invalid=1708, Unknown=0, NotChecked=0, Total=3306 [2022-01-31 23:12:07,953 INFO L87 Difference]: Start difference. First operand 346 states and 455 transitions. Second operand has 58 states, 58 states have (on average 4.862068965517241) internal successors, (282), 57 states have internal predecessors, (282), 56 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2022-01-31 23:12:08,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:08,908 INFO L93 Difference]: Finished difference Result 644 states and 869 transitions. [2022-01-31 23:12:08,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-31 23:12:08,908 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 58 states have (on average 4.862068965517241) internal successors, (282), 57 states have internal predecessors, (282), 56 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) Word has length 500 [2022-01-31 23:12:08,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:08,910 INFO L225 Difference]: With dead ends: 644 [2022-01-31 23:12:08,910 INFO L226 Difference]: Without dead ends: 632 [2022-01-31 23:12:08,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1656, Invalid=1766, Unknown=0, NotChecked=0, Total=3422 [2022-01-31 23:12:08,911 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 1222 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1278 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 570 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:08,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1278 Valid, 528 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [570 Valid, 990 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 23:12:08,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2022-01-31 23:12:08,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 352. [2022-01-31 23:12:08,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 290 states have (on average 1.2) internal successors, (348), 290 states have internal predecessors, (348), 58 states have call successors, (58), 4 states have call predecessors, (58), 3 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2022-01-31 23:12:08,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 463 transitions. [2022-01-31 23:12:08,922 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 463 transitions. Word has length 500 [2022-01-31 23:12:08,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:08,923 INFO L470 AbstractCegarLoop]: Abstraction has 352 states and 463 transitions. [2022-01-31 23:12:08,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 4.862068965517241) internal successors, (282), 57 states have internal predecessors, (282), 56 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2022-01-31 23:12:08,923 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 463 transitions. [2022-01-31 23:12:08,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2022-01-31 23:12:08,926 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:08,926 INFO L514 BasicCegarLoop]: trace histogram [55, 55, 55, 55, 55, 55, 55, 55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:08,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-01-31 23:12:08,926 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:08,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:08,926 INFO L85 PathProgramCache]: Analyzing trace with hash -962869726, now seen corresponding path program 55 times [2022-01-31 23:12:08,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:08,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1142512679] [2022-01-31 23:12:08,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:08,931 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:08,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:08,955 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:12:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:12:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:12:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:10,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4455 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4455 trivial. 0 not checked. [2022-01-31 23:12:10,374 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:10,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1142512679] [2022-01-31 23:12:10,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1142512679] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:10,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:10,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [59] imperfect sequences [] total 59 [2022-01-31 23:12:10,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225694699] [2022-01-31 23:12:10,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:10,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2022-01-31 23:12:10,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:10,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2022-01-31 23:12:10,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1655, Invalid=1767, Unknown=0, NotChecked=0, Total=3422 [2022-01-31 23:12:10,376 INFO L87 Difference]: Start difference. First operand 352 states and 463 transitions. Second operand has 59 states, 59 states have (on average 4.864406779661017) internal successors, (287), 58 states have internal predecessors, (287), 57 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-01-31 23:12:11,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:11,386 INFO L93 Difference]: Finished difference Result 655 states and 884 transitions. [2022-01-31 23:12:11,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-31 23:12:11,386 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 59 states have (on average 4.864406779661017) internal successors, (287), 58 states have internal predecessors, (287), 57 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Word has length 509 [2022-01-31 23:12:11,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:11,389 INFO L225 Difference]: With dead ends: 655 [2022-01-31 23:12:11,389 INFO L226 Difference]: Without dead ends: 643 [2022-01-31 23:12:11,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1714, Invalid=1826, Unknown=0, NotChecked=0, Total=3540 [2022-01-31 23:12:11,390 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 1017 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 1397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:11,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1074 Valid, 549 Invalid, 1397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 23:12:11,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2022-01-31 23:12:11,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 358. [2022-01-31 23:12:11,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 295 states have (on average 1.2) internal successors, (354), 295 states have internal predecessors, (354), 59 states have call successors, (59), 4 states have call predecessors, (59), 3 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-01-31 23:12:11,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 471 transitions. [2022-01-31 23:12:11,404 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 471 transitions. Word has length 509 [2022-01-31 23:12:11,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:11,405 INFO L470 AbstractCegarLoop]: Abstraction has 358 states and 471 transitions. [2022-01-31 23:12:11,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 4.864406779661017) internal successors, (287), 58 states have internal predecessors, (287), 57 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-01-31 23:12:11,405 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 471 transitions. [2022-01-31 23:12:11,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2022-01-31 23:12:11,408 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:11,408 INFO L514 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:11,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-01-31 23:12:11,408 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:11,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:11,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1528476572, now seen corresponding path program 56 times [2022-01-31 23:12:11,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:11,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1113330782] [2022-01-31 23:12:11,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:11,413 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:11,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:11,438 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:12:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:12:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:12:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:12:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:12,950 INFO L134 CoverageAnalysis]: Checked inductivity of 4620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4620 trivial. 0 not checked. [2022-01-31 23:12:12,950 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:12,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1113330782] [2022-01-31 23:12:12,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1113330782] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:12,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:12,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [60] imperfect sequences [] total 60 [2022-01-31 23:12:12,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995375822] [2022-01-31 23:12:12,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:12,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-01-31 23:12:12,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:12,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-01-31 23:12:12,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1713, Invalid=1827, Unknown=0, NotChecked=0, Total=3540 [2022-01-31 23:12:12,952 INFO L87 Difference]: Start difference. First operand 358 states and 471 transitions. Second operand has 60 states, 60 states have (on average 4.866666666666666) internal successors, (292), 59 states have internal predecessors, (292), 58 states have call successors, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2022-01-31 23:12:13,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:13,902 INFO L93 Difference]: Finished difference Result 666 states and 899 transitions. [2022-01-31 23:12:13,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-31 23:12:13,903 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 60 states have (on average 4.866666666666666) internal successors, (292), 59 states have internal predecessors, (292), 58 states have call successors, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Word has length 518 [2022-01-31 23:12:13,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:13,905 INFO L225 Difference]: With dead ends: 666 [2022-01-31 23:12:13,905 INFO L226 Difference]: Without dead ends: 654 [2022-01-31 23:12:13,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1773, Invalid=1887, Unknown=0, NotChecked=0, Total=3660 [2022-01-31 23:12:13,906 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 1063 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1121 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 1395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 487 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:13,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1121 Valid, 532 Invalid, 1395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [487 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 23:12:13,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2022-01-31 23:12:13,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 364. [2022-01-31 23:12:13,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 300 states have (on average 1.2) internal successors, (360), 300 states have internal predecessors, (360), 60 states have call successors, (60), 4 states have call predecessors, (60), 3 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2022-01-31 23:12:13,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 479 transitions. [2022-01-31 23:12:13,917 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 479 transitions. Word has length 518 [2022-01-31 23:12:13,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:13,918 INFO L470 AbstractCegarLoop]: Abstraction has 364 states and 479 transitions. [2022-01-31 23:12:13,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 4.866666666666666) internal successors, (292), 59 states have internal predecessors, (292), 58 states have call successors, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2022-01-31 23:12:13,918 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 479 transitions. [2022-01-31 23:12:13,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2022-01-31 23:12:13,921 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:13,921 INFO L514 BasicCegarLoop]: trace histogram [57, 57, 57, 57, 57, 57, 57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:13,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-01-31 23:12:13,921 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:13,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:13,922 INFO L85 PathProgramCache]: Analyzing trace with hash 887205986, now seen corresponding path program 57 times [2022-01-31 23:12:13,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:13,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1804884178] [2022-01-31 23:12:13,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:13,927 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:13,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:13,957 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:12:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:12:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:12:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:12:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:12:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:15,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4788 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4788 trivial. 0 not checked. [2022-01-31 23:12:15,503 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:15,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1804884178] [2022-01-31 23:12:15,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1804884178] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:15,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:15,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [61] imperfect sequences [] total 61 [2022-01-31 23:12:15,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013298764] [2022-01-31 23:12:15,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:15,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-01-31 23:12:15,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:15,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-01-31 23:12:15,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1772, Invalid=1888, Unknown=0, NotChecked=0, Total=3660 [2022-01-31 23:12:15,506 INFO L87 Difference]: Start difference. First operand 364 states and 479 transitions. Second operand has 61 states, 61 states have (on average 4.868852459016393) internal successors, (297), 60 states have internal predecessors, (297), 59 states have call successors, (60), 3 states have call predecessors, (60), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-01-31 23:12:16,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:16,475 INFO L93 Difference]: Finished difference Result 677 states and 914 transitions. [2022-01-31 23:12:16,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-31 23:12:16,475 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 61 states have (on average 4.868852459016393) internal successors, (297), 60 states have internal predecessors, (297), 59 states have call successors, (60), 3 states have call predecessors, (60), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) Word has length 527 [2022-01-31 23:12:16,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:16,478 INFO L225 Difference]: With dead ends: 677 [2022-01-31 23:12:16,478 INFO L226 Difference]: Without dead ends: 665 [2022-01-31 23:12:16,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1833, Invalid=1949, Unknown=0, NotChecked=0, Total=3782 [2022-01-31 23:12:16,479 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 1356 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 637 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1415 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 637 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:16,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1415 Valid, 535 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [637 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 23:12:16,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-01-31 23:12:16,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 370. [2022-01-31 23:12:16,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 305 states have (on average 1.2) internal successors, (366), 305 states have internal predecessors, (366), 61 states have call successors, (61), 4 states have call predecessors, (61), 3 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2022-01-31 23:12:16,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 487 transitions. [2022-01-31 23:12:16,491 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 487 transitions. Word has length 527 [2022-01-31 23:12:16,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:16,491 INFO L470 AbstractCegarLoop]: Abstraction has 370 states and 487 transitions. [2022-01-31 23:12:16,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 4.868852459016393) internal successors, (297), 60 states have internal predecessors, (297), 59 states have call successors, (60), 3 states have call predecessors, (60), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-01-31 23:12:16,491 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 487 transitions. [2022-01-31 23:12:16,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2022-01-31 23:12:16,494 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:16,495 INFO L514 BasicCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:16,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-01-31 23:12:16,495 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:16,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:16,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1476203996, now seen corresponding path program 58 times [2022-01-31 23:12:16,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:16,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1021610846] [2022-01-31 23:12:16,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:16,499 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:16,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:16,527 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:17,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:12:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:12:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:12:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:12:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:12:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:12:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:18,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4959 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4959 trivial. 0 not checked. [2022-01-31 23:12:18,092 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:18,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1021610846] [2022-01-31 23:12:18,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1021610846] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:18,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:18,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [62] imperfect sequences [] total 62 [2022-01-31 23:12:18,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104469229] [2022-01-31 23:12:18,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:18,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-01-31 23:12:18,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:18,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-01-31 23:12:18,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1832, Invalid=1950, Unknown=0, NotChecked=0, Total=3782 [2022-01-31 23:12:18,095 INFO L87 Difference]: Start difference. First operand 370 states and 487 transitions. Second operand has 62 states, 62 states have (on average 4.870967741935484) internal successors, (302), 61 states have internal predecessors, (302), 60 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2022-01-31 23:12:19,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:19,168 INFO L93 Difference]: Finished difference Result 688 states and 929 transitions. [2022-01-31 23:12:19,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-01-31 23:12:19,169 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 62 states have (on average 4.870967741935484) internal successors, (302), 61 states have internal predecessors, (302), 60 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Word has length 536 [2022-01-31 23:12:19,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:19,171 INFO L225 Difference]: With dead ends: 688 [2022-01-31 23:12:19,171 INFO L226 Difference]: Without dead ends: 676 [2022-01-31 23:12:19,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1894, Invalid=2012, Unknown=0, NotChecked=0, Total=3906 [2022-01-31 23:12:19,172 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 1084 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1144 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 1656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 498 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:19,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1144 Valid, 563 Invalid, 1656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [498 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-31 23:12:19,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2022-01-31 23:12:19,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 376. [2022-01-31 23:12:19,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 310 states have (on average 1.2) internal successors, (372), 310 states have internal predecessors, (372), 62 states have call successors, (62), 4 states have call predecessors, (62), 3 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2022-01-31 23:12:19,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 495 transitions. [2022-01-31 23:12:19,184 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 495 transitions. Word has length 536 [2022-01-31 23:12:19,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:19,184 INFO L470 AbstractCegarLoop]: Abstraction has 376 states and 495 transitions. [2022-01-31 23:12:19,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 4.870967741935484) internal successors, (302), 61 states have internal predecessors, (302), 60 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2022-01-31 23:12:19,185 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 495 transitions. [2022-01-31 23:12:19,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2022-01-31 23:12:19,188 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:19,188 INFO L514 BasicCegarLoop]: trace histogram [59, 59, 59, 59, 59, 59, 59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:19,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-01-31 23:12:19,188 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:19,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:19,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1546024286, now seen corresponding path program 59 times [2022-01-31 23:12:19,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:19,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [174593883] [2022-01-31 23:12:19,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:19,193 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:19,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:19,222 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:12:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:12:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:12:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:12:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:12:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:12:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:12:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:20,830 INFO L134 CoverageAnalysis]: Checked inductivity of 5133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5133 trivial. 0 not checked. [2022-01-31 23:12:20,830 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:20,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [174593883] [2022-01-31 23:12:20,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [174593883] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:20,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:20,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2022-01-31 23:12:20,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508158870] [2022-01-31 23:12:20,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:20,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-01-31 23:12:20,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:20,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-01-31 23:12:20,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1893, Invalid=2013, Unknown=0, NotChecked=0, Total=3906 [2022-01-31 23:12:20,833 INFO L87 Difference]: Start difference. First operand 376 states and 495 transitions. Second operand has 63 states, 63 states have (on average 4.873015873015873) internal successors, (307), 62 states have internal predecessors, (307), 61 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2022-01-31 23:12:21,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:21,903 INFO L93 Difference]: Finished difference Result 699 states and 944 transitions. [2022-01-31 23:12:21,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-01-31 23:12:21,904 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 4.873015873015873) internal successors, (307), 62 states have internal predecessors, (307), 61 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) Word has length 545 [2022-01-31 23:12:21,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:21,906 INFO L225 Difference]: With dead ends: 699 [2022-01-31 23:12:21,906 INFO L226 Difference]: Without dead ends: 687 [2022-01-31 23:12:21,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1956, Invalid=2076, Unknown=0, NotChecked=0, Total=4032 [2022-01-31 23:12:21,907 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 1350 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 627 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1411 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 1476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 627 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:21,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1411 Valid, 560 Invalid, 1476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [627 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 23:12:21,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2022-01-31 23:12:21,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 382. [2022-01-31 23:12:21,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 315 states have (on average 1.2) internal successors, (378), 315 states have internal predecessors, (378), 63 states have call successors, (63), 4 states have call predecessors, (63), 3 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2022-01-31 23:12:21,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 503 transitions. [2022-01-31 23:12:21,920 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 503 transitions. Word has length 545 [2022-01-31 23:12:21,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:21,920 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 503 transitions. [2022-01-31 23:12:21,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 4.873015873015873) internal successors, (307), 62 states have internal predecessors, (307), 61 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2022-01-31 23:12:21,921 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 503 transitions. [2022-01-31 23:12:21,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2022-01-31 23:12:21,924 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:21,924 INFO L514 BasicCegarLoop]: trace histogram [60, 60, 60, 60, 60, 60, 60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:21,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-01-31 23:12:21,924 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:21,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:21,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1147365404, now seen corresponding path program 60 times [2022-01-31 23:12:21,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:21,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1161863291] [2022-01-31 23:12:21,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:21,929 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:21,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:21,950 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:12:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:12:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:12:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:12:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:12:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:12:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:12:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:12:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:23,544 INFO L134 CoverageAnalysis]: Checked inductivity of 5310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5310 trivial. 0 not checked. [2022-01-31 23:12:23,544 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:23,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1161863291] [2022-01-31 23:12:23,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1161863291] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:23,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:23,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [64] imperfect sequences [] total 64 [2022-01-31 23:12:23,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868532432] [2022-01-31 23:12:23,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:23,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2022-01-31 23:12:23,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:23,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2022-01-31 23:12:23,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1955, Invalid=2077, Unknown=0, NotChecked=0, Total=4032 [2022-01-31 23:12:23,546 INFO L87 Difference]: Start difference. First operand 382 states and 503 transitions. Second operand has 64 states, 64 states have (on average 4.875) internal successors, (312), 63 states have internal predecessors, (312), 62 states have call successors, (63), 3 states have call predecessors, (63), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2022-01-31 23:12:24,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:24,606 INFO L93 Difference]: Finished difference Result 710 states and 959 transitions. [2022-01-31 23:12:24,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-01-31 23:12:24,606 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 64 states have (on average 4.875) internal successors, (312), 63 states have internal predecessors, (312), 62 states have call successors, (63), 3 states have call predecessors, (63), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) Word has length 554 [2022-01-31 23:12:24,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:24,609 INFO L225 Difference]: With dead ends: 710 [2022-01-31 23:12:24,609 INFO L226 Difference]: Without dead ends: 698 [2022-01-31 23:12:24,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=2019, Invalid=2141, Unknown=0, NotChecked=0, Total=4160 [2022-01-31 23:12:24,610 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 1239 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1301 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 1566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 570 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:24,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1301 Valid, 562 Invalid, 1566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [570 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 23:12:24,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2022-01-31 23:12:24,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 388. [2022-01-31 23:12:24,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 320 states have (on average 1.2) internal successors, (384), 320 states have internal predecessors, (384), 64 states have call successors, (64), 4 states have call predecessors, (64), 3 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2022-01-31 23:12:24,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 511 transitions. [2022-01-31 23:12:24,623 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 511 transitions. Word has length 554 [2022-01-31 23:12:24,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:24,623 INFO L470 AbstractCegarLoop]: Abstraction has 388 states and 511 transitions. [2022-01-31 23:12:24,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 4.875) internal successors, (312), 63 states have internal predecessors, (312), 62 states have call successors, (63), 3 states have call predecessors, (63), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2022-01-31 23:12:24,624 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 511 transitions. [2022-01-31 23:12:24,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2022-01-31 23:12:24,627 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:24,627 INFO L514 BasicCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:24,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-01-31 23:12:24,627 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:24,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:24,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1692882146, now seen corresponding path program 61 times [2022-01-31 23:12:24,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:24,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [564204652] [2022-01-31 23:12:24,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:24,632 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:24,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:24,662 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:12:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:12:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:12:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:12:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:12:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:12:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:12:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:12:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:12:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:26,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5490 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5490 trivial. 0 not checked. [2022-01-31 23:12:26,452 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:26,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [564204652] [2022-01-31 23:12:26,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [564204652] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:26,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:26,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [65] imperfect sequences [] total 65 [2022-01-31 23:12:26,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246538456] [2022-01-31 23:12:26,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:26,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-01-31 23:12:26,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:26,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-01-31 23:12:26,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2018, Invalid=2142, Unknown=0, NotChecked=0, Total=4160 [2022-01-31 23:12:26,454 INFO L87 Difference]: Start difference. First operand 388 states and 511 transitions. Second operand has 65 states, 65 states have (on average 4.876923076923077) internal successors, (317), 64 states have internal predecessors, (317), 63 states have call successors, (64), 3 states have call predecessors, (64), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2022-01-31 23:12:27,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:27,526 INFO L93 Difference]: Finished difference Result 721 states and 974 transitions. [2022-01-31 23:12:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-01-31 23:12:27,527 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 65 states have (on average 4.876923076923077) internal successors, (317), 64 states have internal predecessors, (317), 63 states have call successors, (64), 3 states have call predecessors, (64), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) Word has length 563 [2022-01-31 23:12:27,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:27,529 INFO L225 Difference]: With dead ends: 721 [2022-01-31 23:12:27,529 INFO L226 Difference]: Without dead ends: 709 [2022-01-31 23:12:27,529 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=2083, Invalid=2207, Unknown=0, NotChecked=0, Total=4290 [2022-01-31 23:12:27,530 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 1332 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 614 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1395 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 1587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 614 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:27,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1395 Valid, 586 Invalid, 1587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [614 Valid, 973 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-31 23:12:27,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2022-01-31 23:12:27,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 394. [2022-01-31 23:12:27,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 325 states have (on average 1.2) internal successors, (390), 325 states have internal predecessors, (390), 65 states have call successors, (65), 4 states have call predecessors, (65), 3 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2022-01-31 23:12:27,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 519 transitions. [2022-01-31 23:12:27,540 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 519 transitions. Word has length 563 [2022-01-31 23:12:27,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:27,541 INFO L470 AbstractCegarLoop]: Abstraction has 394 states and 519 transitions. [2022-01-31 23:12:27,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 4.876923076923077) internal successors, (317), 64 states have internal predecessors, (317), 63 states have call successors, (64), 3 states have call predecessors, (64), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2022-01-31 23:12:27,541 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 519 transitions. [2022-01-31 23:12:27,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2022-01-31 23:12:27,544 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:27,544 INFO L514 BasicCegarLoop]: trace histogram [62, 62, 62, 62, 62, 62, 62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:27,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-01-31 23:12:27,544 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:27,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:27,545 INFO L85 PathProgramCache]: Analyzing trace with hash -556903004, now seen corresponding path program 62 times [2022-01-31 23:12:27,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:27,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545001366] [2022-01-31 23:12:27,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:27,549 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:27,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:27,572 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:12:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:12:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:12:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:12:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:12:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:12:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:12:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:12:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:12:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:12:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:29,346 INFO L134 CoverageAnalysis]: Checked inductivity of 5673 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-01-31 23:12:29,347 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:29,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545001366] [2022-01-31 23:12:29,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1545001366] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:29,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:29,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [66] imperfect sequences [] total 66 [2022-01-31 23:12:29,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607502669] [2022-01-31 23:12:29,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:29,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-01-31 23:12:29,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:29,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-01-31 23:12:29,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2082, Invalid=2208, Unknown=0, NotChecked=0, Total=4290 [2022-01-31 23:12:29,350 INFO L87 Difference]: Start difference. First operand 394 states and 519 transitions. Second operand has 66 states, 66 states have (on average 4.878787878787879) internal successors, (322), 65 states have internal predecessors, (322), 64 states have call successors, (65), 3 states have call predecessors, (65), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2022-01-31 23:12:30,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:30,518 INFO L93 Difference]: Finished difference Result 732 states and 989 transitions. [2022-01-31 23:12:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-01-31 23:12:30,518 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 4.878787878787879) internal successors, (322), 65 states have internal predecessors, (322), 64 states have call successors, (65), 3 states have call predecessors, (65), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) Word has length 572 [2022-01-31 23:12:30,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:30,522 INFO L225 Difference]: With dead ends: 732 [2022-01-31 23:12:30,522 INFO L226 Difference]: Without dead ends: 720 [2022-01-31 23:12:30,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=2148, Invalid=2274, Unknown=0, NotChecked=0, Total=4422 [2022-01-31 23:12:30,523 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 1170 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1234 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 1576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 534 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:30,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1234 Valid, 596 Invalid, 1576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [534 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-31 23:12:30,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2022-01-31 23:12:30,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 400. [2022-01-31 23:12:30,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 330 states have (on average 1.2) internal successors, (396), 330 states have internal predecessors, (396), 66 states have call successors, (66), 4 states have call predecessors, (66), 3 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2022-01-31 23:12:30,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 527 transitions. [2022-01-31 23:12:30,545 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 527 transitions. Word has length 572 [2022-01-31 23:12:30,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:30,546 INFO L470 AbstractCegarLoop]: Abstraction has 400 states and 527 transitions. [2022-01-31 23:12:30,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 4.878787878787879) internal successors, (322), 65 states have internal predecessors, (322), 64 states have call successors, (65), 3 states have call predecessors, (65), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2022-01-31 23:12:30,546 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 527 transitions. [2022-01-31 23:12:30,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2022-01-31 23:12:30,550 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:30,551 INFO L514 BasicCegarLoop]: trace histogram [63, 63, 63, 63, 63, 63, 63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:30,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-01-31 23:12:30,551 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:30,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:30,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1200681182, now seen corresponding path program 63 times [2022-01-31 23:12:30,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:30,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489103449] [2022-01-31 23:12:30,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:30,563 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:30,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:30,599 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:12:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:12:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:12:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:12:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:12:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:12:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:12:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:12:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:12:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:12:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:12:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:32,464 INFO L134 CoverageAnalysis]: Checked inductivity of 5859 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5859 trivial. 0 not checked. [2022-01-31 23:12:32,464 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:32,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489103449] [2022-01-31 23:12:32,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1489103449] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:32,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:32,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [67] imperfect sequences [] total 67 [2022-01-31 23:12:32,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916145473] [2022-01-31 23:12:32,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:32,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-01-31 23:12:32,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:32,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-01-31 23:12:32,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2147, Invalid=2275, Unknown=0, NotChecked=0, Total=4422 [2022-01-31 23:12:32,467 INFO L87 Difference]: Start difference. First operand 400 states and 527 transitions. Second operand has 67 states, 67 states have (on average 4.880597014925373) internal successors, (327), 66 states have internal predecessors, (327), 65 states have call successors, (66), 3 states have call predecessors, (66), 1 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2022-01-31 23:12:33,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:33,678 INFO L93 Difference]: Finished difference Result 743 states and 1004 transitions. [2022-01-31 23:12:33,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-01-31 23:12:33,678 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 4.880597014925373) internal successors, (327), 66 states have internal predecessors, (327), 65 states have call successors, (66), 3 states have call predecessors, (66), 1 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) Word has length 581 [2022-01-31 23:12:33,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:33,681 INFO L225 Difference]: With dead ends: 743 [2022-01-31 23:12:33,681 INFO L226 Difference]: Without dead ends: 731 [2022-01-31 23:12:33,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=2214, Invalid=2342, Unknown=0, NotChecked=0, Total=4556 [2022-01-31 23:12:33,682 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 1170 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 537 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1235 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 1750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 537 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:33,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1235 Valid, 612 Invalid, 1750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [537 Valid, 1213 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-31 23:12:33,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2022-01-31 23:12:33,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 406. [2022-01-31 23:12:33,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 335 states have (on average 1.2) internal successors, (402), 335 states have internal predecessors, (402), 67 states have call successors, (67), 4 states have call predecessors, (67), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2022-01-31 23:12:33,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 535 transitions. [2022-01-31 23:12:33,695 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 535 transitions. Word has length 581 [2022-01-31 23:12:33,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:33,696 INFO L470 AbstractCegarLoop]: Abstraction has 406 states and 535 transitions. [2022-01-31 23:12:33,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 4.880597014925373) internal successors, (327), 66 states have internal predecessors, (327), 65 states have call successors, (66), 3 states have call predecessors, (66), 1 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2022-01-31 23:12:33,696 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 535 transitions. [2022-01-31 23:12:33,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2022-01-31 23:12:33,700 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:33,700 INFO L514 BasicCegarLoop]: trace histogram [64, 64, 64, 64, 64, 64, 64, 64, 64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:33,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-01-31 23:12:33,700 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:33,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:33,701 INFO L85 PathProgramCache]: Analyzing trace with hash 28582756, now seen corresponding path program 64 times [2022-01-31 23:12:33,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:33,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [35769593] [2022-01-31 23:12:33,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:33,706 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:33,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:33,736 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:12:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:12:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:12:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:12:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:12:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:12:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:12:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:12:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:12:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:12:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:12:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:12:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:35,576 INFO L134 CoverageAnalysis]: Checked inductivity of 6048 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6048 trivial. 0 not checked. [2022-01-31 23:12:35,576 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:35,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [35769593] [2022-01-31 23:12:35,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [35769593] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:35,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:35,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [68] imperfect sequences [] total 68 [2022-01-31 23:12:35,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506616771] [2022-01-31 23:12:35,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:35,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-01-31 23:12:35,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:35,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-01-31 23:12:35,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2213, Invalid=2343, Unknown=0, NotChecked=0, Total=4556 [2022-01-31 23:12:35,579 INFO L87 Difference]: Start difference. First operand 406 states and 535 transitions. Second operand has 68 states, 68 states have (on average 4.882352941176471) internal successors, (332), 67 states have internal predecessors, (332), 66 states have call successors, (67), 3 states have call predecessors, (67), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2022-01-31 23:12:36,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:36,884 INFO L93 Difference]: Finished difference Result 754 states and 1019 transitions. [2022-01-31 23:12:36,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-01-31 23:12:36,885 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 68 states have (on average 4.882352941176471) internal successors, (332), 67 states have internal predecessors, (332), 66 states have call successors, (67), 3 states have call predecessors, (67), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) Word has length 590 [2022-01-31 23:12:36,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:36,888 INFO L225 Difference]: With dead ends: 754 [2022-01-31 23:12:36,888 INFO L226 Difference]: Without dead ends: 742 [2022-01-31 23:12:36,888 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=2281, Invalid=2411, Unknown=0, NotChecked=0, Total=4692 [2022-01-31 23:12:36,888 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 1320 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 609 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1386 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 1831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 609 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:36,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1386 Valid, 621 Invalid, 1831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [609 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-31 23:12:36,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2022-01-31 23:12:36,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 412. [2022-01-31 23:12:36,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 340 states have (on average 1.2) internal successors, (408), 340 states have internal predecessors, (408), 68 states have call successors, (68), 4 states have call predecessors, (68), 3 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2022-01-31 23:12:36,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 543 transitions. [2022-01-31 23:12:36,902 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 543 transitions. Word has length 590 [2022-01-31 23:12:36,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:36,902 INFO L470 AbstractCegarLoop]: Abstraction has 412 states and 543 transitions. [2022-01-31 23:12:36,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 4.882352941176471) internal successors, (332), 67 states have internal predecessors, (332), 66 states have call successors, (67), 3 states have call predecessors, (67), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2022-01-31 23:12:36,902 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 543 transitions. [2022-01-31 23:12:36,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2022-01-31 23:12:36,906 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:36,906 INFO L514 BasicCegarLoop]: trace histogram [65, 65, 65, 65, 65, 65, 65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:36,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-01-31 23:12:36,906 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:36,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:36,907 INFO L85 PathProgramCache]: Analyzing trace with hash 232044898, now seen corresponding path program 65 times [2022-01-31 23:12:36,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:36,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144546563] [2022-01-31 23:12:36,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:36,911 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:36,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:36,944 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:12:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:12:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:12:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:12:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:12:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:12:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:12:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:12:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:12:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:12:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:12:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:12:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:12:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:38,850 INFO L134 CoverageAnalysis]: Checked inductivity of 6240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6240 trivial. 0 not checked. [2022-01-31 23:12:38,850 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:38,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [144546563] [2022-01-31 23:12:38,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [144546563] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:38,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:38,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [69] imperfect sequences [] total 69 [2022-01-31 23:12:38,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34790608] [2022-01-31 23:12:38,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:38,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2022-01-31 23:12:38,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:38,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2022-01-31 23:12:38,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2280, Invalid=2412, Unknown=0, NotChecked=0, Total=4692 [2022-01-31 23:12:38,852 INFO L87 Difference]: Start difference. First operand 412 states and 543 transitions. Second operand has 69 states, 69 states have (on average 4.884057971014493) internal successors, (337), 68 states have internal predecessors, (337), 67 states have call successors, (68), 3 states have call predecessors, (68), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2022-01-31 23:12:40,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:40,034 INFO L93 Difference]: Finished difference Result 765 states and 1034 transitions. [2022-01-31 23:12:40,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-01-31 23:12:40,034 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 69 states have (on average 4.884057971014493) internal successors, (337), 68 states have internal predecessors, (337), 67 states have call successors, (68), 3 states have call predecessors, (68), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) Word has length 599 [2022-01-31 23:12:40,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:40,037 INFO L225 Difference]: With dead ends: 765 [2022-01-31 23:12:40,037 INFO L226 Difference]: Without dead ends: 753 [2022-01-31 23:12:40,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=2349, Invalid=2481, Unknown=0, NotChecked=0, Total=4830 [2022-01-31 23:12:40,038 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 1543 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 935 mSolverCounterSat, 721 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1610 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 1656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 721 IncrementalHoareTripleChecker+Valid, 935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:40,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1610 Valid, 609 Invalid, 1656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [721 Valid, 935 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-31 23:12:40,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2022-01-31 23:12:40,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 418. [2022-01-31 23:12:40,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 345 states have (on average 1.2) internal successors, (414), 345 states have internal predecessors, (414), 69 states have call successors, (69), 4 states have call predecessors, (69), 3 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2022-01-31 23:12:40,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 551 transitions. [2022-01-31 23:12:40,052 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 551 transitions. Word has length 599 [2022-01-31 23:12:40,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:40,052 INFO L470 AbstractCegarLoop]: Abstraction has 418 states and 551 transitions. [2022-01-31 23:12:40,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 4.884057971014493) internal successors, (337), 68 states have internal predecessors, (337), 67 states have call successors, (68), 3 states have call predecessors, (68), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2022-01-31 23:12:40,053 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 551 transitions. [2022-01-31 23:12:40,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2022-01-31 23:12:40,056 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:40,056 INFO L514 BasicCegarLoop]: trace histogram [66, 66, 66, 66, 66, 66, 66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:40,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-01-31 23:12:40,057 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:40,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:40,057 INFO L85 PathProgramCache]: Analyzing trace with hash -982908636, now seen corresponding path program 66 times [2022-01-31 23:12:40,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:40,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [742971049] [2022-01-31 23:12:40,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:40,061 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:40,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:40,098 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:41,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:12:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:12:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:12:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:12:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:12:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:12:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:12:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:12:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:12:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:12:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:12:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:12:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:12:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:12:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:42,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6435 trivial. 0 not checked. [2022-01-31 23:12:42,064 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:42,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [742971049] [2022-01-31 23:12:42,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [742971049] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:42,064 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:42,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [70] imperfect sequences [] total 70 [2022-01-31 23:12:42,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569383419] [2022-01-31 23:12:42,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:42,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-01-31 23:12:42,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:42,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-01-31 23:12:42,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2348, Invalid=2482, Unknown=0, NotChecked=0, Total=4830 [2022-01-31 23:12:42,067 INFO L87 Difference]: Start difference. First operand 418 states and 551 transitions. Second operand has 70 states, 70 states have (on average 4.885714285714286) internal successors, (342), 69 states have internal predecessors, (342), 68 states have call successors, (69), 3 states have call predecessors, (69), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2022-01-31 23:12:43,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:43,329 INFO L93 Difference]: Finished difference Result 776 states and 1049 transitions. [2022-01-31 23:12:43,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-01-31 23:12:43,329 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 70 states have (on average 4.885714285714286) internal successors, (342), 69 states have internal predecessors, (342), 68 states have call successors, (69), 3 states have call predecessors, (69), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) Word has length 608 [2022-01-31 23:12:43,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:43,332 INFO L225 Difference]: With dead ends: 776 [2022-01-31 23:12:43,332 INFO L226 Difference]: Without dead ends: 764 [2022-01-31 23:12:43,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=2418, Invalid=2552, Unknown=0, NotChecked=0, Total=4970 [2022-01-31 23:12:43,335 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 1469 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 685 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 1633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 685 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:43,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1537 Valid, 620 Invalid, 1633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [685 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-31 23:12:43,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2022-01-31 23:12:43,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 424. [2022-01-31 23:12:43,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 350 states have (on average 1.2) internal successors, (420), 350 states have internal predecessors, (420), 70 states have call successors, (70), 4 states have call predecessors, (70), 3 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2022-01-31 23:12:43,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 559 transitions. [2022-01-31 23:12:43,349 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 559 transitions. Word has length 608 [2022-01-31 23:12:43,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:43,349 INFO L470 AbstractCegarLoop]: Abstraction has 424 states and 559 transitions. [2022-01-31 23:12:43,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 4.885714285714286) internal successors, (342), 69 states have internal predecessors, (342), 68 states have call successors, (69), 3 states have call predecessors, (69), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2022-01-31 23:12:43,350 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 559 transitions. [2022-01-31 23:12:43,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2022-01-31 23:12:43,353 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:43,354 INFO L514 BasicCegarLoop]: trace histogram [67, 67, 67, 67, 67, 67, 67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:43,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-01-31 23:12:43,354 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:43,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:43,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1132221346, now seen corresponding path program 67 times [2022-01-31 23:12:43,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:43,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1849173799] [2022-01-31 23:12:43,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:43,359 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:43,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:43,403 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:12:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:12:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:12:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:12:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:12:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:12:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:12:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:12:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:12:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:12:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:12:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:12:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:12:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:12:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:12:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:45,345 INFO L134 CoverageAnalysis]: Checked inductivity of 6633 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6633 trivial. 0 not checked. [2022-01-31 23:12:45,345 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:45,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1849173799] [2022-01-31 23:12:45,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1849173799] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:45,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:45,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [71] imperfect sequences [] total 71 [2022-01-31 23:12:45,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010013616] [2022-01-31 23:12:45,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:45,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-01-31 23:12:45,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:45,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-01-31 23:12:45,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2417, Invalid=2553, Unknown=0, NotChecked=0, Total=4970 [2022-01-31 23:12:45,348 INFO L87 Difference]: Start difference. First operand 424 states and 559 transitions. Second operand has 71 states, 71 states have (on average 4.887323943661972) internal successors, (347), 70 states have internal predecessors, (347), 69 states have call successors, (70), 3 states have call predecessors, (70), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2022-01-31 23:12:46,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:46,701 INFO L93 Difference]: Finished difference Result 787 states and 1064 transitions. [2022-01-31 23:12:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-01-31 23:12:46,701 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 71 states have (on average 4.887323943661972) internal successors, (347), 70 states have internal predecessors, (347), 69 states have call successors, (70), 3 states have call predecessors, (70), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) Word has length 617 [2022-01-31 23:12:46,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:46,704 INFO L225 Difference]: With dead ends: 787 [2022-01-31 23:12:46,704 INFO L226 Difference]: Without dead ends: 775 [2022-01-31 23:12:46,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=2488, Invalid=2624, Unknown=0, NotChecked=0, Total=5112 [2022-01-31 23:12:46,705 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 1267 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 580 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1336 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 1709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 580 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:46,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1336 Valid, 630 Invalid, 1709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [580 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-31 23:12:46,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2022-01-31 23:12:46,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 430. [2022-01-31 23:12:46,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 355 states have (on average 1.2) internal successors, (426), 355 states have internal predecessors, (426), 71 states have call successors, (71), 4 states have call predecessors, (71), 3 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2022-01-31 23:12:46,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 567 transitions. [2022-01-31 23:12:46,720 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 567 transitions. Word has length 617 [2022-01-31 23:12:46,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:46,720 INFO L470 AbstractCegarLoop]: Abstraction has 430 states and 567 transitions. [2022-01-31 23:12:46,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 4.887323943661972) internal successors, (347), 70 states have internal predecessors, (347), 69 states have call successors, (70), 3 states have call predecessors, (70), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2022-01-31 23:12:46,721 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 567 transitions. [2022-01-31 23:12:46,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2022-01-31 23:12:46,724 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:46,724 INFO L514 BasicCegarLoop]: trace histogram [68, 68, 68, 68, 68, 68, 68, 68, 68, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:46,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-01-31 23:12:46,725 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:46,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:46,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1007415012, now seen corresponding path program 68 times [2022-01-31 23:12:46,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:46,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1855328262] [2022-01-31 23:12:46,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:46,730 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:46,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:46,772 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:12:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:12:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:12:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:12:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:12:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:12:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:12:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:12:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:12:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:12:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:12:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:12:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:12:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:12:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:12:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:12:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:48,858 INFO L134 CoverageAnalysis]: Checked inductivity of 6834 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6834 trivial. 0 not checked. [2022-01-31 23:12:48,858 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:48,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1855328262] [2022-01-31 23:12:48,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1855328262] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:48,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:48,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [72] imperfect sequences [] total 72 [2022-01-31 23:12:48,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433447625] [2022-01-31 23:12:48,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:48,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-01-31 23:12:48,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:48,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-01-31 23:12:48,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2487, Invalid=2625, Unknown=0, NotChecked=0, Total=5112 [2022-01-31 23:12:48,861 INFO L87 Difference]: Start difference. First operand 430 states and 567 transitions. Second operand has 72 states, 72 states have (on average 4.888888888888889) internal successors, (352), 71 states have internal predecessors, (352), 70 states have call successors, (71), 3 states have call predecessors, (71), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2022-01-31 23:12:50,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:50,122 INFO L93 Difference]: Finished difference Result 798 states and 1079 transitions. [2022-01-31 23:12:50,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2022-01-31 23:12:50,123 INFO L78 Accepts]: Start accepts. Automaton has has 72 states, 72 states have (on average 4.888888888888889) internal successors, (352), 71 states have internal predecessors, (352), 70 states have call successors, (71), 3 states have call predecessors, (71), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) Word has length 626 [2022-01-31 23:12:50,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:50,125 INFO L225 Difference]: With dead ends: 798 [2022-01-31 23:12:50,125 INFO L226 Difference]: Without dead ends: 786 [2022-01-31 23:12:50,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=2559, Invalid=2697, Unknown=0, NotChecked=0, Total=5256 [2022-01-31 23:12:50,127 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 1336 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 619 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 1789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 619 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:50,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1406 Valid, 654 Invalid, 1789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [619 Valid, 1170 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-31 23:12:50,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2022-01-31 23:12:50,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 436. [2022-01-31 23:12:50,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 360 states have (on average 1.2) internal successors, (432), 360 states have internal predecessors, (432), 72 states have call successors, (72), 4 states have call predecessors, (72), 3 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-01-31 23:12:50,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 575 transitions. [2022-01-31 23:12:50,186 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 575 transitions. Word has length 626 [2022-01-31 23:12:50,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:50,186 INFO L470 AbstractCegarLoop]: Abstraction has 436 states and 575 transitions. [2022-01-31 23:12:50,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 4.888888888888889) internal successors, (352), 71 states have internal predecessors, (352), 70 states have call successors, (71), 3 states have call predecessors, (71), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2022-01-31 23:12:50,187 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 575 transitions. [2022-01-31 23:12:50,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2022-01-31 23:12:50,190 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:50,190 INFO L514 BasicCegarLoop]: trace histogram [69, 69, 69, 69, 69, 69, 69, 69, 69, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:50,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-01-31 23:12:50,191 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:50,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:50,192 INFO L85 PathProgramCache]: Analyzing trace with hash -422978078, now seen corresponding path program 69 times [2022-01-31 23:12:50,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:50,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [825175258] [2022-01-31 23:12:50,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:50,197 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:50,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:50,241 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:12:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:12:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:12:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:12:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:12:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:12:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:12:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:12:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:12:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:12:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:12:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:12:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:12:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:12:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:12:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:12:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:12:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:52,280 INFO L134 CoverageAnalysis]: Checked inductivity of 7038 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7038 trivial. 0 not checked. [2022-01-31 23:12:52,280 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:52,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [825175258] [2022-01-31 23:12:52,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [825175258] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:52,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:52,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [73] imperfect sequences [] total 73 [2022-01-31 23:12:52,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765425192] [2022-01-31 23:12:52,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:52,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2022-01-31 23:12:52,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:52,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2022-01-31 23:12:52,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2558, Invalid=2698, Unknown=0, NotChecked=0, Total=5256 [2022-01-31 23:12:52,282 INFO L87 Difference]: Start difference. First operand 436 states and 575 transitions. Second operand has 73 states, 73 states have (on average 4.890410958904109) internal successors, (357), 72 states have internal predecessors, (357), 71 states have call successors, (72), 3 states have call predecessors, (72), 1 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2022-01-31 23:12:53,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:53,715 INFO L93 Difference]: Finished difference Result 809 states and 1094 transitions. [2022-01-31 23:12:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-01-31 23:12:53,716 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 73 states have (on average 4.890410958904109) internal successors, (357), 72 states have internal predecessors, (357), 71 states have call successors, (72), 3 states have call predecessors, (72), 1 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) Word has length 635 [2022-01-31 23:12:53,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:53,718 INFO L225 Difference]: With dead ends: 809 [2022-01-31 23:12:53,718 INFO L226 Difference]: Without dead ends: 797 [2022-01-31 23:12:53,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=2631, Invalid=2771, Unknown=0, NotChecked=0, Total=5402 [2022-01-31 23:12:53,718 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 1349 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 627 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1420 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 1766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 627 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:53,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1420 Valid, 658 Invalid, 1766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [627 Valid, 1139 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-31 23:12:53,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2022-01-31 23:12:53,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 442. [2022-01-31 23:12:53,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 365 states have (on average 1.2) internal successors, (438), 365 states have internal predecessors, (438), 73 states have call successors, (73), 4 states have call predecessors, (73), 3 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2022-01-31 23:12:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 583 transitions. [2022-01-31 23:12:53,730 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 583 transitions. Word has length 635 [2022-01-31 23:12:53,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:53,730 INFO L470 AbstractCegarLoop]: Abstraction has 442 states and 583 transitions. [2022-01-31 23:12:53,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 4.890410958904109) internal successors, (357), 72 states have internal predecessors, (357), 71 states have call successors, (72), 3 states have call predecessors, (72), 1 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2022-01-31 23:12:53,730 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 583 transitions. [2022-01-31 23:12:53,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2022-01-31 23:12:53,734 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:53,734 INFO L514 BasicCegarLoop]: trace histogram [70, 70, 70, 70, 70, 70, 70, 70, 70, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:53,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-01-31 23:12:53,735 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:53,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:53,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1464472412, now seen corresponding path program 70 times [2022-01-31 23:12:53,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:53,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749203375] [2022-01-31 23:12:53,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:53,740 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:53,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:53,780 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:55,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:12:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:12:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:12:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:12:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:12:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:12:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:12:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:12:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:12:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:12:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:12:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:12:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:12:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:12:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:12:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:12:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:12:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:12:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:56,048 INFO L134 CoverageAnalysis]: Checked inductivity of 7245 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7245 trivial. 0 not checked. [2022-01-31 23:12:56,048 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:56,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749203375] [2022-01-31 23:12:56,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1749203375] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:56,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:56,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [74] imperfect sequences [] total 74 [2022-01-31 23:12:56,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303746444] [2022-01-31 23:12:56,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:56,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2022-01-31 23:12:56,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:56,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2022-01-31 23:12:56,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2630, Invalid=2772, Unknown=0, NotChecked=0, Total=5402 [2022-01-31 23:12:56,051 INFO L87 Difference]: Start difference. First operand 442 states and 583 transitions. Second operand has 74 states, 74 states have (on average 4.891891891891892) internal successors, (362), 73 states have internal predecessors, (362), 72 states have call successors, (73), 3 states have call predecessors, (73), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-01-31 23:12:57,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:12:57,459 INFO L93 Difference]: Finished difference Result 820 states and 1109 transitions. [2022-01-31 23:12:57,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-01-31 23:12:57,460 INFO L78 Accepts]: Start accepts. Automaton has has 74 states, 74 states have (on average 4.891891891891892) internal successors, (362), 73 states have internal predecessors, (362), 72 states have call successors, (73), 3 states have call predecessors, (73), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Word has length 644 [2022-01-31 23:12:57,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:12:57,462 INFO L225 Difference]: With dead ends: 820 [2022-01-31 23:12:57,462 INFO L226 Difference]: Without dead ends: 808 [2022-01-31 23:12:57,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2704, Invalid=2846, Unknown=0, NotChecked=0, Total=5550 [2022-01-31 23:12:57,463 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 1526 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 710 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1598 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 1822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 710 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-31 23:12:57,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1598 Valid, 655 Invalid, 1822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [710 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-31 23:12:57,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2022-01-31 23:12:57,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 448. [2022-01-31 23:12:57,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 370 states have (on average 1.2) internal successors, (444), 370 states have internal predecessors, (444), 74 states have call successors, (74), 4 states have call predecessors, (74), 3 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2022-01-31 23:12:57,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 591 transitions. [2022-01-31 23:12:57,474 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 591 transitions. Word has length 644 [2022-01-31 23:12:57,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:12:57,475 INFO L470 AbstractCegarLoop]: Abstraction has 448 states and 591 transitions. [2022-01-31 23:12:57,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 4.891891891891892) internal successors, (362), 73 states have internal predecessors, (362), 72 states have call successors, (73), 3 states have call predecessors, (73), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-01-31 23:12:57,475 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 591 transitions. [2022-01-31 23:12:57,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2022-01-31 23:12:57,479 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:12:57,479 INFO L514 BasicCegarLoop]: trace histogram [71, 71, 71, 71, 71, 71, 71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:12:57,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-01-31 23:12:57,479 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:12:57,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:12:57,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1948342306, now seen corresponding path program 71 times [2022-01-31 23:12:57,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:12:57,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2031398115] [2022-01-31 23:12:57,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:12:57,485 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:12:57,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:12:57,531 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:12:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:12:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:12:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:12:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:12:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:12:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:12:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:12:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:12:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:12:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:12:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:12:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:12:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:12:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:12:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:12:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:12:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:12:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:12:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:12:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:12:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:12:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:12:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:12:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:12:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:12:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:12:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:12:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:12:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:12:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:12:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:12:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:12:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:12:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:12:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:12:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:12:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:12:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:12:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:12:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:12:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:12:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:12:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:12:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:12:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:12:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:12:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:12:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:12:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:12:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:12:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:12:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:12:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:12:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:12:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:12:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:12:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:12:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:12:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:12:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:12:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:12:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:12:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:12:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:12:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:12:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:12:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:12:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:12:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:12:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:12:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:12:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:12:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:12:59,841 INFO L134 CoverageAnalysis]: Checked inductivity of 7455 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7455 trivial. 0 not checked. [2022-01-31 23:12:59,841 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:12:59,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2031398115] [2022-01-31 23:12:59,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2031398115] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:12:59,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:12:59,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [75] imperfect sequences [] total 75 [2022-01-31 23:12:59,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067953216] [2022-01-31 23:12:59,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:12:59,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-01-31 23:12:59,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:12:59,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-01-31 23:12:59,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2703, Invalid=2847, Unknown=0, NotChecked=0, Total=5550 [2022-01-31 23:12:59,843 INFO L87 Difference]: Start difference. First operand 448 states and 591 transitions. Second operand has 75 states, 75 states have (on average 4.8933333333333335) internal successors, (367), 74 states have internal predecessors, (367), 73 states have call successors, (74), 3 states have call predecessors, (74), 1 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2022-01-31 23:13:01,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:13:01,246 INFO L93 Difference]: Finished difference Result 831 states and 1124 transitions. [2022-01-31 23:13:01,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-01-31 23:13:01,246 INFO L78 Accepts]: Start accepts. Automaton has has 75 states, 75 states have (on average 4.8933333333333335) internal successors, (367), 74 states have internal predecessors, (367), 73 states have call successors, (74), 3 states have call predecessors, (74), 1 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) Word has length 653 [2022-01-31 23:13:01,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:13:01,248 INFO L225 Difference]: With dead ends: 831 [2022-01-31 23:13:01,248 INFO L226 Difference]: Without dead ends: 819 [2022-01-31 23:13:01,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2778, Invalid=2922, Unknown=0, NotChecked=0, Total=5700 [2022-01-31 23:13:01,249 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 1301 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 600 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1374 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 1855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 600 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-31 23:13:01,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1374 Valid, 691 Invalid, 1855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [600 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-31 23:13:01,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2022-01-31 23:13:01,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 454. [2022-01-31 23:13:01,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 375 states have (on average 1.2) internal successors, (450), 375 states have internal predecessors, (450), 75 states have call successors, (75), 4 states have call predecessors, (75), 3 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2022-01-31 23:13:01,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 599 transitions. [2022-01-31 23:13:01,261 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 599 transitions. Word has length 653 [2022-01-31 23:13:01,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:13:01,262 INFO L470 AbstractCegarLoop]: Abstraction has 454 states and 599 transitions. [2022-01-31 23:13:01,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 4.8933333333333335) internal successors, (367), 74 states have internal predecessors, (367), 73 states have call successors, (74), 3 states have call predecessors, (74), 1 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2022-01-31 23:13:01,262 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 599 transitions. [2022-01-31 23:13:01,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2022-01-31 23:13:01,266 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:13:01,266 INFO L514 BasicCegarLoop]: trace histogram [72, 72, 72, 72, 72, 72, 72, 72, 72, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:13:01,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-01-31 23:13:01,267 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:13:01,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:13:01,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1065613924, now seen corresponding path program 72 times [2022-01-31 23:13:01,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:13:01,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [695855949] [2022-01-31 23:13:01,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:13:01,272 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:13:01,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:13:01,319 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:13:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:13:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:13:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:13:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:13:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:13:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:13:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:13:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:13:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:13:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:13:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:13:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:13:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:13:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:13:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:13:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:13:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:13:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:13:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:13:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:13:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:13:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:13:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:13:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:13:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:13:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:13:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:13:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:13:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:13:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:13:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:13:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:13:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:13:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:13:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:13:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:13:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:13:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:13:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:13:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:13:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:13:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:13:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:13:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:13:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:13:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:13:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:13:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:13:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:13:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:13:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:13:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:13:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:13:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:13:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:13:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:13:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:13:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:13:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:13:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:13:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:13:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:13:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:13:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:13:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:13:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:13:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:13:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:13:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:13:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:13:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:13:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:13:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:13:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:03,572 INFO L134 CoverageAnalysis]: Checked inductivity of 7668 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7668 trivial. 0 not checked. [2022-01-31 23:13:03,572 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:13:03,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [695855949] [2022-01-31 23:13:03,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [695855949] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:13:03,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:13:03,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [76] imperfect sequences [] total 76 [2022-01-31 23:13:03,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530383909] [2022-01-31 23:13:03,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:13:03,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2022-01-31 23:13:03,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:13:03,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2022-01-31 23:13:03,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2777, Invalid=2923, Unknown=0, NotChecked=0, Total=5700 [2022-01-31 23:13:03,575 INFO L87 Difference]: Start difference. First operand 454 states and 599 transitions. Second operand has 76 states, 76 states have (on average 4.894736842105263) internal successors, (372), 75 states have internal predecessors, (372), 74 states have call successors, (75), 3 states have call predecessors, (75), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2022-01-31 23:13:05,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:13:05,053 INFO L93 Difference]: Finished difference Result 842 states and 1139 transitions. [2022-01-31 23:13:05,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-31 23:13:05,053 INFO L78 Accepts]: Start accepts. Automaton has has 76 states, 76 states have (on average 4.894736842105263) internal successors, (372), 75 states have internal predecessors, (372), 74 states have call successors, (75), 3 states have call predecessors, (75), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) Word has length 662 [2022-01-31 23:13:05,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:13:05,055 INFO L225 Difference]: With dead ends: 842 [2022-01-31 23:13:05,055 INFO L226 Difference]: Without dead ends: 830 [2022-01-31 23:13:05,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2853, Invalid=2999, Unknown=0, NotChecked=0, Total=5852 [2022-01-31 23:13:05,056 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 1339 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 615 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1413 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 1783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 615 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-31 23:13:05,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1413 Valid, 681 Invalid, 1783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [615 Valid, 1168 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-31 23:13:05,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2022-01-31 23:13:05,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 460. [2022-01-31 23:13:05,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 380 states have (on average 1.2) internal successors, (456), 380 states have internal predecessors, (456), 76 states have call successors, (76), 4 states have call predecessors, (76), 3 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-01-31 23:13:05,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 607 transitions. [2022-01-31 23:13:05,069 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 607 transitions. Word has length 662 [2022-01-31 23:13:05,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:13:05,069 INFO L470 AbstractCegarLoop]: Abstraction has 460 states and 607 transitions. [2022-01-31 23:13:05,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 4.894736842105263) internal successors, (372), 75 states have internal predecessors, (372), 74 states have call successors, (75), 3 states have call predecessors, (75), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2022-01-31 23:13:05,069 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 607 transitions. [2022-01-31 23:13:05,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2022-01-31 23:13:05,073 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:13:05,074 INFO L514 BasicCegarLoop]: trace histogram [73, 73, 73, 73, 73, 73, 73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:13:05,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-01-31 23:13:05,074 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:13:05,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:13:05,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1763261854, now seen corresponding path program 73 times [2022-01-31 23:13:05,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:13:05,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [420073096] [2022-01-31 23:13:05,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:13:05,080 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:13:05,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:13:05,119 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:13:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:13:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:13:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:13:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:13:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:13:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:13:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:13:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:13:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:13:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:13:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:13:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:13:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:13:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:13:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:13:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:13:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:13:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:13:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:13:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:13:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:13:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:13:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:13:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:13:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:13:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:13:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:13:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:13:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:13:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:13:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:13:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:13:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:13:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:13:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:13:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:13:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:13:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:13:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:13:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:13:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:13:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:13:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:13:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:13:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:13:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:13:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:13:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:13:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:13:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:13:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:13:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:13:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:13:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:13:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:13:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:13:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:13:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:13:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:13:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:13:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:13:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:13:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:13:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:13:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:13:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:13:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:13:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:13:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:13:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:13:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:13:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:13:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:13:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:13:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:07,435 INFO L134 CoverageAnalysis]: Checked inductivity of 7884 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7884 trivial. 0 not checked. [2022-01-31 23:13:07,435 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:13:07,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [420073096] [2022-01-31 23:13:07,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [420073096] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:13:07,435 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:13:07,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [77] imperfect sequences [] total 77 [2022-01-31 23:13:07,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455236695] [2022-01-31 23:13:07,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:13:07,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2022-01-31 23:13:07,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:13:07,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2022-01-31 23:13:07,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2852, Invalid=3000, Unknown=0, NotChecked=0, Total=5852 [2022-01-31 23:13:07,438 INFO L87 Difference]: Start difference. First operand 460 states and 607 transitions. Second operand has 77 states, 77 states have (on average 4.896103896103896) internal successors, (377), 76 states have internal predecessors, (377), 75 states have call successors, (76), 3 states have call predecessors, (76), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2022-01-31 23:13:08,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:13:08,925 INFO L93 Difference]: Finished difference Result 853 states and 1154 transitions. [2022-01-31 23:13:08,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-01-31 23:13:08,925 INFO L78 Accepts]: Start accepts. Automaton has has 77 states, 77 states have (on average 4.896103896103896) internal successors, (377), 76 states have internal predecessors, (377), 75 states have call successors, (76), 3 states have call predecessors, (76), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) Word has length 671 [2022-01-31 23:13:08,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:13:08,927 INFO L225 Difference]: With dead ends: 853 [2022-01-31 23:13:08,927 INFO L226 Difference]: Without dead ends: 841 [2022-01-31 23:13:08,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=2929, Invalid=3077, Unknown=0, NotChecked=0, Total=6006 [2022-01-31 23:13:08,928 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 2007 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 940 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2082 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 1967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 940 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-31 23:13:08,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2082 Valid, 671 Invalid, 1967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [940 Valid, 1027 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-31 23:13:08,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2022-01-31 23:13:08,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 466. [2022-01-31 23:13:08,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 385 states have (on average 1.2) internal successors, (462), 385 states have internal predecessors, (462), 77 states have call successors, (77), 4 states have call predecessors, (77), 3 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2022-01-31 23:13:08,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 615 transitions. [2022-01-31 23:13:08,939 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 615 transitions. Word has length 671 [2022-01-31 23:13:08,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:13:08,940 INFO L470 AbstractCegarLoop]: Abstraction has 466 states and 615 transitions. [2022-01-31 23:13:08,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 4.896103896103896) internal successors, (377), 76 states have internal predecessors, (377), 75 states have call successors, (76), 3 states have call predecessors, (76), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2022-01-31 23:13:08,940 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 615 transitions. [2022-01-31 23:13:08,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2022-01-31 23:13:08,943 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:13:08,943 INFO L514 BasicCegarLoop]: trace histogram [74, 74, 74, 74, 74, 74, 74, 74, 74, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:13:08,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-01-31 23:13:08,943 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:13:08,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:13:08,943 INFO L85 PathProgramCache]: Analyzing trace with hash -443410396, now seen corresponding path program 74 times [2022-01-31 23:13:08,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:13:08,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [254540481] [2022-01-31 23:13:08,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:13:08,954 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:13:08,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:13:09,000 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:13:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:13:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:13:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:13:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:13:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:13:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:13:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:13:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:13:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:13:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:13:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:13:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:13:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:13:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:13:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:13:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:13:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:13:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:13:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:13:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:13:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:13:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:13:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:13:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:13:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:13:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:13:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:13:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:13:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:13:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:13:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:13:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:13:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:13:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:13:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:13:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:13:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:13:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:13:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:13:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:13:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:13:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:13:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:13:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:13:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:13:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:13:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:13:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:13:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:13:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:13:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:13:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:13:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:13:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:13:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:13:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:13:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:13:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:13:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:13:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:13:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:13:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:13:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:13:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:13:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:13:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:13:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:13:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:13:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:13:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:13:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:13:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:13:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:13:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:13:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:13:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:11,427 INFO L134 CoverageAnalysis]: Checked inductivity of 8103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8103 trivial. 0 not checked. [2022-01-31 23:13:11,427 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:13:11,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [254540481] [2022-01-31 23:13:11,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [254540481] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:13:11,427 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:13:11,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [78] imperfect sequences [] total 78 [2022-01-31 23:13:11,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058884429] [2022-01-31 23:13:11,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:13:11,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2022-01-31 23:13:11,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:13:11,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2022-01-31 23:13:11,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2928, Invalid=3078, Unknown=0, NotChecked=0, Total=6006 [2022-01-31 23:13:11,429 INFO L87 Difference]: Start difference. First operand 466 states and 615 transitions. Second operand has 78 states, 78 states have (on average 4.897435897435898) internal successors, (382), 77 states have internal predecessors, (382), 76 states have call successors, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-01-31 23:13:12,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:13:12,966 INFO L93 Difference]: Finished difference Result 864 states and 1169 transitions. [2022-01-31 23:13:12,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-01-31 23:13:12,967 INFO L78 Accepts]: Start accepts. Automaton has has 78 states, 78 states have (on average 4.897435897435898) internal successors, (382), 77 states have internal predecessors, (382), 76 states have call successors, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) Word has length 680 [2022-01-31 23:13:12,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:13:12,969 INFO L225 Difference]: With dead ends: 864 [2022-01-31 23:13:12,969 INFO L226 Difference]: Without dead ends: 852 [2022-01-31 23:13:12,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=3006, Invalid=3156, Unknown=0, NotChecked=0, Total=6162 [2022-01-31 23:13:12,970 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 1701 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 1920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-31 23:13:12,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1777 Valid, 689 Invalid, 1920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1124 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-31 23:13:12,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2022-01-31 23:13:12,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 472. [2022-01-31 23:13:12,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 390 states have (on average 1.2) internal successors, (468), 390 states have internal predecessors, (468), 78 states have call successors, (78), 4 states have call predecessors, (78), 3 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2022-01-31 23:13:12,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 623 transitions. [2022-01-31 23:13:12,981 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 623 transitions. Word has length 680 [2022-01-31 23:13:12,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:13:12,981 INFO L470 AbstractCegarLoop]: Abstraction has 472 states and 623 transitions. [2022-01-31 23:13:12,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 4.897435897435898) internal successors, (382), 77 states have internal predecessors, (382), 76 states have call successors, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-01-31 23:13:12,982 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 623 transitions. [2022-01-31 23:13:12,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2022-01-31 23:13:12,986 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:13:12,986 INFO L514 BasicCegarLoop]: trace histogram [75, 75, 75, 75, 75, 75, 75, 75, 75, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:13:12,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-01-31 23:13:12,986 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:13:12,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:13:12,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1769872546, now seen corresponding path program 75 times [2022-01-31 23:13:12,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:13:12,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [645692038] [2022-01-31 23:13:12,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:13:12,991 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:13:12,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:13:13,027 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:13:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:13:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:13:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:13:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:13:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:13:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:13:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:13:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:13:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:13:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:13:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:13:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:13:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:13:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:13:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:13:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:13:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:13:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:13:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:13:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:13:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:13:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:13:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:13:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:13:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:13:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:13:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:13:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:13:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:13:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:13:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:13:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:13:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:13:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:13:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:13:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:13:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:13:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:13:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:13:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:13:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:13:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:13:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:13:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:13:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:13:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:13:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:13:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:13:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:13:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:13:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:13:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:13:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:13:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:13:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:13:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:13:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:13:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:13:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:13:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:13:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:13:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:13:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:13:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:13:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:13:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:13:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:13:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:13:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:13:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:13:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:13:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:13:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:13:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:13:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:13:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:13:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:15,490 INFO L134 CoverageAnalysis]: Checked inductivity of 8325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8325 trivial. 0 not checked. [2022-01-31 23:13:15,490 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:13:15,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [645692038] [2022-01-31 23:13:15,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [645692038] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:13:15,491 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:13:15,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [79] imperfect sequences [] total 79 [2022-01-31 23:13:15,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408389916] [2022-01-31 23:13:15,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:13:15,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-01-31 23:13:15,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:13:15,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-01-31 23:13:15,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3005, Invalid=3157, Unknown=0, NotChecked=0, Total=6162 [2022-01-31 23:13:15,493 INFO L87 Difference]: Start difference. First operand 472 states and 623 transitions. Second operand has 79 states, 79 states have (on average 4.89873417721519) internal successors, (387), 78 states have internal predecessors, (387), 77 states have call successors, (78), 3 states have call predecessors, (78), 1 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2022-01-31 23:13:17,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:13:17,180 INFO L93 Difference]: Finished difference Result 875 states and 1184 transitions. [2022-01-31 23:13:17,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-01-31 23:13:17,181 INFO L78 Accepts]: Start accepts. Automaton has has 79 states, 79 states have (on average 4.89873417721519) internal successors, (387), 78 states have internal predecessors, (387), 77 states have call successors, (78), 3 states have call predecessors, (78), 1 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) Word has length 689 [2022-01-31 23:13:17,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:13:17,183 INFO L225 Difference]: With dead ends: 875 [2022-01-31 23:13:17,183 INFO L226 Difference]: Without dead ends: 863 [2022-01-31 23:13:17,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=3084, Invalid=3236, Unknown=0, NotChecked=0, Total=6320 [2022-01-31 23:13:17,183 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 1335 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 613 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1412 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 2032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 613 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-31 23:13:17,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1412 Valid, 726 Invalid, 2032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [613 Valid, 1419 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-31 23:13:17,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2022-01-31 23:13:17,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 478. [2022-01-31 23:13:17,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 395 states have (on average 1.2) internal successors, (474), 395 states have internal predecessors, (474), 79 states have call successors, (79), 4 states have call predecessors, (79), 3 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-01-31 23:13:17,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 631 transitions. [2022-01-31 23:13:17,194 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 631 transitions. Word has length 689 [2022-01-31 23:13:17,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:13:17,195 INFO L470 AbstractCegarLoop]: Abstraction has 478 states and 631 transitions. [2022-01-31 23:13:17,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 4.89873417721519) internal successors, (387), 78 states have internal predecessors, (387), 77 states have call successors, (78), 3 states have call predecessors, (78), 1 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2022-01-31 23:13:17,195 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 631 transitions. [2022-01-31 23:13:17,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2022-01-31 23:13:17,198 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:13:17,198 INFO L514 BasicCegarLoop]: trace histogram [76, 76, 76, 76, 76, 76, 76, 76, 76, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:13:17,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-01-31 23:13:17,199 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:13:17,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:13:17,199 INFO L85 PathProgramCache]: Analyzing trace with hash -251902492, now seen corresponding path program 76 times [2022-01-31 23:13:17,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:13:17,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [824456117] [2022-01-31 23:13:17,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:13:17,202 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:13:17,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:13:17,242 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:13:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:13:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:13:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:13:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:13:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:13:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:13:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:13:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:13:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:13:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:13:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:13:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:13:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:13:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:13:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:13:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:13:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:13:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:13:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:13:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:13:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:13:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:13:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:13:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:13:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:13:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:13:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:13:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:13:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:13:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:13:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:13:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:13:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:13:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:13:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:13:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:13:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:13:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:13:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:13:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:13:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:13:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:13:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:13:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:13:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:13:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:13:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:13:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:13:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:13:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:13:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:13:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:13:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:13:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:13:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:13:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:13:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:13:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:13:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:13:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:13:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:13:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:13:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:13:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:13:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:13:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:13:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:13:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:13:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:13:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:13:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:13:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:13:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:13:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:13:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:13:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:13:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:13:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:19,745 INFO L134 CoverageAnalysis]: Checked inductivity of 8550 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8550 trivial. 0 not checked. [2022-01-31 23:13:19,745 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:13:19,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [824456117] [2022-01-31 23:13:19,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [824456117] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:13:19,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:13:19,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [80] imperfect sequences [] total 80 [2022-01-31 23:13:19,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300753926] [2022-01-31 23:13:19,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:13:19,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2022-01-31 23:13:19,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:13:19,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2022-01-31 23:13:19,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3083, Invalid=3237, Unknown=0, NotChecked=0, Total=6320 [2022-01-31 23:13:19,748 INFO L87 Difference]: Start difference. First operand 478 states and 631 transitions. Second operand has 80 states, 80 states have (on average 4.9) internal successors, (392), 79 states have internal predecessors, (392), 78 states have call successors, (79), 3 states have call predecessors, (79), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2022-01-31 23:13:21,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:13:21,426 INFO L93 Difference]: Finished difference Result 886 states and 1199 transitions. [2022-01-31 23:13:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-01-31 23:13:21,427 INFO L78 Accepts]: Start accepts. Automaton has has 80 states, 80 states have (on average 4.9) internal successors, (392), 79 states have internal predecessors, (392), 78 states have call successors, (79), 3 states have call predecessors, (79), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) Word has length 698 [2022-01-31 23:13:21,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:13:21,429 INFO L225 Difference]: With dead ends: 886 [2022-01-31 23:13:21,429 INFO L226 Difference]: Without dead ends: 874 [2022-01-31 23:13:21,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=3163, Invalid=3317, Unknown=0, NotChecked=0, Total=6480 [2022-01-31 23:13:21,430 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 1710 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1788 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 1944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-31 23:13:21,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1788 Valid, 710 Invalid, 1944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1148 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-31 23:13:21,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2022-01-31 23:13:21,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 484. [2022-01-31 23:13:21,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 400 states have (on average 1.2) internal successors, (480), 400 states have internal predecessors, (480), 80 states have call successors, (80), 4 states have call predecessors, (80), 3 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2022-01-31 23:13:21,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 639 transitions. [2022-01-31 23:13:21,441 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 639 transitions. Word has length 698 [2022-01-31 23:13:21,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:13:21,442 INFO L470 AbstractCegarLoop]: Abstraction has 484 states and 639 transitions. [2022-01-31 23:13:21,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 4.9) internal successors, (392), 79 states have internal predecessors, (392), 78 states have call successors, (79), 3 states have call predecessors, (79), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2022-01-31 23:13:21,442 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 639 transitions. [2022-01-31 23:13:21,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2022-01-31 23:13:21,445 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:13:21,445 INFO L514 BasicCegarLoop]: trace histogram [77, 77, 77, 77, 77, 77, 77, 77, 77, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:13:21,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-01-31 23:13:21,445 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:13:21,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:13:21,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1253349662, now seen corresponding path program 77 times [2022-01-31 23:13:21,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:13:21,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1615062685] [2022-01-31 23:13:21,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:13:21,451 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:13:21,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:13:21,492 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:13:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:23,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:13:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:23,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:13:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:23,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:13:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:23,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:13:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:23,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:13:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:23,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:13:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:13:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:13:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:13:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:13:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:13:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:13:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:13:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:13:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:13:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:13:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:13:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:13:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:13:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:13:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:13:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:13:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:13:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:13:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:13:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:13:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:13:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:13:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:13:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:13:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:13:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:13:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:13:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:13:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:13:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:13:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:13:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:13:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:13:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:13:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:13:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:13:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:13:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:13:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:13:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:13:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:13:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:13:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:13:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:13:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:13:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:13:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:13:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:13:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:13:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:13:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:13:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:13:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:13:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:13:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:13:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:13:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:13:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:13:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:13:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:13:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:13:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:13:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:13:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:13:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:13:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:13:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:13:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:13:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:13:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:13:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:13:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:13:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:24,104 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8778 trivial. 0 not checked. [2022-01-31 23:13:24,104 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:13:24,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1615062685] [2022-01-31 23:13:24,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1615062685] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:13:24,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:13:24,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [81] imperfect sequences [] total 81 [2022-01-31 23:13:24,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13152130] [2022-01-31 23:13:24,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:13:24,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2022-01-31 23:13:24,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:13:24,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2022-01-31 23:13:24,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3162, Invalid=3318, Unknown=0, NotChecked=0, Total=6480 [2022-01-31 23:13:24,107 INFO L87 Difference]: Start difference. First operand 484 states and 639 transitions. Second operand has 81 states, 81 states have (on average 4.901234567901234) internal successors, (397), 80 states have internal predecessors, (397), 79 states have call successors, (80), 3 states have call predecessors, (80), 1 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-01-31 23:13:25,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:13:25,841 INFO L93 Difference]: Finished difference Result 897 states and 1214 transitions. [2022-01-31 23:13:25,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-01-31 23:13:25,842 INFO L78 Accepts]: Start accepts. Automaton has has 81 states, 81 states have (on average 4.901234567901234) internal successors, (397), 80 states have internal predecessors, (397), 79 states have call successors, (80), 3 states have call predecessors, (80), 1 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Word has length 707 [2022-01-31 23:13:25,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:13:25,844 INFO L225 Difference]: With dead ends: 897 [2022-01-31 23:13:25,844 INFO L226 Difference]: Without dead ends: 885 [2022-01-31 23:13:25,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=3243, Invalid=3399, Unknown=0, NotChecked=0, Total=6642 [2022-01-31 23:13:25,845 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 1631 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 1247 mSolverCounterSat, 757 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1710 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 2004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 757 IncrementalHoareTripleChecker+Valid, 1247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-31 23:13:25,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1710 Valid, 706 Invalid, 2004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [757 Valid, 1247 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-31 23:13:25,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2022-01-31 23:13:25,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 490. [2022-01-31 23:13:25,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 405 states have (on average 1.2) internal successors, (486), 405 states have internal predecessors, (486), 81 states have call successors, (81), 4 states have call predecessors, (81), 3 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2022-01-31 23:13:25,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 647 transitions. [2022-01-31 23:13:25,858 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 647 transitions. Word has length 707 [2022-01-31 23:13:25,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:13:25,858 INFO L470 AbstractCegarLoop]: Abstraction has 490 states and 647 transitions. [2022-01-31 23:13:25,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 4.901234567901234) internal successors, (397), 80 states have internal predecessors, (397), 79 states have call successors, (80), 3 states have call predecessors, (80), 1 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-01-31 23:13:25,858 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 647 transitions. [2022-01-31 23:13:25,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2022-01-31 23:13:25,861 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:13:25,862 INFO L514 BasicCegarLoop]: trace histogram [78, 78, 78, 78, 78, 78, 78, 78, 78, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:13:25,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-01-31 23:13:25,862 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:13:25,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:13:25,862 INFO L85 PathProgramCache]: Analyzing trace with hash -388070492, now seen corresponding path program 78 times [2022-01-31 23:13:25,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:13:25,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1341451245] [2022-01-31 23:13:25,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:13:25,868 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:13:25,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:13:25,910 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:13:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:13:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:13:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:13:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:13:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:13:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:13:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:13:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:13:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:13:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:13:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:13:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:13:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:13:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:13:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:13:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:13:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:13:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:13:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:13:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:13:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:13:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:13:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:13:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:13:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:13:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:13:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:13:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:13:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:13:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:13:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:13:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:13:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:13:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:13:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:13:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:13:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:13:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:13:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:13:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:13:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:13:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:13:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:13:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:13:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:13:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:13:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:13:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:13:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:13:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:13:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:13:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:13:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:13:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:13:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:13:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:13:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:13:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:13:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:13:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:13:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:13:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:13:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:13:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:13:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:13:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:13:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:13:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:13:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:13:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:13:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:13:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:13:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:13:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:13:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:13:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:13:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:13:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:13:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:13:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:28,447 INFO L134 CoverageAnalysis]: Checked inductivity of 9009 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9009 trivial. 0 not checked. [2022-01-31 23:13:28,447 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:13:28,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1341451245] [2022-01-31 23:13:28,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1341451245] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:13:28,447 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:13:28,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [82] imperfect sequences [] total 82 [2022-01-31 23:13:28,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369855790] [2022-01-31 23:13:28,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:13:28,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2022-01-31 23:13:28,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:13:28,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2022-01-31 23:13:28,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3242, Invalid=3400, Unknown=0, NotChecked=0, Total=6642 [2022-01-31 23:13:28,450 INFO L87 Difference]: Start difference. First operand 490 states and 647 transitions. Second operand has 82 states, 82 states have (on average 4.902439024390244) internal successors, (402), 81 states have internal predecessors, (402), 80 states have call successors, (81), 3 states have call predecessors, (81), 1 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2022-01-31 23:13:30,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:13:30,367 INFO L93 Difference]: Finished difference Result 908 states and 1229 transitions. [2022-01-31 23:13:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-01-31 23:13:30,368 INFO L78 Accepts]: Start accepts. Automaton has has 82 states, 82 states have (on average 4.902439024390244) internal successors, (402), 81 states have internal predecessors, (402), 80 states have call successors, (81), 3 states have call predecessors, (81), 1 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) Word has length 716 [2022-01-31 23:13:30,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:13:30,370 INFO L225 Difference]: With dead ends: 908 [2022-01-31 23:13:30,370 INFO L226 Difference]: Without dead ends: 896 [2022-01-31 23:13:30,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=3324, Invalid=3482, Unknown=0, NotChecked=0, Total=6806 [2022-01-31 23:13:30,371 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 1408 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 1564 mSolverCounterSat, 647 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1488 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 2211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 647 IncrementalHoareTripleChecker+Valid, 1564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:13:30,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1488 Valid, 740 Invalid, 2211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [647 Valid, 1564 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-31 23:13:30,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2022-01-31 23:13:30,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 496. [2022-01-31 23:13:30,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 410 states have (on average 1.2) internal successors, (492), 410 states have internal predecessors, (492), 82 states have call successors, (82), 4 states have call predecessors, (82), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2022-01-31 23:13:30,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 655 transitions. [2022-01-31 23:13:30,383 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 655 transitions. Word has length 716 [2022-01-31 23:13:30,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:13:30,383 INFO L470 AbstractCegarLoop]: Abstraction has 496 states and 655 transitions. [2022-01-31 23:13:30,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 4.902439024390244) internal successors, (402), 81 states have internal predecessors, (402), 80 states have call successors, (81), 3 states have call predecessors, (81), 1 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2022-01-31 23:13:30,383 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 655 transitions. [2022-01-31 23:13:30,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726 [2022-01-31 23:13:30,386 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:13:30,387 INFO L514 BasicCegarLoop]: trace histogram [79, 79, 79, 79, 79, 79, 79, 79, 79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:13:30,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-01-31 23:13:30,387 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:13:30,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:13:30,387 INFO L85 PathProgramCache]: Analyzing trace with hash 850567458, now seen corresponding path program 79 times [2022-01-31 23:13:30,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:13:30,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965468305] [2022-01-31 23:13:30,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:13:30,392 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:13:30,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:13:30,433 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:13:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:13:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:13:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:13:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:13:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:13:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:13:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:13:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:13:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:13:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:13:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:13:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:13:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:13:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:13:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:13:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:13:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:13:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:13:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:13:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:13:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:13:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:13:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:13:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:13:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:13:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:13:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:13:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:13:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:13:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:13:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:13:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:13:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:13:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:13:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:13:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:13:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:13:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:13:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:13:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:13:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:13:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:13:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:13:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:13:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:13:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:13:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:13:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:13:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:13:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:13:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:13:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:13:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:13:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:13:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:13:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:13:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:13:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:13:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:13:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:13:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:13:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:13:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:13:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:13:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:13:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:13:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:13:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:13:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:13:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:13:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:13:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:13:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:13:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:13:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:13:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:13:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:13:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:13:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:13:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:13:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 9243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9243 trivial. 0 not checked. [2022-01-31 23:13:33,248 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:13:33,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965468305] [2022-01-31 23:13:33,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1965468305] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:13:33,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:13:33,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [83] imperfect sequences [] total 83 [2022-01-31 23:13:33,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712342806] [2022-01-31 23:13:33,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:13:33,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2022-01-31 23:13:33,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:13:33,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2022-01-31 23:13:33,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3323, Invalid=3483, Unknown=0, NotChecked=0, Total=6806 [2022-01-31 23:13:33,252 INFO L87 Difference]: Start difference. First operand 496 states and 655 transitions. Second operand has 83 states, 83 states have (on average 4.903614457831325) internal successors, (407), 82 states have internal predecessors, (407), 81 states have call successors, (82), 3 states have call predecessors, (82), 1 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2022-01-31 23:13:35,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:13:35,021 INFO L93 Difference]: Finished difference Result 919 states and 1244 transitions. [2022-01-31 23:13:35,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-01-31 23:13:35,022 INFO L78 Accepts]: Start accepts. Automaton has has 83 states, 83 states have (on average 4.903614457831325) internal successors, (407), 82 states have internal predecessors, (407), 81 states have call successors, (82), 3 states have call predecessors, (82), 1 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) Word has length 725 [2022-01-31 23:13:35,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:13:35,023 INFO L225 Difference]: With dead ends: 919 [2022-01-31 23:13:35,023 INFO L226 Difference]: Without dead ends: 907 [2022-01-31 23:13:35,024 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=3406, Invalid=3566, Unknown=0, NotChecked=0, Total=6972 [2022-01-31 23:13:35,024 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 1572 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 1397 mSolverCounterSat, 728 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1653 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 2125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 728 IncrementalHoareTripleChecker+Valid, 1397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-31 23:13:35,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1653 Valid, 738 Invalid, 2125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [728 Valid, 1397 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-31 23:13:35,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2022-01-31 23:13:35,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 502. [2022-01-31 23:13:35,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 415 states have (on average 1.2) internal successors, (498), 415 states have internal predecessors, (498), 83 states have call successors, (83), 4 states have call predecessors, (83), 3 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2022-01-31 23:13:35,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 663 transitions. [2022-01-31 23:13:35,035 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 663 transitions. Word has length 725 [2022-01-31 23:13:35,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:13:35,035 INFO L470 AbstractCegarLoop]: Abstraction has 502 states and 663 transitions. [2022-01-31 23:13:35,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 4.903614457831325) internal successors, (407), 82 states have internal predecessors, (407), 81 states have call successors, (82), 3 states have call predecessors, (82), 1 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2022-01-31 23:13:35,035 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 663 transitions. [2022-01-31 23:13:35,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2022-01-31 23:13:35,038 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:13:35,039 INFO L514 BasicCegarLoop]: trace histogram [80, 80, 80, 80, 80, 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:13:35,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-01-31 23:13:35,039 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:13:35,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:13:35,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1163186532, now seen corresponding path program 80 times [2022-01-31 23:13:35,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:13:35,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [308396662] [2022-01-31 23:13:35,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:13:35,042 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:13:35,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:13:35,090 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:13:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:13:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:13:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:13:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:13:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:13:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:13:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:13:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:13:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:13:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:13:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:13:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:13:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:13:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:13:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:13:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:13:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:13:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:13:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:13:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:13:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:13:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:13:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:13:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:13:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:13:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:13:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:13:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:13:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:13:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:13:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:13:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:13:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:13:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:13:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:13:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:13:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:13:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:13:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:13:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:13:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:13:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:13:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:13:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:13:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:13:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:13:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:13:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:13:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:13:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:13:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:13:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:13:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:13:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:13:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:13:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:13:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:13:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:13:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:13:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:13:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:13:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:13:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:13:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:13:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:13:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:13:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:13:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:13:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:13:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:13:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:13:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:13:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:13:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:13:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:13:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:13:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:13:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:13:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:13:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:13:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:13:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:37,880 INFO L134 CoverageAnalysis]: Checked inductivity of 9480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9480 trivial. 0 not checked. [2022-01-31 23:13:37,880 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:13:37,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [308396662] [2022-01-31 23:13:37,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [308396662] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:13:37,880 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:13:37,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [84] imperfect sequences [] total 84 [2022-01-31 23:13:37,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108170534] [2022-01-31 23:13:37,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:13:37,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2022-01-31 23:13:37,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:13:37,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2022-01-31 23:13:37,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3405, Invalid=3567, Unknown=0, NotChecked=0, Total=6972 [2022-01-31 23:13:37,883 INFO L87 Difference]: Start difference. First operand 502 states and 663 transitions. Second operand has 84 states, 84 states have (on average 4.904761904761905) internal successors, (412), 83 states have internal predecessors, (412), 82 states have call successors, (83), 3 states have call predecessors, (83), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2022-01-31 23:13:39,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:13:39,697 INFO L93 Difference]: Finished difference Result 930 states and 1259 transitions. [2022-01-31 23:13:39,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-01-31 23:13:39,697 INFO L78 Accepts]: Start accepts. Automaton has has 84 states, 84 states have (on average 4.904761904761905) internal successors, (412), 83 states have internal predecessors, (412), 82 states have call successors, (83), 3 states have call predecessors, (83), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) Word has length 734 [2022-01-31 23:13:39,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:13:39,700 INFO L225 Difference]: With dead ends: 930 [2022-01-31 23:13:39,700 INFO L226 Difference]: Without dead ends: 918 [2022-01-31 23:13:39,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=3489, Invalid=3651, Unknown=0, NotChecked=0, Total=7140 [2022-01-31 23:13:39,701 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 1818 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 848 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1900 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 2202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 848 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-31 23:13:39,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1900 Valid, 729 Invalid, 2202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [848 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-31 23:13:39,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2022-01-31 23:13:39,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 508. [2022-01-31 23:13:39,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 420 states have (on average 1.2) internal successors, (504), 420 states have internal predecessors, (504), 84 states have call successors, (84), 4 states have call predecessors, (84), 3 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-01-31 23:13:39,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 671 transitions. [2022-01-31 23:13:39,714 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 671 transitions. Word has length 734 [2022-01-31 23:13:39,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:13:39,714 INFO L470 AbstractCegarLoop]: Abstraction has 508 states and 671 transitions. [2022-01-31 23:13:39,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 4.904761904761905) internal successors, (412), 83 states have internal predecessors, (412), 82 states have call successors, (83), 3 states have call predecessors, (83), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2022-01-31 23:13:39,715 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 671 transitions. [2022-01-31 23:13:39,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 744 [2022-01-31 23:13:39,718 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:13:39,718 INFO L514 BasicCegarLoop]: trace histogram [81, 81, 81, 81, 81, 81, 81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:13:39,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-01-31 23:13:39,718 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:13:39,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:13:39,718 INFO L85 PathProgramCache]: Analyzing trace with hash -921187486, now seen corresponding path program 81 times [2022-01-31 23:13:39,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:13:39,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1131946102] [2022-01-31 23:13:39,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:13:39,722 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:13:39,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:13:39,771 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:13:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:13:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:13:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:13:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:13:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:13:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:13:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:13:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:13:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:13:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:13:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:13:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:13:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:13:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:13:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:13:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:13:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:13:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:13:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:13:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:13:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:13:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:13:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:13:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:13:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:13:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:13:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:13:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:13:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:13:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:13:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:13:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:13:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:13:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:13:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:13:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:13:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:13:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:13:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:13:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:13:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:13:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:13:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:13:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:13:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:13:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:13:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:13:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:13:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:13:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:13:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:13:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:13:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:13:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:13:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:13:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:13:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:13:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:13:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:13:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:13:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:13:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:13:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:13:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:13:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:13:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:13:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:13:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:13:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:13:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:13:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:13:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:13:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:13:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:13:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:13:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:13:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:13:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:13:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:13:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:13:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:13:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:13:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:42,620 INFO L134 CoverageAnalysis]: Checked inductivity of 9720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9720 trivial. 0 not checked. [2022-01-31 23:13:42,620 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:13:42,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1131946102] [2022-01-31 23:13:42,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1131946102] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:13:42,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:13:42,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [85] imperfect sequences [] total 85 [2022-01-31 23:13:42,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892640033] [2022-01-31 23:13:42,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:13:42,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2022-01-31 23:13:42,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:13:42,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2022-01-31 23:13:42,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3488, Invalid=3652, Unknown=0, NotChecked=0, Total=7140 [2022-01-31 23:13:42,623 INFO L87 Difference]: Start difference. First operand 508 states and 671 transitions. Second operand has 85 states, 85 states have (on average 4.905882352941177) internal successors, (417), 84 states have internal predecessors, (417), 83 states have call successors, (84), 3 states have call predecessors, (84), 1 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2022-01-31 23:13:44,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:13:44,636 INFO L93 Difference]: Finished difference Result 941 states and 1274 transitions. [2022-01-31 23:13:44,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-01-31 23:13:44,636 INFO L78 Accepts]: Start accepts. Automaton has has 85 states, 85 states have (on average 4.905882352941177) internal successors, (417), 84 states have internal predecessors, (417), 83 states have call successors, (84), 3 states have call predecessors, (84), 1 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) Word has length 743 [2022-01-31 23:13:44,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:13:44,639 INFO L225 Difference]: With dead ends: 941 [2022-01-31 23:13:44,639 INFO L226 Difference]: Without dead ends: 929 [2022-01-31 23:13:44,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=3573, Invalid=3737, Unknown=0, NotChecked=0, Total=7310 [2022-01-31 23:13:44,640 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 1868 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 1301 mSolverCounterSat, 872 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 2173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 872 IncrementalHoareTripleChecker+Valid, 1301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:13:44,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1951 Valid, 745 Invalid, 2173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [872 Valid, 1301 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-31 23:13:44,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2022-01-31 23:13:44,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 514. [2022-01-31 23:13:44,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 425 states have (on average 1.2) internal successors, (510), 425 states have internal predecessors, (510), 85 states have call successors, (85), 4 states have call predecessors, (85), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-01-31 23:13:44,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 679 transitions. [2022-01-31 23:13:44,657 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 679 transitions. Word has length 743 [2022-01-31 23:13:44,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:13:44,657 INFO L470 AbstractCegarLoop]: Abstraction has 514 states and 679 transitions. [2022-01-31 23:13:44,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 4.905882352941177) internal successors, (417), 84 states have internal predecessors, (417), 83 states have call successors, (84), 3 states have call predecessors, (84), 1 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2022-01-31 23:13:44,658 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 679 transitions. [2022-01-31 23:13:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 753 [2022-01-31 23:13:44,662 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:13:44,662 INFO L514 BasicCegarLoop]: trace histogram [82, 82, 82, 82, 82, 82, 82, 82, 82, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:13:44,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-01-31 23:13:44,663 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:13:44,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:13:44,663 INFO L85 PathProgramCache]: Analyzing trace with hash 796602148, now seen corresponding path program 82 times [2022-01-31 23:13:44,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:13:44,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2111821570] [2022-01-31 23:13:44,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:13:44,667 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:13:44,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:13:44,733 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:13:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:13:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:13:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:13:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:13:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:13:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:13:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:13:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:13:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:13:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:13:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:13:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:13:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:13:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:13:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:13:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:13:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:13:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:13:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:13:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:13:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:13:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:13:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:13:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:13:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:13:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:13:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:13:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:13:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:13:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:13:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:13:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:13:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:13:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:13:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:13:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:13:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:13:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:13:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:13:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:13:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:13:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:13:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:13:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:13:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:13:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:13:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:13:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:13:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:13:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:13:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:13:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:13:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:13:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:13:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:13:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:13:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:13:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:13:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:13:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:13:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:13:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:13:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:13:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:13:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:13:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:13:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:13:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:13:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:13:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:13:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:13:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:13:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:13:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:13:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:13:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:13:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:13:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:13:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:13:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:13:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:13:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:13:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:13:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 9963 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9963 trivial. 0 not checked. [2022-01-31 23:13:47,590 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:13:47,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2111821570] [2022-01-31 23:13:47,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2111821570] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:13:47,590 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:13:47,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [86] imperfect sequences [] total 86 [2022-01-31 23:13:47,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764184659] [2022-01-31 23:13:47,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:13:47,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-01-31 23:13:47,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:13:47,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-01-31 23:13:47,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3572, Invalid=3738, Unknown=0, NotChecked=0, Total=7310 [2022-01-31 23:13:47,594 INFO L87 Difference]: Start difference. First operand 514 states and 679 transitions. Second operand has 86 states, 86 states have (on average 4.906976744186046) internal successors, (422), 85 states have internal predecessors, (422), 84 states have call successors, (85), 3 states have call predecessors, (85), 1 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-01-31 23:13:49,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:13:49,501 INFO L93 Difference]: Finished difference Result 952 states and 1289 transitions. [2022-01-31 23:13:49,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-01-31 23:13:49,501 INFO L78 Accepts]: Start accepts. Automaton has has 86 states, 86 states have (on average 4.906976744186046) internal successors, (422), 85 states have internal predecessors, (422), 84 states have call successors, (85), 3 states have call predecessors, (85), 1 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Word has length 752 [2022-01-31 23:13:49,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:13:49,503 INFO L225 Difference]: With dead ends: 952 [2022-01-31 23:13:49,504 INFO L226 Difference]: Without dead ends: 940 [2022-01-31 23:13:49,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=3658, Invalid=3824, Unknown=0, NotChecked=0, Total=7482 [2022-01-31 23:13:49,505 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 1745 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 1350 mSolverCounterSat, 818 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1829 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 2168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 818 IncrementalHoareTripleChecker+Valid, 1350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:13:49,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1829 Valid, 779 Invalid, 2168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [818 Valid, 1350 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-31 23:13:49,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2022-01-31 23:13:49,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 520. [2022-01-31 23:13:49,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 430 states have (on average 1.2) internal successors, (516), 430 states have internal predecessors, (516), 86 states have call successors, (86), 4 states have call predecessors, (86), 3 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2022-01-31 23:13:49,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 687 transitions. [2022-01-31 23:13:49,522 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 687 transitions. Word has length 752 [2022-01-31 23:13:49,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:13:49,522 INFO L470 AbstractCegarLoop]: Abstraction has 520 states and 687 transitions. [2022-01-31 23:13:49,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 4.906976744186046) internal successors, (422), 85 states have internal predecessors, (422), 84 states have call successors, (85), 3 states have call predecessors, (85), 1 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-01-31 23:13:49,523 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 687 transitions. [2022-01-31 23:13:49,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 762 [2022-01-31 23:13:49,527 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:13:49,528 INFO L514 BasicCegarLoop]: trace histogram [83, 83, 83, 83, 83, 83, 83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:13:49,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-01-31 23:13:49,528 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:13:49,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:13:49,528 INFO L85 PathProgramCache]: Analyzing trace with hash -824253022, now seen corresponding path program 83 times [2022-01-31 23:13:49,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:13:49,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1068438467] [2022-01-31 23:13:49,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:13:49,533 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:13:49,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:13:49,604 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:13:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:13:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:13:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:13:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:13:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:13:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:13:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:13:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:13:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:13:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:13:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:13:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:13:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:13:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:13:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:13:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:13:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:13:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:13:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:13:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:13:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:13:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:13:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:13:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:13:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:13:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:13:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:13:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:13:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:13:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:13:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:13:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:13:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:13:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:13:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:13:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:13:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:13:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:13:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:13:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:13:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:13:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:13:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:13:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:13:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:13:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:13:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:13:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:13:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:13:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:13:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:13:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:13:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:13:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:13:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:13:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:13:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:13:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:13:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:13:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:13:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:13:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:13:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:13:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:13:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:13:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:13:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:13:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:13:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:13:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:13:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:13:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:13:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:13:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:13:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:13:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:13:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:13:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:13:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:13:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:13:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:13:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:13:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:13:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:13:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:52,572 INFO L134 CoverageAnalysis]: Checked inductivity of 10209 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10209 trivial. 0 not checked. [2022-01-31 23:13:52,572 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:13:52,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1068438467] [2022-01-31 23:13:52,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1068438467] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:13:52,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:13:52,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [87] imperfect sequences [] total 87 [2022-01-31 23:13:52,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169030730] [2022-01-31 23:13:52,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:13:52,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2022-01-31 23:13:52,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:13:52,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2022-01-31 23:13:52,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3657, Invalid=3825, Unknown=0, NotChecked=0, Total=7482 [2022-01-31 23:13:52,576 INFO L87 Difference]: Start difference. First operand 520 states and 687 transitions. Second operand has 87 states, 87 states have (on average 4.908045977011494) internal successors, (427), 86 states have internal predecessors, (427), 85 states have call successors, (86), 3 states have call predecessors, (86), 1 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-01-31 23:13:54,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:13:54,566 INFO L93 Difference]: Finished difference Result 963 states and 1304 transitions. [2022-01-31 23:13:54,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-01-31 23:13:54,567 INFO L78 Accepts]: Start accepts. Automaton has has 87 states, 87 states have (on average 4.908045977011494) internal successors, (427), 86 states have internal predecessors, (427), 85 states have call successors, (86), 3 states have call predecessors, (86), 1 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) Word has length 761 [2022-01-31 23:13:54,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:13:54,569 INFO L225 Difference]: With dead ends: 963 [2022-01-31 23:13:54,570 INFO L226 Difference]: Without dead ends: 951 [2022-01-31 23:13:54,570 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=3744, Invalid=3912, Unknown=0, NotChecked=0, Total=7656 [2022-01-31 23:13:54,571 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 1608 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1693 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 2183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 744 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:13:54,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1693 Valid, 780 Invalid, 2183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [744 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-31 23:13:54,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2022-01-31 23:13:54,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 526. [2022-01-31 23:13:54,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 435 states have (on average 1.2) internal successors, (522), 435 states have internal predecessors, (522), 87 states have call successors, (87), 4 states have call predecessors, (87), 3 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2022-01-31 23:13:54,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 695 transitions. [2022-01-31 23:13:54,584 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 695 transitions. Word has length 761 [2022-01-31 23:13:54,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:13:54,584 INFO L470 AbstractCegarLoop]: Abstraction has 526 states and 695 transitions. [2022-01-31 23:13:54,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 4.908045977011494) internal successors, (427), 86 states have internal predecessors, (427), 85 states have call successors, (86), 3 states have call predecessors, (86), 1 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-01-31 23:13:54,585 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 695 transitions. [2022-01-31 23:13:54,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2022-01-31 23:13:54,589 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:13:54,589 INFO L514 BasicCegarLoop]: trace histogram [84, 84, 84, 84, 84, 84, 84, 84, 84, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:13:54,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-01-31 23:13:54,590 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:13:54,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:13:54,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1097702628, now seen corresponding path program 84 times [2022-01-31 23:13:54,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:13:54,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665347665] [2022-01-31 23:13:54,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:13:54,596 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:13:54,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:13:54,646 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:13:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:13:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:13:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:13:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:13:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:13:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:13:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:13:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:13:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:13:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:13:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:13:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:13:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:13:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:13:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:13:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:13:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:13:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:13:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:13:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:13:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:13:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:13:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:13:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:13:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:13:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:13:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:13:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:13:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:13:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:13:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:13:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:13:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:13:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:13:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:13:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:13:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:13:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:13:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:13:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:13:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:13:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:13:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:13:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:13:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:13:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:13:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:13:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:13:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:13:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:13:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:13:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:13:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:13:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:13:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:13:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:13:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:13:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:13:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:13:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:13:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:13:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:13:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:13:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:13:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:13:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:13:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:13:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:13:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:13:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:13:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:13:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:13:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:13:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:13:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:13:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:13:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:13:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:13:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:13:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:13:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:13:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:13:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:13:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:13:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:13:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:13:57,550 INFO L134 CoverageAnalysis]: Checked inductivity of 10458 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10458 trivial. 0 not checked. [2022-01-31 23:13:57,550 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:13:57,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [665347665] [2022-01-31 23:13:57,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [665347665] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:13:57,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:13:57,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [88] imperfect sequences [] total 88 [2022-01-31 23:13:57,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604084761] [2022-01-31 23:13:57,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:13:57,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2022-01-31 23:13:57,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:13:57,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2022-01-31 23:13:57,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3743, Invalid=3913, Unknown=0, NotChecked=0, Total=7656 [2022-01-31 23:13:57,553 INFO L87 Difference]: Start difference. First operand 526 states and 695 transitions. Second operand has 88 states, 88 states have (on average 4.909090909090909) internal successors, (432), 87 states have internal predecessors, (432), 86 states have call successors, (87), 3 states have call predecessors, (87), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2022-01-31 23:13:59,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:13:59,555 INFO L93 Difference]: Finished difference Result 974 states and 1319 transitions. [2022-01-31 23:13:59,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-01-31 23:13:59,555 INFO L78 Accepts]: Start accepts. Automaton has has 88 states, 88 states have (on average 4.909090909090909) internal successors, (432), 87 states have internal predecessors, (432), 86 states have call successors, (87), 3 states have call predecessors, (87), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) Word has length 770 [2022-01-31 23:13:59,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:13:59,559 INFO L225 Difference]: With dead ends: 974 [2022-01-31 23:13:59,559 INFO L226 Difference]: Without dead ends: 962 [2022-01-31 23:13:59,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=3831, Invalid=4001, Unknown=0, NotChecked=0, Total=7832 [2022-01-31 23:13:59,560 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 1929 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 904 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 904 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:13:59,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2015 Valid, 767 Invalid, 2210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [904 Valid, 1306 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-31 23:13:59,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2022-01-31 23:13:59,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 532. [2022-01-31 23:13:59,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 440 states have (on average 1.2) internal successors, (528), 440 states have internal predecessors, (528), 88 states have call successors, (88), 4 states have call predecessors, (88), 3 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2022-01-31 23:13:59,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 703 transitions. [2022-01-31 23:13:59,577 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 703 transitions. Word has length 770 [2022-01-31 23:13:59,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:13:59,578 INFO L470 AbstractCegarLoop]: Abstraction has 532 states and 703 transitions. [2022-01-31 23:13:59,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 4.909090909090909) internal successors, (432), 87 states have internal predecessors, (432), 86 states have call successors, (87), 3 states have call predecessors, (87), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2022-01-31 23:13:59,578 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 703 transitions. [2022-01-31 23:13:59,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2022-01-31 23:13:59,583 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:13:59,583 INFO L514 BasicCegarLoop]: trace histogram [85, 85, 85, 85, 85, 85, 85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:13:59,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-01-31 23:13:59,584 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:13:59,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:13:59,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1231810530, now seen corresponding path program 85 times [2022-01-31 23:13:59,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:13:59,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069176244] [2022-01-31 23:13:59,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:13:59,588 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:13:59,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:13:59,654 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:13:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:14:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:14:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:14:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:14:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:14:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:14:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:14:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:14:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:14:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:14:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:14:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:14:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:14:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:14:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:14:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:14:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:14:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:14:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:14:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:14:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:14:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:14:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:14:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:14:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:14:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:14:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:14:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:14:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:14:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:14:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:14:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:14:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:14:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:14:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:14:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:14:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:14:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:14:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:14:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:14:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:14:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:14:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:14:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:14:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:14:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:14:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:14:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:14:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:14:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:14:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:14:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:14:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:14:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:14:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:14:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:14:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:14:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:14:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:14:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:14:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:14:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:14:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:14:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:14:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:14:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:14:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:14:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:14:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:14:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:14:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:14:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:14:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:14:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:14:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:14:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:14:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:14:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:14:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:14:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:14:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:14:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:14:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:14:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:14:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:14:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:14:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:02,701 INFO L134 CoverageAnalysis]: Checked inductivity of 10710 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10710 trivial. 0 not checked. [2022-01-31 23:14:02,701 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:14:02,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069176244] [2022-01-31 23:14:02,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2069176244] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:14:02,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:14:02,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [89] imperfect sequences [] total 89 [2022-01-31 23:14:02,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105824462] [2022-01-31 23:14:02,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:14:02,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2022-01-31 23:14:02,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:14:02,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2022-01-31 23:14:02,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3830, Invalid=4002, Unknown=0, NotChecked=0, Total=7832 [2022-01-31 23:14:02,705 INFO L87 Difference]: Start difference. First operand 532 states and 703 transitions. Second operand has 89 states, 89 states have (on average 4.910112359550562) internal successors, (437), 88 states have internal predecessors, (437), 87 states have call successors, (88), 3 states have call predecessors, (88), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2022-01-31 23:14:04,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:14:04,844 INFO L93 Difference]: Finished difference Result 985 states and 1334 transitions. [2022-01-31 23:14:04,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-01-31 23:14:04,845 INFO L78 Accepts]: Start accepts. Automaton has has 89 states, 89 states have (on average 4.910112359550562) internal successors, (437), 88 states have internal predecessors, (437), 87 states have call successors, (88), 3 states have call predecessors, (88), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Word has length 779 [2022-01-31 23:14:04,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:14:04,847 INFO L225 Difference]: With dead ends: 985 [2022-01-31 23:14:04,847 INFO L226 Difference]: Without dead ends: 973 [2022-01-31 23:14:04,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=3919, Invalid=4091, Unknown=0, NotChecked=0, Total=8010 [2022-01-31 23:14:04,848 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 1640 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 1475 mSolverCounterSat, 756 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1727 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 2231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 756 IncrementalHoareTripleChecker+Valid, 1475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:14:04,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1727 Valid, 791 Invalid, 2231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [756 Valid, 1475 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-31 23:14:04,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2022-01-31 23:14:04,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 538. [2022-01-31 23:14:04,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 445 states have (on average 1.2) internal successors, (534), 445 states have internal predecessors, (534), 89 states have call successors, (89), 4 states have call predecessors, (89), 3 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2022-01-31 23:14:04,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 711 transitions. [2022-01-31 23:14:04,864 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 711 transitions. Word has length 779 [2022-01-31 23:14:04,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:14:04,865 INFO L470 AbstractCegarLoop]: Abstraction has 538 states and 711 transitions. [2022-01-31 23:14:04,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 4.910112359550562) internal successors, (437), 88 states have internal predecessors, (437), 87 states have call successors, (88), 3 states have call predecessors, (88), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2022-01-31 23:14:04,865 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 711 transitions. [2022-01-31 23:14:04,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 789 [2022-01-31 23:14:04,870 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:14:04,870 INFO L514 BasicCegarLoop]: trace histogram [86, 86, 86, 86, 86, 86, 86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:14:04,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-01-31 23:14:04,871 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:14:04,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:14:04,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1179130532, now seen corresponding path program 86 times [2022-01-31 23:14:04,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:14:04,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1739067963] [2022-01-31 23:14:04,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:14:04,876 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:14:04,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:14:04,929 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:14:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:14:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:14:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:14:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:14:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:14:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:14:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:14:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:14:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:14:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:14:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:14:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:14:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:14:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:14:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:14:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:14:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:14:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:14:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:14:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:14:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:14:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:14:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:14:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:14:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:14:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:14:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:14:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:14:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:14:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:14:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:14:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:14:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:14:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:14:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:14:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:14:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:14:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:14:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:14:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:14:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:14:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:14:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:14:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:14:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:14:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:14:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:14:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:14:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:14:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:14:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:14:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:14:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:14:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:14:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:14:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:14:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:14:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:14:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:14:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:14:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:14:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:14:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:14:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:14:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:14:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:14:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:14:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:14:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:14:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:14:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:14:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:14:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:14:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:14:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:14:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:14:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:14:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:14:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:14:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:14:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:14:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:14:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:14:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:14:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:14:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:14:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:14:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:07,950 INFO L134 CoverageAnalysis]: Checked inductivity of 10965 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10965 trivial. 0 not checked. [2022-01-31 23:14:07,950 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:14:07,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1739067963] [2022-01-31 23:14:07,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1739067963] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:14:07,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:14:07,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [90] imperfect sequences [] total 90 [2022-01-31 23:14:07,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31464946] [2022-01-31 23:14:07,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:14:07,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2022-01-31 23:14:07,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:14:07,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2022-01-31 23:14:07,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3918, Invalid=4092, Unknown=0, NotChecked=0, Total=8010 [2022-01-31 23:14:07,954 INFO L87 Difference]: Start difference. First operand 538 states and 711 transitions. Second operand has 90 states, 90 states have (on average 4.911111111111111) internal successors, (442), 89 states have internal predecessors, (442), 88 states have call successors, (89), 3 states have call predecessors, (89), 1 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2022-01-31 23:14:10,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:14:10,437 INFO L93 Difference]: Finished difference Result 996 states and 1349 transitions. [2022-01-31 23:14:10,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-01-31 23:14:10,438 INFO L78 Accepts]: Start accepts. Automaton has has 90 states, 90 states have (on average 4.911111111111111) internal successors, (442), 89 states have internal predecessors, (442), 88 states have call successors, (89), 3 states have call predecessors, (89), 1 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) Word has length 788 [2022-01-31 23:14:10,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:14:10,440 INFO L225 Difference]: With dead ends: 996 [2022-01-31 23:14:10,440 INFO L226 Difference]: Without dead ends: 984 [2022-01-31 23:14:10,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=4008, Invalid=4182, Unknown=0, NotChecked=0, Total=8190 [2022-01-31 23:14:10,442 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 1762 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 1950 mSolverCounterSat, 813 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1850 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 2763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 813 IncrementalHoareTripleChecker+Valid, 1950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-31 23:14:10,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1850 Valid, 805 Invalid, 2763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [813 Valid, 1950 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-31 23:14:10,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2022-01-31 23:14:10,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 544. [2022-01-31 23:14:10,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 450 states have (on average 1.2) internal successors, (540), 450 states have internal predecessors, (540), 90 states have call successors, (90), 4 states have call predecessors, (90), 3 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2022-01-31 23:14:10,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 719 transitions. [2022-01-31 23:14:10,459 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 719 transitions. Word has length 788 [2022-01-31 23:14:10,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:14:10,459 INFO L470 AbstractCegarLoop]: Abstraction has 544 states and 719 transitions. [2022-01-31 23:14:10,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 4.911111111111111) internal successors, (442), 89 states have internal predecessors, (442), 88 states have call successors, (89), 3 states have call predecessors, (89), 1 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2022-01-31 23:14:10,460 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 719 transitions. [2022-01-31 23:14:10,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 798 [2022-01-31 23:14:10,465 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:14:10,465 INFO L514 BasicCegarLoop]: trace histogram [87, 87, 87, 87, 87, 87, 87, 87, 87, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:14:10,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-01-31 23:14:10,465 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:14:10,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:14:10,465 INFO L85 PathProgramCache]: Analyzing trace with hash 757262882, now seen corresponding path program 87 times [2022-01-31 23:14:10,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:14:10,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [657492450] [2022-01-31 23:14:10,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:14:10,473 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:14:10,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:14:10,540 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:14:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:14:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:14:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:14:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:14:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:14:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:14:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:14:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:14:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:14:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:14:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:14:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:14:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:14:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:14:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:14:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:14:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:14:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:14:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:14:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:14:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:14:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:14:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:14:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:14:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:14:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:14:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:14:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:14:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:14:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:14:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:14:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:14:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:14:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:14:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:14:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:14:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:14:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:14:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:14:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:14:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:14:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:14:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:14:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:14:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:14:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:14:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:14:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:14:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:14:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:14:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:14:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:14:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:14:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:14:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:14:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:14:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:14:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:14:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:14:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:14:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:14:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:14:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:14:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:14:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:14:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:14:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:14:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:14:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:14:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:14:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:14:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:14:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:14:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:14:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:14:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:14:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:14:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:14:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:14:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:14:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:14:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:14:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:14:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:14:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:14:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:14:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:14:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:14:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:13,707 INFO L134 CoverageAnalysis]: Checked inductivity of 11223 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11223 trivial. 0 not checked. [2022-01-31 23:14:13,707 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:14:13,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [657492450] [2022-01-31 23:14:13,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [657492450] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:14:13,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:14:13,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [91] imperfect sequences [] total 91 [2022-01-31 23:14:13,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136168956] [2022-01-31 23:14:13,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:14:13,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2022-01-31 23:14:13,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:14:13,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2022-01-31 23:14:13,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4007, Invalid=4183, Unknown=0, NotChecked=0, Total=8190 [2022-01-31 23:14:13,710 INFO L87 Difference]: Start difference. First operand 544 states and 719 transitions. Second operand has 91 states, 91 states have (on average 4.912087912087912) internal successors, (447), 90 states have internal predecessors, (447), 89 states have call successors, (90), 3 states have call predecessors, (90), 1 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2022-01-31 23:14:15,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:14:15,934 INFO L93 Difference]: Finished difference Result 1007 states and 1364 transitions. [2022-01-31 23:14:15,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-01-31 23:14:15,934 INFO L78 Accepts]: Start accepts. Automaton has has 91 states, 91 states have (on average 4.912087912087912) internal successors, (447), 90 states have internal predecessors, (447), 89 states have call successors, (90), 3 states have call predecessors, (90), 1 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) Word has length 797 [2022-01-31 23:14:15,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:14:15,936 INFO L225 Difference]: With dead ends: 1007 [2022-01-31 23:14:15,936 INFO L226 Difference]: Without dead ends: 995 [2022-01-31 23:14:15,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=4098, Invalid=4274, Unknown=0, NotChecked=0, Total=8372 [2022-01-31 23:14:15,937 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 1711 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 1459 mSolverCounterSat, 789 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1800 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 2248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 789 IncrementalHoareTripleChecker+Valid, 1459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:14:15,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1800 Valid, 817 Invalid, 2248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [789 Valid, 1459 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-31 23:14:15,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2022-01-31 23:14:15,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 550. [2022-01-31 23:14:15,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 455 states have (on average 1.2) internal successors, (546), 455 states have internal predecessors, (546), 91 states have call successors, (91), 4 states have call predecessors, (91), 3 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2022-01-31 23:14:15,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 727 transitions. [2022-01-31 23:14:15,951 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 727 transitions. Word has length 797 [2022-01-31 23:14:15,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:14:15,952 INFO L470 AbstractCegarLoop]: Abstraction has 550 states and 727 transitions. [2022-01-31 23:14:15,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 4.912087912087912) internal successors, (447), 90 states have internal predecessors, (447), 89 states have call successors, (90), 3 states have call predecessors, (90), 1 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2022-01-31 23:14:15,956 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 727 transitions. [2022-01-31 23:14:15,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 807 [2022-01-31 23:14:15,960 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:14:15,961 INFO L514 BasicCegarLoop]: trace histogram [88, 88, 88, 88, 88, 88, 88, 88, 88, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:14:15,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-01-31 23:14:15,961 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:14:15,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:14:15,961 INFO L85 PathProgramCache]: Analyzing trace with hash -98129820, now seen corresponding path program 88 times [2022-01-31 23:14:15,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:14:15,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868147704] [2022-01-31 23:14:15,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:14:15,965 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:14:15,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:14:16,016 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:14:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:14:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:14:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:14:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:14:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:14:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:14:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:14:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:14:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:14:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:14:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:14:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:14:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:14:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:14:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:14:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:14:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:14:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:14:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:14:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:14:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:14:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:14:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:14:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:14:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:14:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:14:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:14:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:14:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:14:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:14:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:14:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:14:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:14:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:14:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:14:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:14:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:14:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:14:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:14:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:14:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:14:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:14:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:14:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:14:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:14:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:14:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:14:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:14:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:14:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:14:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:14:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:14:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:14:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:14:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:14:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:14:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:14:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:14:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:14:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:14:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:14:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:14:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:14:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:14:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:14:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:14:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:14:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:14:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:14:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:14:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:14:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:14:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:14:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:14:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:14:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:14:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:14:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:14:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:14:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:14:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:14:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:14:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:14:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:14:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:14:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:14:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:14:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:14:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:14:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:19,173 INFO L134 CoverageAnalysis]: Checked inductivity of 11484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11484 trivial. 0 not checked. [2022-01-31 23:14:19,173 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:14:19,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868147704] [2022-01-31 23:14:19,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [868147704] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:14:19,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:14:19,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [92] imperfect sequences [] total 92 [2022-01-31 23:14:19,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573916342] [2022-01-31 23:14:19,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:14:19,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2022-01-31 23:14:19,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:14:19,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2022-01-31 23:14:19,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4097, Invalid=4275, Unknown=0, NotChecked=0, Total=8372 [2022-01-31 23:14:19,177 INFO L87 Difference]: Start difference. First operand 550 states and 727 transitions. Second operand has 92 states, 92 states have (on average 4.913043478260869) internal successors, (452), 91 states have internal predecessors, (452), 90 states have call successors, (91), 3 states have call predecessors, (91), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2022-01-31 23:14:21,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:14:21,550 INFO L93 Difference]: Finished difference Result 1018 states and 1379 transitions. [2022-01-31 23:14:21,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-01-31 23:14:21,551 INFO L78 Accepts]: Start accepts. Automaton has has 92 states, 92 states have (on average 4.913043478260869) internal successors, (452), 91 states have internal predecessors, (452), 90 states have call successors, (91), 3 states have call predecessors, (91), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) Word has length 806 [2022-01-31 23:14:21,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:14:21,554 INFO L225 Difference]: With dead ends: 1018 [2022-01-31 23:14:21,554 INFO L226 Difference]: Without dead ends: 1006 [2022-01-31 23:14:21,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=4189, Invalid=4367, Unknown=0, NotChecked=0, Total=8556 [2022-01-31 23:14:21,555 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 1614 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 1680 mSolverCounterSat, 741 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1704 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 2421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 741 IncrementalHoareTripleChecker+Valid, 1680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:14:21,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1704 Valid, 831 Invalid, 2421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [741 Valid, 1680 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-31 23:14:21,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2022-01-31 23:14:21,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 556. [2022-01-31 23:14:21,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 460 states have (on average 1.2) internal successors, (552), 460 states have internal predecessors, (552), 92 states have call successors, (92), 4 states have call predecessors, (92), 3 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2022-01-31 23:14:21,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 735 transitions. [2022-01-31 23:14:21,573 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 735 transitions. Word has length 806 [2022-01-31 23:14:21,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:14:21,574 INFO L470 AbstractCegarLoop]: Abstraction has 556 states and 735 transitions. [2022-01-31 23:14:21,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 4.913043478260869) internal successors, (452), 91 states have internal predecessors, (452), 90 states have call successors, (91), 3 states have call predecessors, (91), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2022-01-31 23:14:21,574 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 735 transitions. [2022-01-31 23:14:21,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2022-01-31 23:14:21,641 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:14:21,641 INFO L514 BasicCegarLoop]: trace histogram [89, 89, 89, 89, 89, 89, 89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:14:21,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-01-31 23:14:21,642 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:14:21,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:14:21,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1654139806, now seen corresponding path program 89 times [2022-01-31 23:14:21,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:14:21,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775175378] [2022-01-31 23:14:21,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:14:21,646 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:14:21,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:14:21,702 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:14:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:14:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:14:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:14:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:14:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:14:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:14:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:14:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:14:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:14:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:14:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:14:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:14:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:14:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:14:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:14:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:14:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:14:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:14:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:14:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:14:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:14:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:14:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:14:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:14:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:14:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:14:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:14:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:14:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:14:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:14:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:14:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:14:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:14:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:14:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:14:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:14:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:14:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:14:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:14:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:14:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:14:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:14:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:14:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:14:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:14:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:14:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:14:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:14:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:14:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:14:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:14:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:14:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:14:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:14:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:14:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:14:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:14:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:14:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:14:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:14:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:14:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:14:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:14:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:14:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:14:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:14:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:14:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:14:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:14:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:14:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:14:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:14:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:14:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:14:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:14:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:14:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:14:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:14:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:14:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:14:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:14:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:14:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:14:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:14:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:14:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:14:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:14:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:14:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:14:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:14:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:24,875 INFO L134 CoverageAnalysis]: Checked inductivity of 11748 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11748 trivial. 0 not checked. [2022-01-31 23:14:24,875 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:14:24,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775175378] [2022-01-31 23:14:24,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [775175378] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:14:24,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:14:24,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [93] imperfect sequences [] total 93 [2022-01-31 23:14:24,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135773647] [2022-01-31 23:14:24,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:14:24,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2022-01-31 23:14:24,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:14:24,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2022-01-31 23:14:24,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4188, Invalid=4368, Unknown=0, NotChecked=0, Total=8556 [2022-01-31 23:14:24,878 INFO L87 Difference]: Start difference. First operand 556 states and 735 transitions. Second operand has 93 states, 93 states have (on average 4.913978494623656) internal successors, (457), 92 states have internal predecessors, (457), 91 states have call successors, (92), 3 states have call predecessors, (92), 1 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2022-01-31 23:14:27,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:14:27,180 INFO L93 Difference]: Finished difference Result 1029 states and 1394 transitions. [2022-01-31 23:14:27,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-01-31 23:14:27,181 INFO L78 Accepts]: Start accepts. Automaton has has 93 states, 93 states have (on average 4.913978494623656) internal successors, (457), 92 states have internal predecessors, (457), 91 states have call successors, (92), 3 states have call predecessors, (92), 1 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) Word has length 815 [2022-01-31 23:14:27,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:14:27,184 INFO L225 Difference]: With dead ends: 1029 [2022-01-31 23:14:27,184 INFO L226 Difference]: Without dead ends: 1017 [2022-01-31 23:14:27,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=4281, Invalid=4461, Unknown=0, NotChecked=0, Total=8742 [2022-01-31 23:14:27,185 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 1813 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 1393 mSolverCounterSat, 832 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1904 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 2225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 832 IncrementalHoareTripleChecker+Valid, 1393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:14:27,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1904 Valid, 807 Invalid, 2225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [832 Valid, 1393 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-31 23:14:27,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2022-01-31 23:14:27,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 562. [2022-01-31 23:14:27,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 465 states have (on average 1.2) internal successors, (558), 465 states have internal predecessors, (558), 93 states have call successors, (93), 4 states have call predecessors, (93), 3 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2022-01-31 23:14:27,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 743 transitions. [2022-01-31 23:14:27,203 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 743 transitions. Word has length 815 [2022-01-31 23:14:27,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:14:27,204 INFO L470 AbstractCegarLoop]: Abstraction has 562 states and 743 transitions. [2022-01-31 23:14:27,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 4.913978494623656) internal successors, (457), 92 states have internal predecessors, (457), 91 states have call successors, (92), 3 states have call predecessors, (92), 1 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2022-01-31 23:14:27,204 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 743 transitions. [2022-01-31 23:14:27,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 825 [2022-01-31 23:14:27,209 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:14:27,209 INFO L514 BasicCegarLoop]: trace histogram [90, 90, 90, 90, 90, 90, 90, 90, 90, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:14:27,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-01-31 23:14:27,210 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:14:27,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:14:27,210 INFO L85 PathProgramCache]: Analyzing trace with hash -903526876, now seen corresponding path program 90 times [2022-01-31 23:14:27,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:14:27,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1061470118] [2022-01-31 23:14:27,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:14:27,214 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:14:27,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:14:27,287 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:14:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:14:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:14:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:14:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:14:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:14:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:14:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:14:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:14:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:14:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:14:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:14:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:14:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:14:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:14:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:14:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:14:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:14:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:14:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:14:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:14:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:14:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:14:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:14:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:14:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:14:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:14:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:14:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:14:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:14:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:14:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:14:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:14:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:14:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:14:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:14:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:14:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:14:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:14:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:14:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:14:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:14:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:14:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:14:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:14:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:14:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:14:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:14:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:14:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:14:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:14:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:14:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:14:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:14:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:14:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:14:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:14:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:14:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:14:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:14:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:14:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:14:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:14:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:14:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:14:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:14:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:14:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:14:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:14:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:14:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:14:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:14:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:14:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:14:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:14:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:14:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:14:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:14:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:14:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:14:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:14:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:14:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:14:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:14:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:14:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:14:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:14:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:14:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:14:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:14:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:14:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:14:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:30,673 INFO L134 CoverageAnalysis]: Checked inductivity of 12015 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12015 trivial. 0 not checked. [2022-01-31 23:14:30,674 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:14:30,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1061470118] [2022-01-31 23:14:30,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1061470118] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:14:30,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:14:30,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [94] imperfect sequences [] total 94 [2022-01-31 23:14:30,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54402743] [2022-01-31 23:14:30,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:14:30,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2022-01-31 23:14:30,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:14:30,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2022-01-31 23:14:30,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4280, Invalid=4462, Unknown=0, NotChecked=0, Total=8742 [2022-01-31 23:14:30,677 INFO L87 Difference]: Start difference. First operand 562 states and 743 transitions. Second operand has 94 states, 94 states have (on average 4.914893617021277) internal successors, (462), 93 states have internal predecessors, (462), 92 states have call successors, (93), 3 states have call predecessors, (93), 1 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2022-01-31 23:14:33,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:14:33,097 INFO L93 Difference]: Finished difference Result 1040 states and 1409 transitions. [2022-01-31 23:14:33,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-01-31 23:14:33,097 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 94 states have (on average 4.914893617021277) internal successors, (462), 93 states have internal predecessors, (462), 92 states have call successors, (93), 3 states have call predecessors, (93), 1 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) Word has length 824 [2022-01-31 23:14:33,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:14:33,099 INFO L225 Difference]: With dead ends: 1040 [2022-01-31 23:14:33,099 INFO L226 Difference]: Without dead ends: 1028 [2022-01-31 23:14:33,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=4374, Invalid=4556, Unknown=0, NotChecked=0, Total=8930 [2022-01-31 23:14:33,100 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 2032 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 1384 mSolverCounterSat, 946 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2124 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 2330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 946 IncrementalHoareTripleChecker+Valid, 1384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:14:33,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2124 Valid, 831 Invalid, 2330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [946 Valid, 1384 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-31 23:14:33,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2022-01-31 23:14:33,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 568. [2022-01-31 23:14:33,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 470 states have (on average 1.2) internal successors, (564), 470 states have internal predecessors, (564), 94 states have call successors, (94), 4 states have call predecessors, (94), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2022-01-31 23:14:33,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 751 transitions. [2022-01-31 23:14:33,116 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 751 transitions. Word has length 824 [2022-01-31 23:14:33,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:14:33,117 INFO L470 AbstractCegarLoop]: Abstraction has 568 states and 751 transitions. [2022-01-31 23:14:33,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 4.914893617021277) internal successors, (462), 93 states have internal predecessors, (462), 92 states have call successors, (93), 3 states have call predecessors, (93), 1 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2022-01-31 23:14:33,117 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 751 transitions. [2022-01-31 23:14:33,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 834 [2022-01-31 23:14:33,121 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:14:33,121 INFO L514 BasicCegarLoop]: trace histogram [91, 91, 91, 91, 91, 91, 91, 91, 91, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:14:33,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-01-31 23:14:33,121 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:14:33,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:14:33,122 INFO L85 PathProgramCache]: Analyzing trace with hash 748596898, now seen corresponding path program 91 times [2022-01-31 23:14:33,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:14:33,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554448792] [2022-01-31 23:14:33,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:14:33,126 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:14:33,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:14:33,192 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:14:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:14:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:14:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:14:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:14:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:14:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:14:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:14:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:14:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:14:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:14:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:14:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:14:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:14:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:14:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:14:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:14:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:14:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:14:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:14:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:14:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:14:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:14:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:14:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:14:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:14:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:14:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:14:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:14:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:14:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:14:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:14:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:14:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:14:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:14:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:14:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:14:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:14:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:14:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:14:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:14:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:14:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:14:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:14:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:14:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:14:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:14:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:14:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:14:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:14:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:14:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:14:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:14:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:14:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:14:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:14:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:14:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:14:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:14:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:14:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:14:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:14:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:14:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:14:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:14:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:14:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:14:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:14:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:14:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:14:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:14:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:14:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:14:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:14:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:14:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:14:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:14:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:14:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:14:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:14:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:14:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:14:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:14:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:14:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:14:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:14:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:14:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:14:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:14:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:14:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:14:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:14:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:14:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:36,604 INFO L134 CoverageAnalysis]: Checked inductivity of 12285 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12285 trivial. 0 not checked. [2022-01-31 23:14:36,604 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:14:36,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1554448792] [2022-01-31 23:14:36,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1554448792] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:14:36,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:14:36,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [95] imperfect sequences [] total 95 [2022-01-31 23:14:36,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767298433] [2022-01-31 23:14:36,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:14:36,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-01-31 23:14:36,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:14:36,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-01-31 23:14:36,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4373, Invalid=4557, Unknown=0, NotChecked=0, Total=8930 [2022-01-31 23:14:36,606 INFO L87 Difference]: Start difference. First operand 568 states and 751 transitions. Second operand has 95 states, 95 states have (on average 4.91578947368421) internal successors, (467), 94 states have internal predecessors, (467), 93 states have call successors, (94), 3 states have call predecessors, (94), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2022-01-31 23:14:39,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:14:39,055 INFO L93 Difference]: Finished difference Result 1051 states and 1424 transitions. [2022-01-31 23:14:39,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-01-31 23:14:39,055 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 95 states have (on average 4.91578947368421) internal successors, (467), 94 states have internal predecessors, (467), 93 states have call successors, (94), 3 states have call predecessors, (94), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) Word has length 833 [2022-01-31 23:14:39,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:14:39,057 INFO L225 Difference]: With dead ends: 1051 [2022-01-31 23:14:39,057 INFO L226 Difference]: Without dead ends: 1039 [2022-01-31 23:14:39,058 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=4468, Invalid=4652, Unknown=0, NotChecked=0, Total=9120 [2022-01-31 23:14:39,058 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 2042 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 1429 mSolverCounterSat, 947 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2135 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 2376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 947 IncrementalHoareTripleChecker+Valid, 1429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:14:39,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2135 Valid, 826 Invalid, 2376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [947 Valid, 1429 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-31 23:14:39,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2022-01-31 23:14:39,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 574. [2022-01-31 23:14:39,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 475 states have (on average 1.2) internal successors, (570), 475 states have internal predecessors, (570), 95 states have call successors, (95), 4 states have call predecessors, (95), 3 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2022-01-31 23:14:39,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 759 transitions. [2022-01-31 23:14:39,076 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 759 transitions. Word has length 833 [2022-01-31 23:14:39,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:14:39,076 INFO L470 AbstractCegarLoop]: Abstraction has 574 states and 759 transitions. [2022-01-31 23:14:39,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 4.91578947368421) internal successors, (467), 94 states have internal predecessors, (467), 93 states have call successors, (94), 3 states have call predecessors, (94), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2022-01-31 23:14:39,077 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 759 transitions. [2022-01-31 23:14:39,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843 [2022-01-31 23:14:39,082 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:14:39,083 INFO L514 BasicCegarLoop]: trace histogram [92, 92, 92, 92, 92, 92, 92, 92, 92, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:14:39,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-01-31 23:14:39,083 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:14:39,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:14:39,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1805650972, now seen corresponding path program 92 times [2022-01-31 23:14:39,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:14:39,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1042113166] [2022-01-31 23:14:39,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:14:39,087 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:14:39,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:14:39,164 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:14:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:14:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:14:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:14:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:14:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:14:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:14:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:14:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:14:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:14:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:14:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:14:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:14:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:14:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:14:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:14:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:14:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:14:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:14:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:14:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:14:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:14:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:14:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:14:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:14:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:14:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:14:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:14:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:14:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:14:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:14:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:14:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:14:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:14:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:14:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:14:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:14:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:14:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:14:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:14:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:14:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:14:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:14:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:14:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:14:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:14:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:14:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:14:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:14:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:14:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:14:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:14:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:14:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:14:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:14:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:14:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:14:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:14:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:14:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:14:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:14:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:14:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:14:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:14:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:14:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:14:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:14:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:14:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:14:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:14:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:14:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:14:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:14:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:14:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:14:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:14:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:14:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:14:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:14:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:14:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:14:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:14:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:14:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:14:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:14:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:14:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:14:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:14:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:14:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:14:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:14:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:14:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:14:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:14:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:42,648 INFO L134 CoverageAnalysis]: Checked inductivity of 12558 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12558 trivial. 0 not checked. [2022-01-31 23:14:42,649 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:14:42,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1042113166] [2022-01-31 23:14:42,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1042113166] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:14:42,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:14:42,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [96] imperfect sequences [] total 96 [2022-01-31 23:14:42,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540271498] [2022-01-31 23:14:42,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:14:42,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-01-31 23:14:42,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:14:42,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-01-31 23:14:42,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4467, Invalid=4653, Unknown=0, NotChecked=0, Total=9120 [2022-01-31 23:14:42,653 INFO L87 Difference]: Start difference. First operand 574 states and 759 transitions. Second operand has 96 states, 96 states have (on average 4.916666666666667) internal successors, (472), 95 states have internal predecessors, (472), 94 states have call successors, (95), 3 states have call predecessors, (95), 1 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2022-01-31 23:14:45,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:14:45,385 INFO L93 Difference]: Finished difference Result 1062 states and 1439 transitions. [2022-01-31 23:14:45,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-01-31 23:14:45,386 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 96 states have (on average 4.916666666666667) internal successors, (472), 95 states have internal predecessors, (472), 94 states have call successors, (95), 3 states have call predecessors, (95), 1 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) Word has length 842 [2022-01-31 23:14:45,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:14:45,388 INFO L225 Difference]: With dead ends: 1062 [2022-01-31 23:14:45,388 INFO L226 Difference]: Without dead ends: 1050 [2022-01-31 23:14:45,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=4563, Invalid=4749, Unknown=0, NotChecked=0, Total=9312 [2022-01-31 23:14:45,388 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 2267 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 1514 mSolverCounterSat, 1048 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2361 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 2562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1048 IncrementalHoareTripleChecker+Valid, 1514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:14:45,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2361 Valid, 832 Invalid, 2562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1048 Valid, 1514 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-31 23:14:45,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2022-01-31 23:14:45,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 580. [2022-01-31 23:14:45,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 480 states have (on average 1.2) internal successors, (576), 480 states have internal predecessors, (576), 96 states have call successors, (96), 4 states have call predecessors, (96), 3 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-01-31 23:14:45,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 767 transitions. [2022-01-31 23:14:45,401 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 767 transitions. Word has length 842 [2022-01-31 23:14:45,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:14:45,401 INFO L470 AbstractCegarLoop]: Abstraction has 580 states and 767 transitions. [2022-01-31 23:14:45,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 4.916666666666667) internal successors, (472), 95 states have internal predecessors, (472), 94 states have call successors, (95), 3 states have call predecessors, (95), 1 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2022-01-31 23:14:45,402 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 767 transitions. [2022-01-31 23:14:45,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 852 [2022-01-31 23:14:45,406 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:14:45,406 INFO L514 BasicCegarLoop]: trace histogram [93, 93, 93, 93, 93, 93, 93, 93, 93, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:14:45,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-01-31 23:14:45,406 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:14:45,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:14:45,406 INFO L85 PathProgramCache]: Analyzing trace with hash 472611042, now seen corresponding path program 93 times [2022-01-31 23:14:45,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:14:45,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1237219537] [2022-01-31 23:14:45,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:14:45,410 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:14:45,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:14:45,479 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:14:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:14:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:14:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:14:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:14:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:14:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:14:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:14:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:14:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:14:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:14:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:14:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:14:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:14:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:14:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:14:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:14:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:14:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:14:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:14:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:14:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:14:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:14:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:14:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:14:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:14:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:14:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:14:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:14:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:14:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:14:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:14:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:14:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:14:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:14:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:14:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:14:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:14:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:14:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:14:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:14:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:14:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:14:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:14:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:14:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:14:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:14:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:14:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:14:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:14:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:14:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:14:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:14:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:14:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:14:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:14:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:14:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:14:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:14:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:14:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:14:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:14:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:14:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:14:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:14:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:14:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:14:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:14:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:14:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:14:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:14:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:14:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:14:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:14:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:14:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:14:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:14:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:14:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:14:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:14:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:14:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:14:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:14:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:14:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:14:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:14:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:14:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:14:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:14:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:14:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:14:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:14:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:14:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:14:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:14:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:48,911 INFO L134 CoverageAnalysis]: Checked inductivity of 12834 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12834 trivial. 0 not checked. [2022-01-31 23:14:48,911 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:14:48,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1237219537] [2022-01-31 23:14:48,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1237219537] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:14:48,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:14:48,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [97] imperfect sequences [] total 97 [2022-01-31 23:14:48,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944170653] [2022-01-31 23:14:48,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:14:48,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-01-31 23:14:48,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:14:48,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-01-31 23:14:48,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4562, Invalid=4750, Unknown=0, NotChecked=0, Total=9312 [2022-01-31 23:14:48,915 INFO L87 Difference]: Start difference. First operand 580 states and 767 transitions. Second operand has 97 states, 97 states have (on average 4.917525773195877) internal successors, (477), 96 states have internal predecessors, (477), 95 states have call successors, (96), 3 states have call predecessors, (96), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2022-01-31 23:14:51,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:14:51,470 INFO L93 Difference]: Finished difference Result 1073 states and 1454 transitions. [2022-01-31 23:14:51,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-31 23:14:51,471 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 4.917525773195877) internal successors, (477), 96 states have internal predecessors, (477), 95 states have call successors, (96), 3 states have call predecessors, (96), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) Word has length 851 [2022-01-31 23:14:51,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:14:51,473 INFO L225 Difference]: With dead ends: 1073 [2022-01-31 23:14:51,473 INFO L226 Difference]: Without dead ends: 1061 [2022-01-31 23:14:51,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=4659, Invalid=4847, Unknown=0, NotChecked=0, Total=9506 [2022-01-31 23:14:51,475 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 2201 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 1417 mSolverCounterSat, 1024 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2296 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 2441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1024 IncrementalHoareTripleChecker+Valid, 1417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:14:51,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2296 Valid, 847 Invalid, 2441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1024 Valid, 1417 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-31 23:14:51,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2022-01-31 23:14:51,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 586. [2022-01-31 23:14:51,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 485 states have (on average 1.2) internal successors, (582), 485 states have internal predecessors, (582), 97 states have call successors, (97), 4 states have call predecessors, (97), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2022-01-31 23:14:51,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 775 transitions. [2022-01-31 23:14:51,494 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 775 transitions. Word has length 851 [2022-01-31 23:14:51,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:14:51,494 INFO L470 AbstractCegarLoop]: Abstraction has 586 states and 775 transitions. [2022-01-31 23:14:51,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 4.917525773195877) internal successors, (477), 96 states have internal predecessors, (477), 95 states have call successors, (96), 3 states have call predecessors, (96), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2022-01-31 23:14:51,495 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 775 transitions. [2022-01-31 23:14:51,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 861 [2022-01-31 23:14:51,500 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:14:51,501 INFO L514 BasicCegarLoop]: trace histogram [94, 94, 94, 94, 94, 94, 94, 94, 94, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:14:51,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-01-31 23:14:51,501 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:14:51,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:14:51,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1743958436, now seen corresponding path program 94 times [2022-01-31 23:14:51,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:14:51,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2048511029] [2022-01-31 23:14:51,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:14:51,506 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:14:51,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:14:51,596 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:14:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:14:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:14:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:14:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:14:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:14:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:14:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:14:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:14:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:14:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:14:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:14:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:14:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:14:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:14:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:14:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:14:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:14:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:14:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:14:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:14:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:14:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:14:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:14:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:14:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:14:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:14:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:14:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:14:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:14:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:14:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:14:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:14:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:14:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:14:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:14:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:14:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:14:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:14:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:14:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:14:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:14:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:14:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:14:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:14:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:14:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:14:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:14:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:14:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:14:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:14:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:14:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:14:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:14:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:14:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:14:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:14:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:14:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:14:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:14:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:14:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:14:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:14:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:14:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:14:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:14:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:14:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:14:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:14:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:14:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:14:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:14:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:14:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:14:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:14:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:14:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:14:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:14:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:14:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:14:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:14:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:14:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:14:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:14:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:14:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:14:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:14:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:14:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:14:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:14:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:14:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:14:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:14:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:14:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:14:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:14:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:14:55,178 INFO L134 CoverageAnalysis]: Checked inductivity of 13113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13113 trivial. 0 not checked. [2022-01-31 23:14:55,178 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:14:55,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2048511029] [2022-01-31 23:14:55,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2048511029] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:14:55,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:14:55,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [98] imperfect sequences [] total 98 [2022-01-31 23:14:55,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761633105] [2022-01-31 23:14:55,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:14:55,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2022-01-31 23:14:55,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:14:55,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2022-01-31 23:14:55,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4658, Invalid=4848, Unknown=0, NotChecked=0, Total=9506 [2022-01-31 23:14:55,182 INFO L87 Difference]: Start difference. First operand 586 states and 775 transitions. Second operand has 98 states, 98 states have (on average 4.918367346938775) internal successors, (482), 97 states have internal predecessors, (482), 96 states have call successors, (97), 3 states have call predecessors, (97), 1 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-01-31 23:14:57,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:14:57,935 INFO L93 Difference]: Finished difference Result 1084 states and 1469 transitions. [2022-01-31 23:14:57,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-01-31 23:14:57,936 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 98 states have (on average 4.918367346938775) internal successors, (482), 97 states have internal predecessors, (482), 96 states have call successors, (97), 3 states have call predecessors, (97), 1 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) Word has length 860 [2022-01-31 23:14:57,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:14:57,938 INFO L225 Difference]: With dead ends: 1084 [2022-01-31 23:14:57,938 INFO L226 Difference]: Without dead ends: 1072 [2022-01-31 23:14:57,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=4756, Invalid=4946, Unknown=0, NotChecked=0, Total=9702 [2022-01-31 23:14:57,939 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 1928 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 1616 mSolverCounterSat, 888 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2024 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 2504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 888 IncrementalHoareTripleChecker+Valid, 1616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:14:57,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2024 Valid, 862 Invalid, 2504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [888 Valid, 1616 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-31 23:14:57,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2022-01-31 23:14:57,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 592. [2022-01-31 23:14:57,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 490 states have (on average 1.2) internal successors, (588), 490 states have internal predecessors, (588), 98 states have call successors, (98), 4 states have call predecessors, (98), 3 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2022-01-31 23:14:57,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 783 transitions. [2022-01-31 23:14:57,953 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 783 transitions. Word has length 860 [2022-01-31 23:14:57,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:14:57,954 INFO L470 AbstractCegarLoop]: Abstraction has 592 states and 783 transitions. [2022-01-31 23:14:57,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 4.918367346938775) internal successors, (482), 97 states have internal predecessors, (482), 96 states have call successors, (97), 3 states have call predecessors, (97), 1 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-01-31 23:14:57,954 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 783 transitions. [2022-01-31 23:14:57,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2022-01-31 23:14:57,959 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:14:57,959 INFO L514 BasicCegarLoop]: trace histogram [95, 95, 95, 95, 95, 95, 95, 95, 95, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:14:57,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-01-31 23:14:57,959 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:14:57,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:14:57,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1670237406, now seen corresponding path program 95 times [2022-01-31 23:14:57,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:14:57,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [695391447] [2022-01-31 23:14:57,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:14:57,963 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:14:57,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:14:58,035 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:14:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:15:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:15:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:15:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:15:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:15:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:15:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:15:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:15:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:15:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:15:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:15:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:15:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:15:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:15:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:15:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:15:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:15:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:15:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:15:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:15:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:15:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:15:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:15:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:15:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:15:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:15:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:15:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:15:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:15:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:15:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:15:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:15:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:15:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:15:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:15:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:15:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:15:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:15:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:15:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:15:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:15:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:15:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:15:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:15:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:15:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:15:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:15:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:15:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:15:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:15:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:15:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:15:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:15:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:15:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:15:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:15:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:15:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:15:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:15:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:15:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:15:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:15:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:15:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:15:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:15:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:15:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:15:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:15:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:15:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:15:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:15:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:15:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:15:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:15:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:15:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:15:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:15:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:15:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:15:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:15:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:15:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:15:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:15:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:15:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:15:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:15:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:15:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:15:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:15:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:15:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:15:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:15:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:15:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:15:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:15:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:15:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 13395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13395 trivial. 0 not checked. [2022-01-31 23:15:01,726 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:15:01,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [695391447] [2022-01-31 23:15:01,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [695391447] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:15:01,726 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:15:01,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [99] imperfect sequences [] total 99 [2022-01-31 23:15:01,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4763905] [2022-01-31 23:15:01,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:15:01,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2022-01-31 23:15:01,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:15:01,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2022-01-31 23:15:01,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4755, Invalid=4947, Unknown=0, NotChecked=0, Total=9702 [2022-01-31 23:15:01,728 INFO L87 Difference]: Start difference. First operand 592 states and 783 transitions. Second operand has 99 states, 99 states have (on average 4.91919191919192) internal successors, (487), 98 states have internal predecessors, (487), 97 states have call successors, (98), 3 states have call predecessors, (98), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2022-01-31 23:15:04,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:15:04,317 INFO L93 Difference]: Finished difference Result 1095 states and 1484 transitions. [2022-01-31 23:15:04,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-01-31 23:15:04,318 INFO L78 Accepts]: Start accepts. Automaton has has 99 states, 99 states have (on average 4.91919191919192) internal successors, (487), 98 states have internal predecessors, (487), 97 states have call successors, (98), 3 states have call predecessors, (98), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) Word has length 869 [2022-01-31 23:15:04,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:15:04,320 INFO L225 Difference]: With dead ends: 1095 [2022-01-31 23:15:04,320 INFO L226 Difference]: Without dead ends: 1083 [2022-01-31 23:15:04,321 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=4854, Invalid=5046, Unknown=0, NotChecked=0, Total=9900 [2022-01-31 23:15:04,321 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 2293 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 1409 mSolverCounterSat, 1066 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2390 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 2475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1066 IncrementalHoareTripleChecker+Valid, 1409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:15:04,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2390 Valid, 853 Invalid, 2475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1066 Valid, 1409 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-31 23:15:04,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2022-01-31 23:15:04,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 598. [2022-01-31 23:15:04,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 495 states have (on average 1.2) internal successors, (594), 495 states have internal predecessors, (594), 99 states have call successors, (99), 4 states have call predecessors, (99), 3 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2022-01-31 23:15:04,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 791 transitions. [2022-01-31 23:15:04,334 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 791 transitions. Word has length 869 [2022-01-31 23:15:04,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:15:04,334 INFO L470 AbstractCegarLoop]: Abstraction has 598 states and 791 transitions. [2022-01-31 23:15:04,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 4.91919191919192) internal successors, (487), 98 states have internal predecessors, (487), 97 states have call successors, (98), 3 states have call predecessors, (98), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2022-01-31 23:15:04,335 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 791 transitions. [2022-01-31 23:15:04,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879 [2022-01-31 23:15:04,339 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:15:04,339 INFO L514 BasicCegarLoop]: trace histogram [96, 96, 96, 96, 96, 96, 96, 96, 96, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:15:04,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-01-31 23:15:04,339 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:15:04,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:15:04,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1157201764, now seen corresponding path program 96 times [2022-01-31 23:15:04,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:15:04,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [502250372] [2022-01-31 23:15:04,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:15:04,343 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:15:04,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:15:04,417 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:15:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:15:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:15:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:15:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:15:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:15:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:15:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:15:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:15:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:15:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:15:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:15:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:15:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:15:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:15:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:15:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:15:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:15:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:15:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:15:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:15:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:15:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:15:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:15:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:15:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:15:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:15:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:15:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:15:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:15:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:15:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:15:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:15:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:15:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:15:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:15:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:15:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:15:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:15:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:15:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:15:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:15:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:15:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:15:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:15:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:15:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:15:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:15:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:15:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:15:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:15:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:15:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:15:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:15:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:15:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:15:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:15:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:15:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:15:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:15:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:15:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:15:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:15:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:15:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:15:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:15:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:15:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:15:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:15:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:15:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:15:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:15:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:15:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:15:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:15:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:15:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:15:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:15:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:15:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:15:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:15:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:15:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:15:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:15:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:15:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:15:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:15:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:15:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:15:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:15:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:15:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:15:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:15:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:15:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:15:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:15:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:15:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:15:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:08,277 INFO L134 CoverageAnalysis]: Checked inductivity of 13680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13680 trivial. 0 not checked. [2022-01-31 23:15:08,277 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:15:08,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [502250372] [2022-01-31 23:15:08,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [502250372] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:15:08,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:15:08,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [100] imperfect sequences [] total 100 [2022-01-31 23:15:08,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995499053] [2022-01-31 23:15:08,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:15:08,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2022-01-31 23:15:08,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:15:08,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2022-01-31 23:15:08,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4853, Invalid=5047, Unknown=0, NotChecked=0, Total=9900 [2022-01-31 23:15:08,279 INFO L87 Difference]: Start difference. First operand 598 states and 791 transitions. Second operand has 100 states, 100 states have (on average 4.92) internal successors, (492), 99 states have internal predecessors, (492), 98 states have call successors, (99), 3 states have call predecessors, (99), 1 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2022-01-31 23:15:10,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:15:10,847 INFO L93 Difference]: Finished difference Result 1106 states and 1499 transitions. [2022-01-31 23:15:10,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-01-31 23:15:10,848 INFO L78 Accepts]: Start accepts. Automaton has has 100 states, 100 states have (on average 4.92) internal successors, (492), 99 states have internal predecessors, (492), 98 states have call successors, (99), 3 states have call predecessors, (99), 1 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) Word has length 878 [2022-01-31 23:15:10,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:15:10,850 INFO L225 Difference]: With dead ends: 1106 [2022-01-31 23:15:10,850 INFO L226 Difference]: Without dead ends: 1094 [2022-01-31 23:15:10,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=4953, Invalid=5147, Unknown=0, NotChecked=0, Total=10100 [2022-01-31 23:15:10,851 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 2343 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 1566 mSolverCounterSat, 1097 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2441 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 2663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1097 IncrementalHoareTripleChecker+Valid, 1566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:15:10,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2441 Valid, 883 Invalid, 2663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1097 Valid, 1566 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-31 23:15:10,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2022-01-31 23:15:10,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 604. [2022-01-31 23:15:10,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 500 states have (on average 1.2) internal successors, (600), 500 states have internal predecessors, (600), 100 states have call successors, (100), 4 states have call predecessors, (100), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2022-01-31 23:15:10,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 799 transitions. [2022-01-31 23:15:10,865 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 799 transitions. Word has length 878 [2022-01-31 23:15:10,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:15:10,865 INFO L470 AbstractCegarLoop]: Abstraction has 604 states and 799 transitions. [2022-01-31 23:15:10,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 4.92) internal successors, (492), 99 states have internal predecessors, (492), 98 states have call successors, (99), 3 states have call predecessors, (99), 1 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2022-01-31 23:15:10,866 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 799 transitions. [2022-01-31 23:15:10,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 888 [2022-01-31 23:15:10,870 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:15:10,870 INFO L514 BasicCegarLoop]: trace histogram [97, 97, 97, 97, 97, 97, 97, 97, 97, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:15:10,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-01-31 23:15:10,871 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:15:10,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:15:10,871 INFO L85 PathProgramCache]: Analyzing trace with hash 215407970, now seen corresponding path program 97 times [2022-01-31 23:15:10,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:15:10,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1321777270] [2022-01-31 23:15:10,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:15:10,874 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:15:10,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:15:10,949 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:15:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:15:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:15:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:15:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:15:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:15:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:15:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:15:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:15:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:15:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:15:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:15:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:15:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:15:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:15:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:15:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:15:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:15:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:15:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:15:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:15:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:15:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:15:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:15:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:15:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:15:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:15:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:15:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:15:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:15:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:15:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:15:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:15:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:15:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:15:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:15:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:15:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:15:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:15:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:15:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:15:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:15:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:15:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:15:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:15:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:15:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:15:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:15:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:15:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:15:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:15:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:15:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:15:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:15:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:15:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:15:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:15:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:15:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:15:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:15:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:15:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:15:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:15:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:15:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:15:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:15:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:15:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:15:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:15:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:15:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:15:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:15:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:15:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:15:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:15:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:15:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:15:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:15:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:15:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:15:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:15:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:15:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:15:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:15:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:15:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:15:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:15:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:15:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:15:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:15:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:15:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:15:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:15:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:15:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:15:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:15:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:15:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:15:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:15:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:14,663 INFO L134 CoverageAnalysis]: Checked inductivity of 13968 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13968 trivial. 0 not checked. [2022-01-31 23:15:14,663 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:15:14,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1321777270] [2022-01-31 23:15:14,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1321777270] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:15:14,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:15:14,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [101] imperfect sequences [] total 101 [2022-01-31 23:15:14,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801160684] [2022-01-31 23:15:14,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:15:14,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2022-01-31 23:15:14,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:15:14,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2022-01-31 23:15:14,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4952, Invalid=5148, Unknown=0, NotChecked=0, Total=10100 [2022-01-31 23:15:14,667 INFO L87 Difference]: Start difference. First operand 604 states and 799 transitions. Second operand has 101 states, 101 states have (on average 4.920792079207921) internal successors, (497), 100 states have internal predecessors, (497), 99 states have call successors, (100), 3 states have call predecessors, (100), 1 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2022-01-31 23:15:17,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:15:17,501 INFO L93 Difference]: Finished difference Result 1117 states and 1514 transitions. [2022-01-31 23:15:17,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-01-31 23:15:17,501 INFO L78 Accepts]: Start accepts. Automaton has has 101 states, 101 states have (on average 4.920792079207921) internal successors, (497), 100 states have internal predecessors, (497), 99 states have call successors, (100), 3 states have call predecessors, (100), 1 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) Word has length 887 [2022-01-31 23:15:17,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:15:17,503 INFO L225 Difference]: With dead ends: 1117 [2022-01-31 23:15:17,503 INFO L226 Difference]: Without dead ends: 1105 [2022-01-31 23:15:17,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=5053, Invalid=5249, Unknown=0, NotChecked=0, Total=10302 [2022-01-31 23:15:17,505 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 2021 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 1695 mSolverCounterSat, 936 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2120 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 2631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 936 IncrementalHoareTripleChecker+Valid, 1695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:15:17,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2120 Valid, 897 Invalid, 2631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [936 Valid, 1695 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-31 23:15:17,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2022-01-31 23:15:17,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 610. [2022-01-31 23:15:17,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 505 states have (on average 1.2) internal successors, (606), 505 states have internal predecessors, (606), 101 states have call successors, (101), 4 states have call predecessors, (101), 3 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2022-01-31 23:15:17,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 807 transitions. [2022-01-31 23:15:17,523 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 807 transitions. Word has length 887 [2022-01-31 23:15:17,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:15:17,524 INFO L470 AbstractCegarLoop]: Abstraction has 610 states and 807 transitions. [2022-01-31 23:15:17,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 4.920792079207921) internal successors, (497), 100 states have internal predecessors, (497), 99 states have call successors, (100), 3 states have call predecessors, (100), 1 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2022-01-31 23:15:17,524 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 807 transitions. [2022-01-31 23:15:17,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 897 [2022-01-31 23:15:17,530 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:15:17,530 INFO L514 BasicCegarLoop]: trace histogram [98, 98, 98, 98, 98, 98, 98, 98, 98, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:15:17,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-01-31 23:15:17,531 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:15:17,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:15:17,531 INFO L85 PathProgramCache]: Analyzing trace with hash -594518748, now seen corresponding path program 98 times [2022-01-31 23:15:17,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:15:17,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [67406957] [2022-01-31 23:15:17,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:15:17,536 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:15:17,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:15:17,627 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:15:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:15:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:15:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:15:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:15:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:15:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:15:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:15:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:15:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:15:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:15:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:15:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:15:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:15:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:15:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:15:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:15:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:15:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:15:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:15:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:15:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:15:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:15:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:15:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:15:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:15:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:15:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:15:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:15:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:15:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:15:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:15:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:15:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:15:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:15:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:15:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:15:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:15:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:15:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:15:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:15:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:15:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:15:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:15:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:15:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:15:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:15:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:15:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:15:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:15:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:15:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:15:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:15:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:15:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:15:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:15:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:15:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:15:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:15:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:15:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:15:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:15:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:15:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:15:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:15:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:15:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:15:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:15:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:15:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:15:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:15:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:15:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:15:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:15:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:15:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:15:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:15:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:15:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:15:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:15:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:15:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:15:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:15:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:15:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:15:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:15:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:15:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:15:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:15:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:15:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:15:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:15:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:15:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:15:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:15:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:15:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:15:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:15:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:15:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:15:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:21,489 INFO L134 CoverageAnalysis]: Checked inductivity of 14259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14259 trivial. 0 not checked. [2022-01-31 23:15:21,489 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:15:21,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [67406957] [2022-01-31 23:15:21,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [67406957] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:15:21,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:15:21,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [102] imperfect sequences [] total 102 [2022-01-31 23:15:21,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399703835] [2022-01-31 23:15:21,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:15:21,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2022-01-31 23:15:21,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:15:21,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2022-01-31 23:15:21,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5052, Invalid=5250, Unknown=0, NotChecked=0, Total=10302 [2022-01-31 23:15:21,494 INFO L87 Difference]: Start difference. First operand 610 states and 807 transitions. Second operand has 102 states, 102 states have (on average 4.921568627450981) internal successors, (502), 101 states have internal predecessors, (502), 100 states have call successors, (101), 3 states have call predecessors, (101), 1 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2022-01-31 23:15:24,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:15:24,722 INFO L93 Difference]: Finished difference Result 1128 states and 1529 transitions. [2022-01-31 23:15:24,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-01-31 23:15:24,722 INFO L78 Accepts]: Start accepts. Automaton has has 102 states, 102 states have (on average 4.921568627450981) internal successors, (502), 101 states have internal predecessors, (502), 100 states have call successors, (101), 3 states have call predecessors, (101), 1 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) Word has length 896 [2022-01-31 23:15:24,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:15:24,724 INFO L225 Difference]: With dead ends: 1128 [2022-01-31 23:15:24,724 INFO L226 Difference]: Without dead ends: 1116 [2022-01-31 23:15:24,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=5154, Invalid=5352, Unknown=0, NotChecked=0, Total=10506 [2022-01-31 23:15:24,725 INFO L933 BasicCegarLoop]: 220 mSDtfsCounter, 2367 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 1684 mSolverCounterSat, 1104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2467 SdHoareTripleChecker+Valid, 894 SdHoareTripleChecker+Invalid, 2788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1104 IncrementalHoareTripleChecker+Valid, 1684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:15:24,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2467 Valid, 894 Invalid, 2788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1104 Valid, 1684 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-31 23:15:24,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-01-31 23:15:24,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 616. [2022-01-31 23:15:24,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 510 states have (on average 1.2) internal successors, (612), 510 states have internal predecessors, (612), 102 states have call successors, (102), 4 states have call predecessors, (102), 3 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2022-01-31 23:15:24,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 815 transitions. [2022-01-31 23:15:24,739 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 815 transitions. Word has length 896 [2022-01-31 23:15:24,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:15:24,740 INFO L470 AbstractCegarLoop]: Abstraction has 616 states and 815 transitions. [2022-01-31 23:15:24,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 4.921568627450981) internal successors, (502), 101 states have internal predecessors, (502), 100 states have call successors, (101), 3 states have call predecessors, (101), 1 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2022-01-31 23:15:24,740 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 815 transitions. [2022-01-31 23:15:24,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 906 [2022-01-31 23:15:24,745 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:15:24,745 INFO L514 BasicCegarLoop]: trace histogram [99, 99, 99, 99, 99, 99, 99, 99, 99, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:15:24,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-01-31 23:15:24,745 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:15:24,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:15:24,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1002272674, now seen corresponding path program 99 times [2022-01-31 23:15:24,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:15:24,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2122349483] [2022-01-31 23:15:24,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:15:24,749 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:15:24,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:15:24,823 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:15:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:15:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:15:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:15:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:15:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:15:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:15:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:15:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:15:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:15:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:15:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:15:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:15:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:15:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:15:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:15:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:15:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:15:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:15:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:15:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:15:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:15:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:15:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:15:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:15:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:15:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:15:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:15:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:15:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:15:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:15:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:15:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:15:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:15:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:15:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:15:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:15:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:15:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:15:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:15:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:15:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:15:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:15:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:15:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:15:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:15:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:15:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:15:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:15:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:15:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:15:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:15:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:15:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:15:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:15:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:15:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:15:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:15:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:15:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:15:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:15:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:15:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:15:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:15:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:15:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:15:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:15:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:15:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:15:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:15:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:15:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:15:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:15:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:15:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:15:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:15:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:15:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:15:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:15:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:15:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:15:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:15:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:15:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:15:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:15:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:15:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:15:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:15:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:15:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:15:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:15:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:15:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:15:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:15:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:15:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:15:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:15:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:15:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:15:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:15:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:15:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:28,949 INFO L134 CoverageAnalysis]: Checked inductivity of 14553 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14553 trivial. 0 not checked. [2022-01-31 23:15:28,950 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:15:28,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2122349483] [2022-01-31 23:15:28,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2122349483] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:15:28,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:15:28,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [103] imperfect sequences [] total 103 [2022-01-31 23:15:28,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478989345] [2022-01-31 23:15:28,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:15:28,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2022-01-31 23:15:28,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:15:28,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2022-01-31 23:15:28,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5153, Invalid=5353, Unknown=0, NotChecked=0, Total=10506 [2022-01-31 23:15:28,953 INFO L87 Difference]: Start difference. First operand 616 states and 815 transitions. Second operand has 103 states, 103 states have (on average 4.922330097087379) internal successors, (507), 102 states have internal predecessors, (507), 101 states have call successors, (102), 3 states have call predecessors, (102), 1 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2022-01-31 23:15:31,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:15:31,805 INFO L93 Difference]: Finished difference Result 1139 states and 1544 transitions. [2022-01-31 23:15:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-01-31 23:15:31,805 INFO L78 Accepts]: Start accepts. Automaton has has 103 states, 103 states have (on average 4.922330097087379) internal successors, (507), 102 states have internal predecessors, (507), 101 states have call successors, (102), 3 states have call predecessors, (102), 1 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) Word has length 905 [2022-01-31 23:15:31,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:15:31,807 INFO L225 Difference]: With dead ends: 1139 [2022-01-31 23:15:31,807 INFO L226 Difference]: Without dead ends: 1127 [2022-01-31 23:15:31,808 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=5256, Invalid=5456, Unknown=0, NotChecked=0, Total=10712 [2022-01-31 23:15:31,808 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 2078 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1605 mSolverCounterSat, 962 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2179 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 2567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 962 IncrementalHoareTripleChecker+Valid, 1605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:15:31,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2179 Valid, 908 Invalid, 2567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [962 Valid, 1605 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-31 23:15:31,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2022-01-31 23:15:31,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 622. [2022-01-31 23:15:31,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 515 states have (on average 1.2) internal successors, (618), 515 states have internal predecessors, (618), 103 states have call successors, (103), 4 states have call predecessors, (103), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2022-01-31 23:15:31,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 823 transitions. [2022-01-31 23:15:31,822 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 823 transitions. Word has length 905 [2022-01-31 23:15:31,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:15:31,823 INFO L470 AbstractCegarLoop]: Abstraction has 622 states and 823 transitions. [2022-01-31 23:15:31,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 4.922330097087379) internal successors, (507), 102 states have internal predecessors, (507), 101 states have call successors, (102), 3 states have call predecessors, (102), 1 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2022-01-31 23:15:31,823 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 823 transitions. [2022-01-31 23:15:31,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 915 [2022-01-31 23:15:31,828 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:15:31,829 INFO L514 BasicCegarLoop]: trace histogram [100, 100, 100, 100, 100, 100, 100, 100, 100, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:15:31,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-01-31 23:15:31,829 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:15:31,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:15:31,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1356024548, now seen corresponding path program 100 times [2022-01-31 23:15:31,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:15:31,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1691519770] [2022-01-31 23:15:31,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:15:31,840 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:15:31,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:15:31,912 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:15:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:15:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:15:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:15:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:15:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:15:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:15:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:15:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:15:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:15:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:15:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:15:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:15:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:15:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:15:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:15:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:15:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:15:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:15:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:15:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:15:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:15:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:15:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:15:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:15:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:15:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:15:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:15:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:15:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:15:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:15:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:15:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:15:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:15:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:15:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:15:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:15:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:15:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:15:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:15:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:15:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:15:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:15:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:15:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:15:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:15:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:15:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:15:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:15:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:15:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:15:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:15:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:15:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:15:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:15:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:15:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:15:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:15:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:15:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:15:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:15:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:15:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:15:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:15:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:15:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:15:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:15:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:15:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:15:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:15:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:15:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:15:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:15:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:15:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:15:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:15:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:15:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:15:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:15:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:15:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:15:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:15:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:15:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:15:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:15:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:15:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:15:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:15:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:15:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:15:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:15:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:15:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:15:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:15:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:15:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:15:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:15:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:15:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:15:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:15:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:15:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:15:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:35,844 INFO L134 CoverageAnalysis]: Checked inductivity of 14850 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14850 trivial. 0 not checked. [2022-01-31 23:15:35,844 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:15:35,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1691519770] [2022-01-31 23:15:35,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1691519770] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:15:35,844 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:15:35,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [104] imperfect sequences [] total 104 [2022-01-31 23:15:35,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723701330] [2022-01-31 23:15:35,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:15:35,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2022-01-31 23:15:35,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:15:35,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2022-01-31 23:15:35,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5255, Invalid=5457, Unknown=0, NotChecked=0, Total=10712 [2022-01-31 23:15:35,846 INFO L87 Difference]: Start difference. First operand 622 states and 823 transitions. Second operand has 104 states, 104 states have (on average 4.923076923076923) internal successors, (512), 103 states have internal predecessors, (512), 102 states have call successors, (103), 3 states have call predecessors, (103), 1 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2022-01-31 23:15:38,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:15:38,751 INFO L93 Difference]: Finished difference Result 1150 states and 1559 transitions. [2022-01-31 23:15:38,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-01-31 23:15:38,751 INFO L78 Accepts]: Start accepts. Automaton has has 104 states, 104 states have (on average 4.923076923076923) internal successors, (512), 103 states have internal predecessors, (512), 102 states have call successors, (103), 3 states have call predecessors, (103), 1 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) Word has length 914 [2022-01-31 23:15:38,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:15:38,753 INFO L225 Difference]: With dead ends: 1150 [2022-01-31 23:15:38,753 INFO L226 Difference]: Without dead ends: 1138 [2022-01-31 23:15:38,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=5359, Invalid=5561, Unknown=0, NotChecked=0, Total=10920 [2022-01-31 23:15:38,754 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 2125 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 1568 mSolverCounterSat, 981 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2227 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 2549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 981 IncrementalHoareTripleChecker+Valid, 1568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:15:38,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2227 Valid, 923 Invalid, 2549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [981 Valid, 1568 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-31 23:15:38,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2022-01-31 23:15:38,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 628. [2022-01-31 23:15:38,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 520 states have (on average 1.2) internal successors, (624), 520 states have internal predecessors, (624), 104 states have call successors, (104), 4 states have call predecessors, (104), 3 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2022-01-31 23:15:38,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 831 transitions. [2022-01-31 23:15:38,772 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 831 transitions. Word has length 914 [2022-01-31 23:15:38,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:15:38,773 INFO L470 AbstractCegarLoop]: Abstraction has 628 states and 831 transitions. [2022-01-31 23:15:38,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 4.923076923076923) internal successors, (512), 103 states have internal predecessors, (512), 102 states have call successors, (103), 3 states have call predecessors, (103), 1 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2022-01-31 23:15:38,773 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 831 transitions. [2022-01-31 23:15:38,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2022-01-31 23:15:38,779 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:15:38,779 INFO L514 BasicCegarLoop]: trace histogram [101, 101, 101, 101, 101, 101, 101, 101, 101, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:15:38,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-01-31 23:15:38,780 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:15:38,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:15:38,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1500904990, now seen corresponding path program 101 times [2022-01-31 23:15:38,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:15:38,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069585067] [2022-01-31 23:15:38,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:15:38,784 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:15:38,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:15:38,880 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:15:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:15:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:15:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:15:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:15:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:15:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:15:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:15:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:15:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:15:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:15:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:15:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:15:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:15:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:15:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:15:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:15:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:15:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:15:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:15:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:15:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:15:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:15:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:15:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:15:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:15:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:15:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:15:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:15:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:15:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:15:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:15:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:15:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:15:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:15:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:15:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:15:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:15:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:15:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:15:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:15:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:15:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:15:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:15:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:15:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:15:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:15:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:15:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:15:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:15:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:15:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:15:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:15:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:15:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:15:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:15:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:15:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:15:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:15:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:15:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:15:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:15:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:15:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:15:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:15:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:15:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:15:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:15:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:15:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:15:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:15:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:15:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:15:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:15:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:15:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:15:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:15:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:15:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:15:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:15:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:15:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:15:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:15:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:15:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:15:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:15:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:15:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:15:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:15:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:15:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:15:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:15:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:15:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:15:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:15:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:15:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:15:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:15:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:15:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:15:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:15:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:15:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:15:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:42,807 INFO L134 CoverageAnalysis]: Checked inductivity of 15150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15150 trivial. 0 not checked. [2022-01-31 23:15:42,807 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:15:42,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1069585067] [2022-01-31 23:15:42,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1069585067] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:15:42,808 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:15:42,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [105] imperfect sequences [] total 105 [2022-01-31 23:15:42,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082869735] [2022-01-31 23:15:42,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:15:42,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2022-01-31 23:15:42,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:15:42,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2022-01-31 23:15:42,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5358, Invalid=5562, Unknown=0, NotChecked=0, Total=10920 [2022-01-31 23:15:42,811 INFO L87 Difference]: Start difference. First operand 628 states and 831 transitions. Second operand has 105 states, 105 states have (on average 4.923809523809524) internal successors, (517), 104 states have internal predecessors, (517), 103 states have call successors, (104), 3 states have call predecessors, (104), 1 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2022-01-31 23:15:46,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:15:46,124 INFO L93 Difference]: Finished difference Result 1161 states and 1574 transitions. [2022-01-31 23:15:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-01-31 23:15:46,125 INFO L78 Accepts]: Start accepts. Automaton has has 105 states, 105 states have (on average 4.923809523809524) internal successors, (517), 104 states have internal predecessors, (517), 103 states have call successors, (104), 3 states have call predecessors, (104), 1 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) Word has length 923 [2022-01-31 23:15:46,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:15:46,127 INFO L225 Difference]: With dead ends: 1161 [2022-01-31 23:15:46,127 INFO L226 Difference]: Without dead ends: 1149 [2022-01-31 23:15:46,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=5463, Invalid=5667, Unknown=0, NotChecked=0, Total=11130 [2022-01-31 23:15:46,127 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 2156 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 1825 mSolverCounterSat, 1005 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2259 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 2830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1005 IncrementalHoareTripleChecker+Valid, 1825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-31 23:15:46,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2259 Valid, 948 Invalid, 2830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1005 Valid, 1825 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-31 23:15:46,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2022-01-31 23:15:46,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 634. [2022-01-31 23:15:46,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 525 states have (on average 1.2) internal successors, (630), 525 states have internal predecessors, (630), 105 states have call successors, (105), 4 states have call predecessors, (105), 3 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2022-01-31 23:15:46,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 839 transitions. [2022-01-31 23:15:46,141 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 839 transitions. Word has length 923 [2022-01-31 23:15:46,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:15:46,142 INFO L470 AbstractCegarLoop]: Abstraction has 634 states and 839 transitions. [2022-01-31 23:15:46,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 4.923809523809524) internal successors, (517), 104 states have internal predecessors, (517), 103 states have call successors, (104), 3 states have call predecessors, (104), 1 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2022-01-31 23:15:46,142 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 839 transitions. [2022-01-31 23:15:46,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 933 [2022-01-31 23:15:46,147 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:15:46,147 INFO L514 BasicCegarLoop]: trace histogram [102, 102, 102, 102, 102, 102, 102, 102, 102, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:15:46,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-01-31 23:15:46,147 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:15:46,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:15:46,147 INFO L85 PathProgramCache]: Analyzing trace with hash -186759004, now seen corresponding path program 102 times [2022-01-31 23:15:46,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:15:46,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [342096705] [2022-01-31 23:15:46,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:15:46,150 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:15:46,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:15:46,231 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:15:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:15:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:15:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:15:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:15:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:15:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:15:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:15:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:15:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:15:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:15:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:15:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:15:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:15:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:15:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:15:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:15:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:15:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:15:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:15:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:15:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:15:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:15:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:15:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:15:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:15:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:15:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:15:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:15:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:15:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:15:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:15:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:15:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:15:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:15:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:15:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:15:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:15:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:15:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:15:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:15:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:15:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:15:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:15:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:15:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:15:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:15:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:15:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:15:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:15:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:15:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:15:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:15:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:15:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:15:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:15:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:15:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:15:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:15:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:15:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:15:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:15:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:15:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:15:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:15:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:15:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:15:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:15:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:15:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:15:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:15:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:15:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:15:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:15:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:15:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:15:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:15:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:15:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:15:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:15:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:15:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:15:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:15:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:15:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:15:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:15:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:15:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:15:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:15:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:15:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:15:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:15:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:15:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:15:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:15:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:15:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:15:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:15:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:15:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:15:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:15:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:15:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:15:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:15:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:50,288 INFO L134 CoverageAnalysis]: Checked inductivity of 15453 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15453 trivial. 0 not checked. [2022-01-31 23:15:50,288 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:15:50,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [342096705] [2022-01-31 23:15:50,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [342096705] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:15:50,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:15:50,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [106] imperfect sequences [] total 106 [2022-01-31 23:15:50,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701509638] [2022-01-31 23:15:50,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:15:50,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2022-01-31 23:15:50,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:15:50,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2022-01-31 23:15:50,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5462, Invalid=5668, Unknown=0, NotChecked=0, Total=11130 [2022-01-31 23:15:50,293 INFO L87 Difference]: Start difference. First operand 634 states and 839 transitions. Second operand has 106 states, 106 states have (on average 4.9245283018867925) internal successors, (522), 105 states have internal predecessors, (522), 104 states have call successors, (105), 3 states have call predecessors, (105), 1 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2022-01-31 23:15:53,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:15:53,607 INFO L93 Difference]: Finished difference Result 1172 states and 1589 transitions. [2022-01-31 23:15:53,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-01-31 23:15:53,608 INFO L78 Accepts]: Start accepts. Automaton has has 106 states, 106 states have (on average 4.9245283018867925) internal successors, (522), 105 states have internal predecessors, (522), 104 states have call successors, (105), 3 states have call predecessors, (105), 1 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) Word has length 932 [2022-01-31 23:15:53,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:15:53,610 INFO L225 Difference]: With dead ends: 1172 [2022-01-31 23:15:53,610 INFO L226 Difference]: Without dead ends: 1160 [2022-01-31 23:15:53,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=5568, Invalid=5774, Unknown=0, NotChecked=0, Total=11342 [2022-01-31 23:15:53,611 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 2372 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 1612 mSolverCounterSat, 1105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2476 SdHoareTripleChecker+Valid, 930 SdHoareTripleChecker+Invalid, 2717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1105 IncrementalHoareTripleChecker+Valid, 1612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-31 23:15:53,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2476 Valid, 930 Invalid, 2717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1105 Valid, 1612 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-31 23:15:53,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2022-01-31 23:15:53,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 640. [2022-01-31 23:15:53,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 530 states have (on average 1.2) internal successors, (636), 530 states have internal predecessors, (636), 106 states have call successors, (106), 4 states have call predecessors, (106), 3 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2022-01-31 23:15:53,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 847 transitions. [2022-01-31 23:15:53,631 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 847 transitions. Word has length 932 [2022-01-31 23:15:53,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:15:53,632 INFO L470 AbstractCegarLoop]: Abstraction has 640 states and 847 transitions. [2022-01-31 23:15:53,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 4.9245283018867925) internal successors, (522), 105 states have internal predecessors, (522), 104 states have call successors, (105), 3 states have call predecessors, (105), 1 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2022-01-31 23:15:53,632 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 847 transitions. [2022-01-31 23:15:53,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 942 [2022-01-31 23:15:53,638 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:15:53,638 INFO L514 BasicCegarLoop]: trace histogram [103, 103, 103, 103, 103, 103, 103, 103, 103, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:15:53,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-01-31 23:15:53,638 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:15:53,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:15:53,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1180664798, now seen corresponding path program 103 times [2022-01-31 23:15:53,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:15:53,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037814145] [2022-01-31 23:15:53,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:15:53,643 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:15:53,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:15:53,725 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:15:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:15:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:15:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:15:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:15:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:15:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:15:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:15:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:15:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:15:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:15:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:15:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:15:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:15:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:15:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:15:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:15:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:15:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:15:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:15:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:15:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:15:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:15:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:15:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:15:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:15:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:15:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:15:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:15:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:15:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:15:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:15:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:15:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:15:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:15:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:15:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:15:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:15:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:15:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:15:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:15:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:15:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:15:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:15:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:15:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:15:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:15:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:15:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:15:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:15:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:15:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:15:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:15:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:15:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:15:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:15:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:15:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:15:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:15:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:15:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:15:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:15:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:15:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:15:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:15:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:15:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:15:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:15:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:15:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:15:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:15:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:15:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:15:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:15:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:15:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:15:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:15:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:15:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:15:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:15:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:15:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:15:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:15:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:15:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:15:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:15:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:15:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:15:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:15:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:15:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:15:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:15:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:15:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:15:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:15:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:15:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:15:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:15:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:15:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:15:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:15:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:15:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:15:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:15:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:15:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:15:57,831 INFO L134 CoverageAnalysis]: Checked inductivity of 15759 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15759 trivial. 0 not checked. [2022-01-31 23:15:57,831 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:15:57,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037814145] [2022-01-31 23:15:57,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1037814145] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:15:57,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:15:57,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [107] imperfect sequences [] total 107 [2022-01-31 23:15:57,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19844050] [2022-01-31 23:15:57,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:15:57,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2022-01-31 23:15:57,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:15:57,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2022-01-31 23:15:57,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5567, Invalid=5775, Unknown=0, NotChecked=0, Total=11342 [2022-01-31 23:15:57,836 INFO L87 Difference]: Start difference. First operand 640 states and 847 transitions. Second operand has 107 states, 107 states have (on average 4.925233644859813) internal successors, (527), 106 states have internal predecessors, (527), 105 states have call successors, (106), 3 states have call predecessors, (106), 1 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2022-01-31 23:16:01,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:16:01,096 INFO L93 Difference]: Finished difference Result 1183 states and 1604 transitions. [2022-01-31 23:16:01,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-01-31 23:16:01,097 INFO L78 Accepts]: Start accepts. Automaton has has 107 states, 107 states have (on average 4.925233644859813) internal successors, (527), 106 states have internal predecessors, (527), 105 states have call successors, (106), 3 states have call predecessors, (106), 1 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) Word has length 941 [2022-01-31 23:16:01,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:16:01,099 INFO L225 Difference]: With dead ends: 1183 [2022-01-31 23:16:01,099 INFO L226 Difference]: Without dead ends: 1171 [2022-01-31 23:16:01,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=5674, Invalid=5882, Unknown=0, NotChecked=0, Total=11556 [2022-01-31 23:16:01,100 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 2281 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1627 mSolverCounterSat, 1064 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2386 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 2691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1064 IncrementalHoareTripleChecker+Valid, 1627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:16:01,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2386 Valid, 940 Invalid, 2691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1064 Valid, 1627 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-31 23:16:01,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-01-31 23:16:01,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 646. [2022-01-31 23:16:01,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 535 states have (on average 1.2) internal successors, (642), 535 states have internal predecessors, (642), 107 states have call successors, (107), 4 states have call predecessors, (107), 3 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2022-01-31 23:16:01,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 855 transitions. [2022-01-31 23:16:01,119 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 855 transitions. Word has length 941 [2022-01-31 23:16:01,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:16:01,119 INFO L470 AbstractCegarLoop]: Abstraction has 646 states and 855 transitions. [2022-01-31 23:16:01,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 4.925233644859813) internal successors, (527), 106 states have internal predecessors, (527), 105 states have call successors, (106), 3 states have call predecessors, (106), 1 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2022-01-31 23:16:01,120 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 855 transitions. [2022-01-31 23:16:01,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 951 [2022-01-31 23:16:01,126 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:16:01,126 INFO L514 BasicCegarLoop]: trace histogram [104, 104, 104, 104, 104, 104, 104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:16:01,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-01-31 23:16:01,126 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:16:01,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:16:01,127 INFO L85 PathProgramCache]: Analyzing trace with hash 214783588, now seen corresponding path program 104 times [2022-01-31 23:16:01,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:16:01,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [687153483] [2022-01-31 23:16:01,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:16:01,130 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:16:01,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:16:01,201 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:16:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:16:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:16:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:16:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:16:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:16:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:16:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:16:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:16:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:16:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:16:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:16:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:16:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:16:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:16:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:16:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:16:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:16:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:16:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:16:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:16:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:16:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:16:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:16:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:16:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:16:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:16:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:16:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:16:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:16:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:16:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:16:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:16:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:16:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:16:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:16:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:16:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:16:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:16:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:16:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:16:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:16:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:16:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:16:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:16:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:16:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:16:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:16:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:16:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:16:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:16:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:16:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:16:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:16:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:16:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:16:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:16:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:16:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:16:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:16:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:16:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:16:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:16:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:16:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:16:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:16:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:16:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:16:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:16:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:16:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:16:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:16:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:16:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:16:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:16:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:16:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:16:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:16:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:16:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:16:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:16:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:16:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:16:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:16:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:16:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:16:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:16:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:16:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:16:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:16:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:16:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:16:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:16:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:16:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:16:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:16:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:16:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:16:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:16:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:16:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:16:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:16:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:16:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:16:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:16:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:16:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:05,382 INFO L134 CoverageAnalysis]: Checked inductivity of 16068 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16068 trivial. 0 not checked. [2022-01-31 23:16:05,382 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:16:05,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [687153483] [2022-01-31 23:16:05,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [687153483] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:16:05,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:16:05,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [108] imperfect sequences [] total 108 [2022-01-31 23:16:05,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708966438] [2022-01-31 23:16:05,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:16:05,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2022-01-31 23:16:05,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:16:05,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2022-01-31 23:16:05,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5673, Invalid=5883, Unknown=0, NotChecked=0, Total=11556 [2022-01-31 23:16:05,388 INFO L87 Difference]: Start difference. First operand 646 states and 855 transitions. Second operand has 108 states, 108 states have (on average 4.925925925925926) internal successors, (532), 107 states have internal predecessors, (532), 106 states have call successors, (107), 3 states have call predecessors, (107), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2022-01-31 23:16:08,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:16:08,803 INFO L93 Difference]: Finished difference Result 1194 states and 1619 transitions. [2022-01-31 23:16:08,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-01-31 23:16:08,804 INFO L78 Accepts]: Start accepts. Automaton has has 108 states, 108 states have (on average 4.925925925925926) internal successors, (532), 107 states have internal predecessors, (532), 106 states have call successors, (107), 3 states have call predecessors, (107), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) Word has length 950 [2022-01-31 23:16:08,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:16:08,806 INFO L225 Difference]: With dead ends: 1194 [2022-01-31 23:16:08,806 INFO L226 Difference]: Without dead ends: 1182 [2022-01-31 23:16:08,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=5781, Invalid=5991, Unknown=0, NotChecked=0, Total=11772 [2022-01-31 23:16:08,807 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 2244 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 1640 mSolverCounterSat, 1043 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2350 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 2683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1043 IncrementalHoareTripleChecker+Valid, 1640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-31 23:16:08,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2350 Valid, 951 Invalid, 2683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1043 Valid, 1640 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-31 23:16:08,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2022-01-31 23:16:08,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 652. [2022-01-31 23:16:08,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 540 states have (on average 1.2) internal successors, (648), 540 states have internal predecessors, (648), 108 states have call successors, (108), 4 states have call predecessors, (108), 3 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2022-01-31 23:16:08,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 863 transitions. [2022-01-31 23:16:08,822 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 863 transitions. Word has length 950 [2022-01-31 23:16:08,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:16:08,822 INFO L470 AbstractCegarLoop]: Abstraction has 652 states and 863 transitions. [2022-01-31 23:16:08,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 4.925925925925926) internal successors, (532), 107 states have internal predecessors, (532), 106 states have call successors, (107), 3 states have call predecessors, (107), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2022-01-31 23:16:08,822 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 863 transitions. [2022-01-31 23:16:08,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 960 [2022-01-31 23:16:08,827 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:16:08,827 INFO L514 BasicCegarLoop]: trace histogram [105, 105, 105, 105, 105, 105, 105, 105, 105, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:16:08,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-01-31 23:16:08,827 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:16:08,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:16:08,828 INFO L85 PathProgramCache]: Analyzing trace with hash 275048034, now seen corresponding path program 105 times [2022-01-31 23:16:08,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:16:08,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175729769] [2022-01-31 23:16:08,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:16:08,831 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:16:08,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:16:08,906 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:16:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:12,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:16:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:12,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:16:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:12,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:16:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:12,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:16:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:12,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:16:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:12,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:16:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:12,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:16:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:16:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:16:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:16:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:16:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:16:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:16:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:16:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:16:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:16:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:16:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:16:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:16:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:16:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:16:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:16:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:16:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:16:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:16:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:16:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:16:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:16:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:16:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:16:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:16:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:16:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:16:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:16:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:16:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:16:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:16:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:16:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:16:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:16:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:16:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:16:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:16:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:16:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:16:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:16:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:16:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:16:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:16:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:16:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:16:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:16:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:16:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:16:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:16:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:16:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:16:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:16:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:16:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:16:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:16:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:16:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:16:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:16:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:16:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:16:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:16:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:16:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:16:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:16:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:16:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:16:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:16:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:16:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:16:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:16:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:16:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:16:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:16:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:16:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:16:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:16:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:16:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:16:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:16:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:16:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:16:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:16:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:16:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:16:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:16:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:16:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:16:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:16:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:16:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:16:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:16:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:16:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:16:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:16:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:16:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:16:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:16:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:16:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:16:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:16:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:13,127 INFO L134 CoverageAnalysis]: Checked inductivity of 16380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16380 trivial. 0 not checked. [2022-01-31 23:16:13,127 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:16:13,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1175729769] [2022-01-31 23:16:13,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1175729769] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:16:13,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:16:13,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [109] imperfect sequences [] total 109 [2022-01-31 23:16:13,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331338526] [2022-01-31 23:16:13,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:16:13,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2022-01-31 23:16:13,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:16:13,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2022-01-31 23:16:13,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5780, Invalid=5992, Unknown=0, NotChecked=0, Total=11772 [2022-01-31 23:16:13,131 INFO L87 Difference]: Start difference. First operand 652 states and 863 transitions. Second operand has 109 states, 109 states have (on average 4.926605504587156) internal successors, (537), 108 states have internal predecessors, (537), 107 states have call successors, (108), 3 states have call predecessors, (108), 1 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2022-01-31 23:16:16,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:16:16,524 INFO L93 Difference]: Finished difference Result 1205 states and 1634 transitions. [2022-01-31 23:16:16,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-01-31 23:16:16,525 INFO L78 Accepts]: Start accepts. Automaton has has 109 states, 109 states have (on average 4.926605504587156) internal successors, (537), 108 states have internal predecessors, (537), 107 states have call successors, (108), 3 states have call predecessors, (108), 1 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) Word has length 959 [2022-01-31 23:16:16,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:16:16,527 INFO L225 Difference]: With dead ends: 1205 [2022-01-31 23:16:16,527 INFO L226 Difference]: Without dead ends: 1193 [2022-01-31 23:16:16,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=5889, Invalid=6101, Unknown=0, NotChecked=0, Total=11990 [2022-01-31 23:16:16,528 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 2230 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 1699 mSolverCounterSat, 1034 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2337 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 2733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1034 IncrementalHoareTripleChecker+Valid, 1699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-31 23:16:16,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2337 Valid, 957 Invalid, 2733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1034 Valid, 1699 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-31 23:16:16,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2022-01-31 23:16:16,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 658. [2022-01-31 23:16:16,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 545 states have (on average 1.2) internal successors, (654), 545 states have internal predecessors, (654), 109 states have call successors, (109), 4 states have call predecessors, (109), 3 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2022-01-31 23:16:16,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 871 transitions. [2022-01-31 23:16:16,543 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 871 transitions. Word has length 959 [2022-01-31 23:16:16,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:16:16,544 INFO L470 AbstractCegarLoop]: Abstraction has 658 states and 871 transitions. [2022-01-31 23:16:16,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 4.926605504587156) internal successors, (537), 108 states have internal predecessors, (537), 107 states have call successors, (108), 3 states have call predecessors, (108), 1 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2022-01-31 23:16:16,544 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 871 transitions. [2022-01-31 23:16:16,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2022-01-31 23:16:16,549 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:16:16,549 INFO L514 BasicCegarLoop]: trace histogram [106, 106, 106, 106, 106, 106, 106, 106, 106, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:16:16,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-01-31 23:16:16,549 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:16:16,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:16:16,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1917029340, now seen corresponding path program 106 times [2022-01-31 23:16:16,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:16:16,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1283641258] [2022-01-31 23:16:16,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:16:16,554 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:16:16,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:16:16,629 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:16:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:16:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:16:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:16:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:16:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:16:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:16:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:16:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:16:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:16:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:16:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:16:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:16:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:16:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:16:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:16:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:16:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:16:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:16:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:16:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:16:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:16:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:16:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:16:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:16:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:16:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:16:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:16:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:16:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:16:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:16:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:16:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:16:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:16:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:16:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:16:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:16:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:16:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:16:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:16:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:16:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:16:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:16:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:16:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:16:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:16:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:16:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:16:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:16:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:16:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:16:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:16:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:16:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:16:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:16:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:16:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:16:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:16:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:16:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:16:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:16:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:16:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:16:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:16:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:16:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:16:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:16:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:16:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:16:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:16:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:16:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:16:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:16:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:16:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:16:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:16:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:16:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:16:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:16:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:16:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:16:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:16:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:16:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:16:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:16:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:16:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:16:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:16:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:16:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:16:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:16:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:16:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:16:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:16:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:16:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:16:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:16:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:16:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:16:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:16:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:16:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:16:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:16:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:16:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:16:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:16:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:16:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:16:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:20,910 INFO L134 CoverageAnalysis]: Checked inductivity of 16695 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16695 trivial. 0 not checked. [2022-01-31 23:16:20,910 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:16:20,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1283641258] [2022-01-31 23:16:20,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1283641258] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:16:20,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:16:20,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [110] imperfect sequences [] total 110 [2022-01-31 23:16:20,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783246440] [2022-01-31 23:16:20,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:16:20,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2022-01-31 23:16:20,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:16:20,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2022-01-31 23:16:20,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5888, Invalid=6102, Unknown=0, NotChecked=0, Total=11990 [2022-01-31 23:16:20,914 INFO L87 Difference]: Start difference. First operand 658 states and 871 transitions. Second operand has 110 states, 110 states have (on average 4.927272727272728) internal successors, (542), 109 states have internal predecessors, (542), 108 states have call successors, (109), 3 states have call predecessors, (109), 1 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2022-01-31 23:16:24,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:16:24,475 INFO L93 Difference]: Finished difference Result 1216 states and 1649 transitions. [2022-01-31 23:16:24,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-01-31 23:16:24,475 INFO L78 Accepts]: Start accepts. Automaton has has 110 states, 110 states have (on average 4.927272727272728) internal successors, (542), 109 states have internal predecessors, (542), 108 states have call successors, (109), 3 states have call predecessors, (109), 1 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) Word has length 968 [2022-01-31 23:16:24,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:16:24,477 INFO L225 Difference]: With dead ends: 1216 [2022-01-31 23:16:24,477 INFO L226 Difference]: Without dead ends: 1204 [2022-01-31 23:16:24,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=5998, Invalid=6212, Unknown=0, NotChecked=0, Total=12210 [2022-01-31 23:16:24,478 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 2750 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 1289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2858 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 2875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1289 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-31 23:16:24,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2858 Valid, 960 Invalid, 2875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1289 Valid, 1586 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-31 23:16:24,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2022-01-31 23:16:24,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 664. [2022-01-31 23:16:24,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 550 states have (on average 1.2) internal successors, (660), 550 states have internal predecessors, (660), 110 states have call successors, (110), 4 states have call predecessors, (110), 3 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2022-01-31 23:16:24,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 879 transitions. [2022-01-31 23:16:24,492 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 879 transitions. Word has length 968 [2022-01-31 23:16:24,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:16:24,493 INFO L470 AbstractCegarLoop]: Abstraction has 664 states and 879 transitions. [2022-01-31 23:16:24,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 4.927272727272728) internal successors, (542), 109 states have internal predecessors, (542), 108 states have call successors, (109), 3 states have call predecessors, (109), 1 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2022-01-31 23:16:24,493 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 879 transitions. [2022-01-31 23:16:24,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 978 [2022-01-31 23:16:24,498 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:16:24,498 INFO L514 BasicCegarLoop]: trace histogram [107, 107, 107, 107, 107, 107, 107, 107, 107, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:16:24,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-01-31 23:16:24,498 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:16:24,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:16:24,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1254408030, now seen corresponding path program 107 times [2022-01-31 23:16:24,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:16:24,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [621301766] [2022-01-31 23:16:24,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:16:24,502 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:16:24,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:16:24,578 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:16:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:16:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:16:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:16:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:16:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:16:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:16:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:16:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:16:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:16:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:16:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:16:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:16:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:16:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:16:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:16:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:16:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:16:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:16:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:16:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:16:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:16:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:16:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:16:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:16:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:16:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:16:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:16:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:16:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:16:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:16:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:16:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:16:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:16:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:16:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:16:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:16:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:16:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:16:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:16:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:16:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:16:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:16:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:16:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:16:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:16:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:16:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:16:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:16:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:16:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:16:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:16:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:16:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:16:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:28,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:16:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:16:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:16:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:16:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:16:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:16:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:16:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:16:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:16:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:16:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:16:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:16:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:16:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:16:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:16:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:16:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:16:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:16:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:16:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:16:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:16:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:16:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:16:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:16:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:16:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:16:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:16:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:16:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:16:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:16:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:16:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:16:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:16:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:16:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:16:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:16:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:16:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:16:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:16:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:16:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:16:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:16:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:16:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:16:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:16:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:16:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:16:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:16:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:16:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:16:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:16:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:16:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:16:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:16:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:16:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:29,070 INFO L134 CoverageAnalysis]: Checked inductivity of 17013 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17013 trivial. 0 not checked. [2022-01-31 23:16:29,070 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:16:29,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [621301766] [2022-01-31 23:16:29,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [621301766] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:16:29,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:16:29,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [111] imperfect sequences [] total 111 [2022-01-31 23:16:29,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945319121] [2022-01-31 23:16:29,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:16:29,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2022-01-31 23:16:29,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:16:29,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2022-01-31 23:16:29,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5997, Invalid=6213, Unknown=0, NotChecked=0, Total=12210 [2022-01-31 23:16:29,074 INFO L87 Difference]: Start difference. First operand 664 states and 879 transitions. Second operand has 111 states, 111 states have (on average 4.927927927927928) internal successors, (547), 110 states have internal predecessors, (547), 109 states have call successors, (110), 3 states have call predecessors, (110), 1 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2022-01-31 23:16:32,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:16:32,697 INFO L93 Difference]: Finished difference Result 1227 states and 1664 transitions. [2022-01-31 23:16:32,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2022-01-31 23:16:32,698 INFO L78 Accepts]: Start accepts. Automaton has has 111 states, 111 states have (on average 4.927927927927928) internal successors, (547), 110 states have internal predecessors, (547), 109 states have call successors, (110), 3 states have call predecessors, (110), 1 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) Word has length 977 [2022-01-31 23:16:32,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:16:32,700 INFO L225 Difference]: With dead ends: 1227 [2022-01-31 23:16:32,700 INFO L226 Difference]: Without dead ends: 1215 [2022-01-31 23:16:32,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=6108, Invalid=6324, Unknown=0, NotChecked=0, Total=12432 [2022-01-31 23:16:32,701 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 2567 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 1795 mSolverCounterSat, 1195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2676 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 2990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1195 IncrementalHoareTripleChecker+Valid, 1795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-31 23:16:32,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2676 Valid, 986 Invalid, 2990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1195 Valid, 1795 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-31 23:16:32,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2022-01-31 23:16:32,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 670. [2022-01-31 23:16:32,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 555 states have (on average 1.2) internal successors, (666), 555 states have internal predecessors, (666), 111 states have call successors, (111), 4 states have call predecessors, (111), 3 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2022-01-31 23:16:32,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 887 transitions. [2022-01-31 23:16:32,715 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 887 transitions. Word has length 977 [2022-01-31 23:16:32,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:16:32,716 INFO L470 AbstractCegarLoop]: Abstraction has 670 states and 887 transitions. [2022-01-31 23:16:32,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 4.927927927927928) internal successors, (547), 110 states have internal predecessors, (547), 109 states have call successors, (110), 3 states have call predecessors, (110), 1 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2022-01-31 23:16:32,716 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 887 transitions. [2022-01-31 23:16:32,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 987 [2022-01-31 23:16:32,721 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:16:32,721 INFO L514 BasicCegarLoop]: trace histogram [108, 108, 108, 108, 108, 108, 108, 108, 108, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:16:32,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-01-31 23:16:32,721 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:16:32,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:16:32,722 INFO L85 PathProgramCache]: Analyzing trace with hash -574119452, now seen corresponding path program 108 times [2022-01-31 23:16:32,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:16:32,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1597658558] [2022-01-31 23:16:32,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:16:32,725 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:16:32,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:16:32,808 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:16:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:16:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:16:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:16:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:16:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:16:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:16:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:16:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:16:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:16:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:16:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:16:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:16:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:16:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:16:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:16:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:16:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:16:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:16:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:16:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:16:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:16:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:16:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:16:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:16:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:16:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:16:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:16:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:16:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:16:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:16:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:16:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:16:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:16:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:16:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:16:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:16:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:16:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:16:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:16:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:16:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:16:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:16:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:16:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:16:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:16:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:16:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:16:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:16:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:16:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:16:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:16:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:16:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:16:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:16:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:16:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:16:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:16:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:16:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:16:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:16:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:16:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:16:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:16:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:16:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:16:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:16:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:16:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:16:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:16:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:16:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:16:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:16:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:16:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:16:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:16:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:16:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:16:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:16:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:16:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:16:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:16:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:16:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:16:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:16:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:16:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:16:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:16:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:16:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:16:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:16:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:16:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:16:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:16:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:16:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:16:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:16:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:16:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:16:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:16:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:16:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:16:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:16:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:16:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:16:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:16:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:16:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:16:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:16:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:16:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:37,333 INFO L134 CoverageAnalysis]: Checked inductivity of 17334 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17334 trivial. 0 not checked. [2022-01-31 23:16:37,334 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:16:37,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1597658558] [2022-01-31 23:16:37,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1597658558] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:16:37,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:16:37,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [112] imperfect sequences [] total 112 [2022-01-31 23:16:37,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061327069] [2022-01-31 23:16:37,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:16:37,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2022-01-31 23:16:37,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:16:37,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2022-01-31 23:16:37,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6107, Invalid=6325, Unknown=0, NotChecked=0, Total=12432 [2022-01-31 23:16:37,338 INFO L87 Difference]: Start difference. First operand 670 states and 887 transitions. Second operand has 112 states, 112 states have (on average 4.928571428571429) internal successors, (552), 111 states have internal predecessors, (552), 110 states have call successors, (111), 3 states have call predecessors, (111), 1 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2022-01-31 23:16:40,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:16:40,934 INFO L93 Difference]: Finished difference Result 1238 states and 1679 transitions. [2022-01-31 23:16:40,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-01-31 23:16:40,935 INFO L78 Accepts]: Start accepts. Automaton has has 112 states, 112 states have (on average 4.928571428571429) internal successors, (552), 111 states have internal predecessors, (552), 110 states have call successors, (111), 3 states have call predecessors, (111), 1 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) Word has length 986 [2022-01-31 23:16:40,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:16:40,937 INFO L225 Difference]: With dead ends: 1238 [2022-01-31 23:16:40,937 INFO L226 Difference]: Without dead ends: 1226 [2022-01-31 23:16:40,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=6219, Invalid=6437, Unknown=0, NotChecked=0, Total=12656 [2022-01-31 23:16:40,938 INFO L933 BasicCegarLoop]: 240 mSDtfsCounter, 2385 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 1910 mSolverCounterSat, 1112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2495 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 3022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1112 IncrementalHoareTripleChecker+Valid, 1910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:16:40,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2495 Valid, 997 Invalid, 3022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1112 Valid, 1910 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-31 23:16:40,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2022-01-31 23:16:40,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 676. [2022-01-31 23:16:40,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 560 states have (on average 1.2) internal successors, (672), 560 states have internal predecessors, (672), 112 states have call successors, (112), 4 states have call predecessors, (112), 3 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2022-01-31 23:16:40,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 895 transitions. [2022-01-31 23:16:40,952 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 895 transitions. Word has length 986 [2022-01-31 23:16:40,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:16:40,952 INFO L470 AbstractCegarLoop]: Abstraction has 676 states and 895 transitions. [2022-01-31 23:16:40,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 4.928571428571429) internal successors, (552), 111 states have internal predecessors, (552), 110 states have call successors, (111), 3 states have call predecessors, (111), 1 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2022-01-31 23:16:40,952 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 895 transitions. [2022-01-31 23:16:40,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 996 [2022-01-31 23:16:40,957 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:16:40,957 INFO L514 BasicCegarLoop]: trace histogram [109, 109, 109, 109, 109, 109, 109, 109, 109, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:16:40,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-01-31 23:16:40,957 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:16:40,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:16:40,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1636272866, now seen corresponding path program 109 times [2022-01-31 23:16:40,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:16:40,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1541625750] [2022-01-31 23:16:40,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:16:40,961 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:16:40,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:16:41,049 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:16:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:16:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:16:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:16:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:16:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:16:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:16:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:16:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:16:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:16:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:16:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:16:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:16:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:16:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:16:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:16:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:16:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:16:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:16:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:16:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:16:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:16:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:16:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:16:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:16:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:16:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:16:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:16:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:16:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:16:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:16:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:16:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:16:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:16:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:16:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:16:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:16:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:16:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:16:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:16:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:16:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:16:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:16:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:16:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:16:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:16:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:16:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:16:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:16:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:16:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:16:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:16:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:16:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:16:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:16:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:16:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:16:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:16:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:16:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:16:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:16:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:16:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:16:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:16:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:16:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:16:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:16:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:16:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:16:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:16:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:16:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:16:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:16:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:16:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:16:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:16:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:16:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:16:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:16:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:16:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:16:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:16:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:16:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:16:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:16:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:16:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:16:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:16:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:16:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:16:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:16:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:16:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:16:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:16:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:16:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:16:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:16:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:16:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:16:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:16:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:16:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:16:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:16:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:16:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:16:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:16:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:16:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:16:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:16:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:16:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:16:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:45,736 INFO L134 CoverageAnalysis]: Checked inductivity of 17658 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17658 trivial. 0 not checked. [2022-01-31 23:16:45,736 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:16:45,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1541625750] [2022-01-31 23:16:45,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1541625750] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:16:45,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:16:45,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [113] imperfect sequences [] total 113 [2022-01-31 23:16:45,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129236758] [2022-01-31 23:16:45,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:16:45,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2022-01-31 23:16:45,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:16:45,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2022-01-31 23:16:45,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6218, Invalid=6438, Unknown=0, NotChecked=0, Total=12656 [2022-01-31 23:16:45,741 INFO L87 Difference]: Start difference. First operand 676 states and 895 transitions. Second operand has 113 states, 113 states have (on average 4.929203539823009) internal successors, (557), 112 states have internal predecessors, (557), 111 states have call successors, (112), 3 states have call predecessors, (112), 1 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2022-01-31 23:16:49,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:16:49,434 INFO L93 Difference]: Finished difference Result 1249 states and 1694 transitions. [2022-01-31 23:16:49,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2022-01-31 23:16:49,435 INFO L78 Accepts]: Start accepts. Automaton has has 113 states, 113 states have (on average 4.929203539823009) internal successors, (557), 112 states have internal predecessors, (557), 111 states have call successors, (112), 3 states have call predecessors, (112), 1 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) Word has length 995 [2022-01-31 23:16:49,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:16:49,437 INFO L225 Difference]: With dead ends: 1249 [2022-01-31 23:16:49,437 INFO L226 Difference]: Without dead ends: 1237 [2022-01-31 23:16:49,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=6331, Invalid=6551, Unknown=0, NotChecked=0, Total=12882 [2022-01-31 23:16:49,438 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 2388 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 1807 mSolverCounterSat, 1110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2499 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 2917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1110 IncrementalHoareTripleChecker+Valid, 1807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:16:49,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2499 Valid, 994 Invalid, 2917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1110 Valid, 1807 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-31 23:16:49,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2022-01-31 23:16:49,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 682. [2022-01-31 23:16:49,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 565 states have (on average 1.2) internal successors, (678), 565 states have internal predecessors, (678), 113 states have call successors, (113), 4 states have call predecessors, (113), 3 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2022-01-31 23:16:49,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 903 transitions. [2022-01-31 23:16:49,452 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 903 transitions. Word has length 995 [2022-01-31 23:16:49,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:16:49,452 INFO L470 AbstractCegarLoop]: Abstraction has 682 states and 903 transitions. [2022-01-31 23:16:49,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 4.929203539823009) internal successors, (557), 112 states have internal predecessors, (557), 111 states have call successors, (112), 3 states have call predecessors, (112), 1 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2022-01-31 23:16:49,453 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 903 transitions. [2022-01-31 23:16:49,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1005 [2022-01-31 23:16:49,458 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:16:49,458 INFO L514 BasicCegarLoop]: trace histogram [110, 110, 110, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:16:49,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-01-31 23:16:49,458 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:16:49,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:16:49,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1811226716, now seen corresponding path program 110 times [2022-01-31 23:16:49,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:16:49,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [285983410] [2022-01-31 23:16:49,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:16:49,461 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:16:49,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:16:49,540 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:16:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:16:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:16:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:16:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:16:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:16:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:16:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:16:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:16:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:16:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:16:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:16:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:16:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:16:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:16:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:16:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:16:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:16:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:16:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:16:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:16:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:16:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:16:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:16:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:16:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:16:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:16:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:16:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:16:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:16:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:16:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:16:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:16:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:16:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:16:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:16:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:16:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:16:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:16:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:16:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:16:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:16:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:16:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:16:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:16:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:16:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:16:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:16:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:16:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:16:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:16:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:16:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:16:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:16:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:16:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:16:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:16:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:16:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:16:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:16:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:16:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:16:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:16:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:16:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:16:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:16:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:16:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:16:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:16:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:16:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:16:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:16:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:16:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:16:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:16:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:16:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:16:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:16:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:16:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:16:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:16:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:16:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:16:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:16:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:16:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:16:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:16:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:16:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:16:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:16:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:16:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:16:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:16:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:16:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:16:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:16:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:16:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:16:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:16:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:16:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:16:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:16:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:16:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:16:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:16:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:16:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:16:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:16:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:16:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:16:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:16:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:16:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:16:54,371 INFO L134 CoverageAnalysis]: Checked inductivity of 17985 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17985 trivial. 0 not checked. [2022-01-31 23:16:54,371 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:16:54,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [285983410] [2022-01-31 23:16:54,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [285983410] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:16:54,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:16:54,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [114] imperfect sequences [] total 114 [2022-01-31 23:16:54,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050455256] [2022-01-31 23:16:54,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:16:54,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2022-01-31 23:16:54,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:16:54,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2022-01-31 23:16:54,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6330, Invalid=6552, Unknown=0, NotChecked=0, Total=12882 [2022-01-31 23:16:54,376 INFO L87 Difference]: Start difference. First operand 682 states and 903 transitions. Second operand has 114 states, 114 states have (on average 4.9298245614035086) internal successors, (562), 113 states have internal predecessors, (562), 112 states have call successors, (113), 3 states have call predecessors, (113), 1 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2022-01-31 23:16:58,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:16:58,359 INFO L93 Difference]: Finished difference Result 1260 states and 1709 transitions. [2022-01-31 23:16:58,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-01-31 23:16:58,359 INFO L78 Accepts]: Start accepts. Automaton has has 114 states, 114 states have (on average 4.9298245614035086) internal successors, (562), 113 states have internal predecessors, (562), 112 states have call successors, (113), 3 states have call predecessors, (113), 1 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) Word has length 1004 [2022-01-31 23:16:58,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:16:58,361 INFO L225 Difference]: With dead ends: 1260 [2022-01-31 23:16:58,361 INFO L226 Difference]: Without dead ends: 1248 [2022-01-31 23:16:58,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=6444, Invalid=6666, Unknown=0, NotChecked=0, Total=13110 [2022-01-31 23:16:58,362 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 2447 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 1810 mSolverCounterSat, 1139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2559 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 2949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1139 IncrementalHoareTripleChecker+Valid, 1810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:16:58,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2559 Valid, 993 Invalid, 2949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1139 Valid, 1810 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-31 23:16:58,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2022-01-31 23:16:58,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 688. [2022-01-31 23:16:58,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 570 states have (on average 1.2) internal successors, (684), 570 states have internal predecessors, (684), 114 states have call successors, (114), 4 states have call predecessors, (114), 3 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2022-01-31 23:16:58,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 911 transitions. [2022-01-31 23:16:58,377 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 911 transitions. Word has length 1004 [2022-01-31 23:16:58,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:16:58,378 INFO L470 AbstractCegarLoop]: Abstraction has 688 states and 911 transitions. [2022-01-31 23:16:58,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 4.9298245614035086) internal successors, (562), 113 states have internal predecessors, (562), 112 states have call successors, (113), 3 states have call predecessors, (113), 1 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2022-01-31 23:16:58,378 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 911 transitions. [2022-01-31 23:16:58,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1014 [2022-01-31 23:16:58,383 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:16:58,383 INFO L514 BasicCegarLoop]: trace histogram [111, 111, 111, 111, 111, 111, 111, 111, 111, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:16:58,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-01-31 23:16:58,383 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:16:58,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:16:58,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1112685278, now seen corresponding path program 111 times [2022-01-31 23:16:58,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:16:58,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [270191926] [2022-01-31 23:16:58,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:16:58,390 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:16:58,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:16:58,473 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:16:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:17:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:17:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:17:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:17:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:17:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:17:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:17:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:17:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:17:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:17:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:17:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:17:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:17:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:17:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:17:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:17:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:17:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:17:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:17:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:17:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:17:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:17:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:17:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:17:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:17:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:17:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:17:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:17:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:17:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:17:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:17:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:17:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:17:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:17:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:17:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:17:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:17:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:17:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:17:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:17:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:17:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:17:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:17:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:17:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:17:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:17:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:17:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:17:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:17:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:17:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:17:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:17:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:17:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:17:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:17:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:17:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:17:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:17:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:17:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:17:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:17:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:17:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:17:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:17:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:17:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:17:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:17:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:17:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:17:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:17:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:17:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:17:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:17:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:17:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:17:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:17:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:17:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:17:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:17:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:17:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:17:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:17:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:17:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:17:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:17:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:17:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:17:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:17:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:17:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:17:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:17:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:17:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:17:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:17:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:17:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:17:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:17:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:17:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:17:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:17:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:17:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:17:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:17:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:17:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:17:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:17:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:17:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:17:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:17:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:17:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:17:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:17:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:03,310 INFO L134 CoverageAnalysis]: Checked inductivity of 18315 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18315 trivial. 0 not checked. [2022-01-31 23:17:03,310 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:17:03,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [270191926] [2022-01-31 23:17:03,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [270191926] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:17:03,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:17:03,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [115] imperfect sequences [] total 115 [2022-01-31 23:17:03,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422167167] [2022-01-31 23:17:03,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:17:03,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2022-01-31 23:17:03,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:17:03,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2022-01-31 23:17:03,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6443, Invalid=6667, Unknown=0, NotChecked=0, Total=13110 [2022-01-31 23:17:03,315 INFO L87 Difference]: Start difference. First operand 688 states and 911 transitions. Second operand has 115 states, 115 states have (on average 4.930434782608696) internal successors, (567), 114 states have internal predecessors, (567), 113 states have call successors, (114), 3 states have call predecessors, (114), 1 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2022-01-31 23:17:07,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:17:07,191 INFO L93 Difference]: Finished difference Result 1271 states and 1724 transitions. [2022-01-31 23:17:07,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-01-31 23:17:07,192 INFO L78 Accepts]: Start accepts. Automaton has has 115 states, 115 states have (on average 4.930434782608696) internal successors, (567), 114 states have internal predecessors, (567), 113 states have call successors, (114), 3 states have call predecessors, (114), 1 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) Word has length 1013 [2022-01-31 23:17:07,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:17:07,194 INFO L225 Difference]: With dead ends: 1271 [2022-01-31 23:17:07,194 INFO L226 Difference]: Without dead ends: 1259 [2022-01-31 23:17:07,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=6558, Invalid=6782, Unknown=0, NotChecked=0, Total=13340 [2022-01-31 23:17:07,195 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 2794 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 1805 mSolverCounterSat, 1305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2907 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 3110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1305 IncrementalHoareTripleChecker+Valid, 1805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:17:07,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2907 Valid, 1026 Invalid, 3110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1305 Valid, 1805 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-31 23:17:07,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2022-01-31 23:17:07,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 694. [2022-01-31 23:17:07,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 575 states have (on average 1.2) internal successors, (690), 575 states have internal predecessors, (690), 115 states have call successors, (115), 4 states have call predecessors, (115), 3 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2022-01-31 23:17:07,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 919 transitions. [2022-01-31 23:17:07,211 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 919 transitions. Word has length 1013 [2022-01-31 23:17:07,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:17:07,212 INFO L470 AbstractCegarLoop]: Abstraction has 694 states and 919 transitions. [2022-01-31 23:17:07,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 4.930434782608696) internal successors, (567), 114 states have internal predecessors, (567), 113 states have call successors, (114), 3 states have call predecessors, (114), 1 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2022-01-31 23:17:07,212 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 919 transitions. [2022-01-31 23:17:07,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1023 [2022-01-31 23:17:07,217 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:17:07,217 INFO L514 BasicCegarLoop]: trace histogram [112, 112, 112, 112, 112, 112, 112, 112, 112, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:17:07,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-01-31 23:17:07,218 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:17:07,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:17:07,218 INFO L85 PathProgramCache]: Analyzing trace with hash 950152548, now seen corresponding path program 112 times [2022-01-31 23:17:07,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:17:07,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1494897192] [2022-01-31 23:17:07,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:17:07,221 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:17:07,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:17:07,312 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:17:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:17:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:17:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:17:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:17:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:17:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:17:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:17:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:17:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:17:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:17:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:17:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:17:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:17:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:17:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:17:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:17:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:17:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:17:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:17:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:17:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:17:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:17:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:17:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:17:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:17:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:17:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:17:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:17:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:17:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:17:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:17:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:17:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:17:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:17:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:17:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:17:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:17:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:17:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:17:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:17:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:17:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:17:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:17:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:17:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:17:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:17:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:17:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:17:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:17:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:17:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:17:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:17:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:17:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:17:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:17:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:17:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:17:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:17:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:17:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:17:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:17:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:17:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:17:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:17:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:17:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:17:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:17:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:17:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:17:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:17:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:17:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:17:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:17:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:17:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:17:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:17:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:17:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:17:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:17:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:17:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:17:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:17:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:17:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:17:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:17:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:17:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:17:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:17:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:17:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:17:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:17:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:17:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:17:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:17:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:17:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:17:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:17:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:17:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:17:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:17:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:17:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:17:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:17:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:17:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:17:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:17:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:17:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:17:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:17:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:17:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:17:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:17:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:17:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:12,159 INFO L134 CoverageAnalysis]: Checked inductivity of 18648 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18648 trivial. 0 not checked. [2022-01-31 23:17:12,160 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:17:12,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1494897192] [2022-01-31 23:17:12,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1494897192] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:17:12,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:17:12,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [116] imperfect sequences [] total 116 [2022-01-31 23:17:12,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951668650] [2022-01-31 23:17:12,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:17:12,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2022-01-31 23:17:12,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:17:12,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2022-01-31 23:17:12,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6557, Invalid=6783, Unknown=0, NotChecked=0, Total=13340 [2022-01-31 23:17:12,163 INFO L87 Difference]: Start difference. First operand 694 states and 919 transitions. Second operand has 116 states, 116 states have (on average 4.931034482758621) internal successors, (572), 115 states have internal predecessors, (572), 114 states have call successors, (115), 3 states have call predecessors, (115), 1 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2022-01-31 23:17:16,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:17:16,244 INFO L93 Difference]: Finished difference Result 1282 states and 1739 transitions. [2022-01-31 23:17:16,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-01-31 23:17:16,245 INFO L78 Accepts]: Start accepts. Automaton has has 116 states, 116 states have (on average 4.931034482758621) internal successors, (572), 115 states have internal predecessors, (572), 114 states have call successors, (115), 3 states have call predecessors, (115), 1 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) Word has length 1022 [2022-01-31 23:17:16,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:17:16,247 INFO L225 Difference]: With dead ends: 1282 [2022-01-31 23:17:16,247 INFO L226 Difference]: Without dead ends: 1270 [2022-01-31 23:17:16,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=6673, Invalid=6899, Unknown=0, NotChecked=0, Total=13572 [2022-01-31 23:17:16,248 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 2543 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 1874 mSolverCounterSat, 1184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2657 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 3058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1184 IncrementalHoareTripleChecker+Valid, 1874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:17:16,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2657 Valid, 1016 Invalid, 3058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1184 Valid, 1874 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-31 23:17:16,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2022-01-31 23:17:16,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 700. [2022-01-31 23:17:16,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 580 states have (on average 1.2) internal successors, (696), 580 states have internal predecessors, (696), 116 states have call successors, (116), 4 states have call predecessors, (116), 3 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2022-01-31 23:17:16,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 927 transitions. [2022-01-31 23:17:16,265 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 927 transitions. Word has length 1022 [2022-01-31 23:17:16,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:17:16,265 INFO L470 AbstractCegarLoop]: Abstraction has 700 states and 927 transitions. [2022-01-31 23:17:16,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 4.931034482758621) internal successors, (572), 115 states have internal predecessors, (572), 114 states have call successors, (115), 3 states have call predecessors, (115), 1 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2022-01-31 23:17:16,265 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 927 transitions. [2022-01-31 23:17:16,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1032 [2022-01-31 23:17:16,271 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:17:16,271 INFO L514 BasicCegarLoop]: trace histogram [113, 113, 113, 113, 113, 113, 113, 113, 113, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:17:16,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-01-31 23:17:16,271 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:17:16,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:17:16,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1592660126, now seen corresponding path program 113 times [2022-01-31 23:17:16,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:17:16,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1542049767] [2022-01-31 23:17:16,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:17:16,277 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:17:16,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:17:16,365 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:17:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:17:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:17:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:17:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:17:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:17:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:17:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:17:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:17:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:17:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:17:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:17:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:17:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:17:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:17:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:17:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:17:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:17:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:17:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:17:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:17:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:17:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:17:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:17:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:17:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:17:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:17:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:17:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:17:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:17:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:17:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:17:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:17:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:17:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:17:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:17:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:17:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:17:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:17:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:17:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:17:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:17:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:17:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:17:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:17:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:17:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:17:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:17:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:17:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:17:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:17:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:17:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:17:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:17:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:17:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:17:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:17:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:17:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:17:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:17:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:17:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:17:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:17:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:17:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:17:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:17:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:17:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:17:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:17:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:17:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:17:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:17:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:17:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:17:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:17:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:17:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:17:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:17:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:17:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:17:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:17:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:17:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:17:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:17:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:17:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:17:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:17:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:17:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:17:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:17:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:17:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:17:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:17:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:17:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:17:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:17:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:17:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:17:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:17:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:17:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:17:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:17:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:17:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:17:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:17:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:17:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:17:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:17:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:17:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:17:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:17:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:17:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:17:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:17:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:17:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:21,323 INFO L134 CoverageAnalysis]: Checked inductivity of 18984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18984 trivial. 0 not checked. [2022-01-31 23:17:21,323 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:17:21,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1542049767] [2022-01-31 23:17:21,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1542049767] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:17:21,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:17:21,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [117] imperfect sequences [] total 117 [2022-01-31 23:17:21,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798186147] [2022-01-31 23:17:21,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:17:21,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2022-01-31 23:17:21,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:17:21,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2022-01-31 23:17:21,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6672, Invalid=6900, Unknown=0, NotChecked=0, Total=13572 [2022-01-31 23:17:21,327 INFO L87 Difference]: Start difference. First operand 700 states and 927 transitions. Second operand has 117 states, 117 states have (on average 4.931623931623932) internal successors, (577), 116 states have internal predecessors, (577), 115 states have call successors, (116), 3 states have call predecessors, (116), 1 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2022-01-31 23:17:25,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:17:25,423 INFO L93 Difference]: Finished difference Result 1293 states and 1754 transitions. [2022-01-31 23:17:25,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-01-31 23:17:25,424 INFO L78 Accepts]: Start accepts. Automaton has has 117 states, 117 states have (on average 4.931623931623932) internal successors, (577), 116 states have internal predecessors, (577), 115 states have call successors, (116), 3 states have call predecessors, (116), 1 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) Word has length 1031 [2022-01-31 23:17:25,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:17:25,426 INFO L225 Difference]: With dead ends: 1293 [2022-01-31 23:17:25,426 INFO L226 Difference]: Without dead ends: 1281 [2022-01-31 23:17:25,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=6789, Invalid=7017, Unknown=0, NotChecked=0, Total=13806 [2022-01-31 23:17:25,427 INFO L933 BasicCegarLoop]: 250 mSDtfsCounter, 2742 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 1877 mSolverCounterSat, 1286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2857 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 3163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1286 IncrementalHoareTripleChecker+Valid, 1877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:17:25,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2857 Valid, 1024 Invalid, 3163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1286 Valid, 1877 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-31 23:17:25,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2022-01-31 23:17:25,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 706. [2022-01-31 23:17:25,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 585 states have (on average 1.2) internal successors, (702), 585 states have internal predecessors, (702), 117 states have call successors, (117), 4 states have call predecessors, (117), 3 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2022-01-31 23:17:25,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 935 transitions. [2022-01-31 23:17:25,442 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 935 transitions. Word has length 1031 [2022-01-31 23:17:25,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:17:25,442 INFO L470 AbstractCegarLoop]: Abstraction has 706 states and 935 transitions. [2022-01-31 23:17:25,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 4.931623931623932) internal successors, (577), 116 states have internal predecessors, (577), 115 states have call successors, (116), 3 states have call predecessors, (116), 1 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2022-01-31 23:17:25,443 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 935 transitions. [2022-01-31 23:17:25,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1041 [2022-01-31 23:17:25,448 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:17:25,448 INFO L514 BasicCegarLoop]: trace histogram [114, 114, 114, 114, 114, 114, 114, 114, 114, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:17:25,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-01-31 23:17:25,448 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:17:25,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:17:25,449 INFO L85 PathProgramCache]: Analyzing trace with hash 78220068, now seen corresponding path program 114 times [2022-01-31 23:17:25,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:17:25,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821832891] [2022-01-31 23:17:25,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:17:25,452 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:17:25,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:17:25,560 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:17:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:17:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:17:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:17:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:17:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:17:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:17:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:17:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:17:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:17:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:17:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:17:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:17:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:17:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:17:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:17:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:17:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:17:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:17:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:17:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:17:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:17:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:17:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:17:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:17:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:17:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:17:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:17:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:17:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:17:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:17:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:17:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:17:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:17:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:17:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:17:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:17:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:17:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:17:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:17:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:17:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:17:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:17:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:17:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:17:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:17:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:17:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:17:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:17:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:17:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:17:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:17:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:17:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:17:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:17:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:17:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:17:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:17:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:17:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:17:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:17:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:17:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:17:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:17:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:17:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:17:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:17:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:17:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:17:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:17:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:17:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:17:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:17:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:17:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:17:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:17:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:17:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:17:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:17:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:17:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:17:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:17:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:17:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:17:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:17:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:17:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:17:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:17:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:17:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:17:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:17:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:17:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:17:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:17:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:17:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:17:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:17:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:17:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:17:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:17:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:17:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:17:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:17:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:17:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:17:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:17:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:17:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:17:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:17:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:17:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:17:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:17:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:17:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:17:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:17:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:17:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:30,578 INFO L134 CoverageAnalysis]: Checked inductivity of 19323 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19323 trivial. 0 not checked. [2022-01-31 23:17:30,578 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:17:30,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821832891] [2022-01-31 23:17:30,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [821832891] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:17:30,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:17:30,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [118] imperfect sequences [] total 118 [2022-01-31 23:17:30,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803608434] [2022-01-31 23:17:30,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:17:30,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 118 states [2022-01-31 23:17:30,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:17:30,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2022-01-31 23:17:30,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6788, Invalid=7018, Unknown=0, NotChecked=0, Total=13806 [2022-01-31 23:17:30,582 INFO L87 Difference]: Start difference. First operand 706 states and 935 transitions. Second operand has 118 states, 118 states have (on average 4.932203389830509) internal successors, (582), 117 states have internal predecessors, (582), 116 states have call successors, (117), 3 states have call predecessors, (117), 1 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2022-01-31 23:17:34,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:17:34,725 INFO L93 Difference]: Finished difference Result 1304 states and 1769 transitions. [2022-01-31 23:17:34,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-01-31 23:17:34,726 INFO L78 Accepts]: Start accepts. Automaton has has 118 states, 118 states have (on average 4.932203389830509) internal successors, (582), 117 states have internal predecessors, (582), 116 states have call successors, (117), 3 states have call predecessors, (117), 1 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) Word has length 1040 [2022-01-31 23:17:34,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:17:34,728 INFO L225 Difference]: With dead ends: 1304 [2022-01-31 23:17:34,728 INFO L226 Difference]: Without dead ends: 1292 [2022-01-31 23:17:34,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=6906, Invalid=7136, Unknown=0, NotChecked=0, Total=14042 [2022-01-31 23:17:34,729 INFO L933 BasicCegarLoop]: 252 mSDtfsCounter, 2515 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 2246 mSolverCounterSat, 1168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2631 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 3414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1168 IncrementalHoareTripleChecker+Valid, 2246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-31 23:17:34,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2631 Valid, 1038 Invalid, 3414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1168 Valid, 2246 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-31 23:17:34,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2022-01-31 23:17:34,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 712. [2022-01-31 23:17:34,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 590 states have (on average 1.2) internal successors, (708), 590 states have internal predecessors, (708), 118 states have call successors, (118), 4 states have call predecessors, (118), 3 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2022-01-31 23:17:34,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 943 transitions. [2022-01-31 23:17:34,745 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 943 transitions. Word has length 1040 [2022-01-31 23:17:34,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:17:34,745 INFO L470 AbstractCegarLoop]: Abstraction has 712 states and 943 transitions. [2022-01-31 23:17:34,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 118 states, 118 states have (on average 4.932203389830509) internal successors, (582), 117 states have internal predecessors, (582), 116 states have call successors, (117), 3 states have call predecessors, (117), 1 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2022-01-31 23:17:34,746 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 943 transitions. [2022-01-31 23:17:34,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1050 [2022-01-31 23:17:34,751 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:17:34,751 INFO L514 BasicCegarLoop]: trace histogram [115, 115, 115, 115, 115, 115, 115, 115, 115, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:17:34,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-01-31 23:17:34,751 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:17:34,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:17:34,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1377307042, now seen corresponding path program 115 times [2022-01-31 23:17:34,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:17:34,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1719775740] [2022-01-31 23:17:34,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:17:34,756 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:17:34,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:17:34,855 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:17:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:17:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:17:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:17:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:17:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:17:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:17:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:17:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:17:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:17:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:17:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:17:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:17:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:17:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:17:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:17:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:17:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:17:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:17:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:17:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:17:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:17:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:17:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:17:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:17:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:17:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:17:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:17:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:17:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:17:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:17:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:17:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:17:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:17:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:17:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:17:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:17:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:17:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:17:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:17:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:17:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:17:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:17:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:17:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:17:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:17:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:17:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:17:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:17:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:17:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:17:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:17:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:17:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:17:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:17:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:17:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:17:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:17:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:17:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:17:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:17:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:17:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:17:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:17:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:17:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:17:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:17:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:17:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:17:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:17:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:17:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:17:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:17:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:17:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:17:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:17:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:17:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:17:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:17:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:17:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:17:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:17:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:17:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:17:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:17:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:17:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:17:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:17:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:17:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:17:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:17:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:17:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:17:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:17:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:17:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:17:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:17:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:17:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:17:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:17:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:17:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:17:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:17:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:17:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:17:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:17:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:17:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:17:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:17:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:17:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:17:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:17:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:17:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:17:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:17:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:17:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:17:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:39,867 INFO L134 CoverageAnalysis]: Checked inductivity of 19665 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19665 trivial. 0 not checked. [2022-01-31 23:17:39,867 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:17:39,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1719775740] [2022-01-31 23:17:39,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1719775740] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:17:39,867 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:17:39,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [119] imperfect sequences [] total 119 [2022-01-31 23:17:39,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908006331] [2022-01-31 23:17:39,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:17:39,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 119 states [2022-01-31 23:17:39,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:17:39,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2022-01-31 23:17:39,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6905, Invalid=7137, Unknown=0, NotChecked=0, Total=14042 [2022-01-31 23:17:39,870 INFO L87 Difference]: Start difference. First operand 712 states and 943 transitions. Second operand has 119 states, 119 states have (on average 4.932773109243698) internal successors, (587), 118 states have internal predecessors, (587), 117 states have call successors, (118), 3 states have call predecessors, (118), 1 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2022-01-31 23:17:44,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:17:44,130 INFO L93 Difference]: Finished difference Result 1315 states and 1784 transitions. [2022-01-31 23:17:44,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-01-31 23:17:44,130 INFO L78 Accepts]: Start accepts. Automaton has has 119 states, 119 states have (on average 4.932773109243698) internal successors, (587), 118 states have internal predecessors, (587), 117 states have call successors, (118), 3 states have call predecessors, (118), 1 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) Word has length 1049 [2022-01-31 23:17:44,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:17:44,132 INFO L225 Difference]: With dead ends: 1315 [2022-01-31 23:17:44,132 INFO L226 Difference]: Without dead ends: 1303 [2022-01-31 23:17:44,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=7024, Invalid=7256, Unknown=0, NotChecked=0, Total=14280 [2022-01-31 23:17:44,133 INFO L933 BasicCegarLoop]: 254 mSDtfsCounter, 2639 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 1787 mSolverCounterSat, 1232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2756 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 3019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1232 IncrementalHoareTripleChecker+Valid, 1787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:17:44,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2756 Valid, 1054 Invalid, 3019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1232 Valid, 1787 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-31 23:17:44,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2022-01-31 23:17:44,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 718. [2022-01-31 23:17:44,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 595 states have (on average 1.2) internal successors, (714), 595 states have internal predecessors, (714), 119 states have call successors, (119), 4 states have call predecessors, (119), 3 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118) [2022-01-31 23:17:44,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 951 transitions. [2022-01-31 23:17:44,149 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 951 transitions. Word has length 1049 [2022-01-31 23:17:44,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:17:44,149 INFO L470 AbstractCegarLoop]: Abstraction has 718 states and 951 transitions. [2022-01-31 23:17:44,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 119 states, 119 states have (on average 4.932773109243698) internal successors, (587), 118 states have internal predecessors, (587), 117 states have call successors, (118), 3 states have call predecessors, (118), 1 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2022-01-31 23:17:44,149 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 951 transitions. [2022-01-31 23:17:44,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1059 [2022-01-31 23:17:44,155 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:17:44,155 INFO L514 BasicCegarLoop]: trace histogram [116, 116, 116, 116, 116, 116, 116, 116, 116, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:17:44,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-01-31 23:17:44,155 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:17:44,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:17:44,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1573062428, now seen corresponding path program 116 times [2022-01-31 23:17:44,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:17:44,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754192701] [2022-01-31 23:17:44,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:17:44,159 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:17:44,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:17:44,261 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:17:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:17:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:17:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:17:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:17:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:17:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:17:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:17:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:17:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:17:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:17:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:17:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:17:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:17:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:17:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:17:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:17:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:17:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:17:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:17:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:17:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:17:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:17:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:17:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:17:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:17:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:17:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:17:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:17:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:17:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:17:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:17:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:17:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:17:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:17:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:17:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:17:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:17:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:17:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:17:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:17:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:17:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:17:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:17:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:17:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:17:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:17:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:17:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:17:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:17:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:17:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:17:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:17:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:17:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:17:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:17:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:17:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:17:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:17:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:17:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:17:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:17:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:17:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:17:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:17:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:17:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:17:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:17:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:17:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:17:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:17:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:17:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:17:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:17:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:17:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:17:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:17:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:17:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:17:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:17:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:17:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:17:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:17:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:17:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:17:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:17:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:17:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:17:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:17:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:17:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:17:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:17:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:17:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:17:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:17:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:17:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:17:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:17:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:17:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:17:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:17:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:17:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:17:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:17:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:17:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:17:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:17:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:17:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:17:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:17:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:17:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:17:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:17:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:17:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:17:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:17:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:17:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:17:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:49,435 INFO L134 CoverageAnalysis]: Checked inductivity of 20010 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20010 trivial. 0 not checked. [2022-01-31 23:17:49,435 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:17:49,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1754192701] [2022-01-31 23:17:49,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1754192701] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:17:49,435 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:17:49,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [120] imperfect sequences [] total 120 [2022-01-31 23:17:49,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809097650] [2022-01-31 23:17:49,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:17:49,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2022-01-31 23:17:49,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:17:49,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2022-01-31 23:17:49,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7023, Invalid=7257, Unknown=0, NotChecked=0, Total=14280 [2022-01-31 23:17:49,438 INFO L87 Difference]: Start difference. First operand 718 states and 951 transitions. Second operand has 120 states, 120 states have (on average 4.933333333333334) internal successors, (592), 119 states have internal predecessors, (592), 118 states have call successors, (119), 3 states have call predecessors, (119), 1 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2022-01-31 23:17:53,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:17:53,781 INFO L93 Difference]: Finished difference Result 1326 states and 1799 transitions. [2022-01-31 23:17:53,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-31 23:17:53,782 INFO L78 Accepts]: Start accepts. Automaton has has 120 states, 120 states have (on average 4.933333333333334) internal successors, (592), 119 states have internal predecessors, (592), 118 states have call successors, (119), 3 states have call predecessors, (119), 1 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) Word has length 1058 [2022-01-31 23:17:53,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:17:53,784 INFO L225 Difference]: With dead ends: 1326 [2022-01-31 23:17:53,784 INFO L226 Difference]: Without dead ends: 1314 [2022-01-31 23:17:53,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=7143, Invalid=7377, Unknown=0, NotChecked=0, Total=14520 [2022-01-31 23:17:53,785 INFO L933 BasicCegarLoop]: 256 mSDtfsCounter, 2892 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 1724 mSolverCounterSat, 1353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3010 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 3077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1353 IncrementalHoareTripleChecker+Valid, 1724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-31 23:17:53,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3010 Valid, 1030 Invalid, 3077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1353 Valid, 1724 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-31 23:17:53,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2022-01-31 23:17:53,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 724. [2022-01-31 23:17:53,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 600 states have (on average 1.2) internal successors, (720), 600 states have internal predecessors, (720), 120 states have call successors, (120), 4 states have call predecessors, (120), 3 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2022-01-31 23:17:53,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 959 transitions. [2022-01-31 23:17:53,825 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 959 transitions. Word has length 1058 [2022-01-31 23:17:53,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:17:53,826 INFO L470 AbstractCegarLoop]: Abstraction has 724 states and 959 transitions. [2022-01-31 23:17:53,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 4.933333333333334) internal successors, (592), 119 states have internal predecessors, (592), 118 states have call successors, (119), 3 states have call predecessors, (119), 1 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2022-01-31 23:17:53,826 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 959 transitions. [2022-01-31 23:17:53,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1068 [2022-01-31 23:17:53,832 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:17:53,832 INFO L514 BasicCegarLoop]: trace histogram [117, 117, 117, 117, 117, 117, 117, 117, 117, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:17:53,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-01-31 23:17:53,832 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:17:53,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:17:53,833 INFO L85 PathProgramCache]: Analyzing trace with hash -970714142, now seen corresponding path program 117 times [2022-01-31 23:17:53,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:17:53,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [612984665] [2022-01-31 23:17:53,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:17:53,836 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:17:53,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:17:53,969 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:17:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:17:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:17:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:17:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:17:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:17:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:17:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:17:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:17:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:17:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:17:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:17:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:17:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:17:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:17:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:17:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:17:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:17:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:17:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:17:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:17:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:17:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:58,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:17:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:17:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:17:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:17:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:17:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:17:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:17:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:17:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:17:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:17:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:17:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:17:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:17:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:17:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:17:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:17:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:17:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:17:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:17:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:17:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:17:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:17:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:17:59,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:17:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:17:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:17:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:17:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:17:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:17:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:17:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:17:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:17:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:17:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:17:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:17:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:17:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:17:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:17:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:17:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:17:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:17:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:17:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:17:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:17:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:17:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:17:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:17:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:17:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:17:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:17:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:17:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:17:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:17:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:17:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:17:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:17:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:17:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:17:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:17:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:17:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:17:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:17:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:17:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:17:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:17:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:17:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:17:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:17:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:17:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:17:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:17:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:17:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:17:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:17:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:17:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:17:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:17:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:17:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:17:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:17:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:17:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:17:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:17:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:17:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:17:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:17:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:17:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:17:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:17:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:17:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:17:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:17:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:17:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:17:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:17:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:17:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:17:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:17:59,163 INFO L134 CoverageAnalysis]: Checked inductivity of 20358 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20358 trivial. 0 not checked. [2022-01-31 23:17:59,163 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:17:59,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [612984665] [2022-01-31 23:17:59,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [612984665] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:17:59,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:17:59,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [121] imperfect sequences [] total 121 [2022-01-31 23:17:59,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864730400] [2022-01-31 23:17:59,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:17:59,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2022-01-31 23:17:59,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:17:59,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2022-01-31 23:17:59,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7142, Invalid=7378, Unknown=0, NotChecked=0, Total=14520 [2022-01-31 23:17:59,169 INFO L87 Difference]: Start difference. First operand 724 states and 959 transitions. Second operand has 121 states, 121 states have (on average 4.933884297520661) internal successors, (597), 120 states have internal predecessors, (597), 119 states have call successors, (120), 3 states have call predecessors, (120), 1 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118) [2022-01-31 23:18:03,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:18:03,681 INFO L93 Difference]: Finished difference Result 1337 states and 1814 transitions. [2022-01-31 23:18:03,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-01-31 23:18:03,682 INFO L78 Accepts]: Start accepts. Automaton has has 121 states, 121 states have (on average 4.933884297520661) internal successors, (597), 120 states have internal predecessors, (597), 119 states have call successors, (120), 3 states have call predecessors, (120), 1 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118) Word has length 1067 [2022-01-31 23:18:03,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:18:03,684 INFO L225 Difference]: With dead ends: 1337 [2022-01-31 23:18:03,684 INFO L226 Difference]: Without dead ends: 1325 [2022-01-31 23:18:03,685 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=7263, Invalid=7499, Unknown=0, NotChecked=0, Total=14762 [2022-01-31 23:18:03,685 INFO L933 BasicCegarLoop]: 258 mSDtfsCounter, 2830 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1765 mSolverCounterSat, 1327 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 3092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1327 IncrementalHoareTripleChecker+Valid, 1765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:18:03,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2949 Valid, 1063 Invalid, 3092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1327 Valid, 1765 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-31 23:18:03,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2022-01-31 23:18:03,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 730. [2022-01-31 23:18:03,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 605 states have (on average 1.2) internal successors, (726), 605 states have internal predecessors, (726), 121 states have call successors, (121), 4 states have call predecessors, (121), 3 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2022-01-31 23:18:03,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 967 transitions. [2022-01-31 23:18:03,702 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 967 transitions. Word has length 1067 [2022-01-31 23:18:03,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:18:03,703 INFO L470 AbstractCegarLoop]: Abstraction has 730 states and 967 transitions. [2022-01-31 23:18:03,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 4.933884297520661) internal successors, (597), 120 states have internal predecessors, (597), 119 states have call successors, (120), 3 states have call predecessors, (120), 1 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118) [2022-01-31 23:18:03,703 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 967 transitions. [2022-01-31 23:18:03,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1077 [2022-01-31 23:18:03,711 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:18:03,711 INFO L514 BasicCegarLoop]: trace histogram [118, 118, 118, 118, 118, 118, 118, 118, 118, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:18:03,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-01-31 23:18:03,712 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:18:03,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:18:03,712 INFO L85 PathProgramCache]: Analyzing trace with hash -327649628, now seen corresponding path program 118 times [2022-01-31 23:18:03,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:18:03,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [397449830] [2022-01-31 23:18:03,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:18:03,716 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:18:03,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:18:03,900 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:18:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:18:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:18:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:18:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:18:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:18:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:18:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:18:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:18:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:18:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:18:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:18:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:18:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:18:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:18:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:18:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:18:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:18:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:18:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:18:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:18:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:18:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:18:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:18:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:18:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:18:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:18:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:08,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:18:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:18:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:18:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:18:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:18:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:18:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:18:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:18:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:18:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:18:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:18:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:18:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:18:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:18:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:18:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:18:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:18:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:18:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:18:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:18:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:18:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:18:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:18:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:18:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:18:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:18:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:18:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:18:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:18:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:18:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:18:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:18:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:18:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:18:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:18:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:18:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:18:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:18:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:18:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:18:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:18:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:18:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:18:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:18:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:18:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:18:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:18:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:18:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:18:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:18:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:18:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:18:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:18:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:18:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:18:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:18:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:18:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:18:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:18:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:18:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:18:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:18:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:18:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:18:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:18:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:18:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:18:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:18:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:18:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:18:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:18:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:18:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:18:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:18:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:18:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:18:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:18:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:18:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:18:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:18:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:18:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:18:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:18:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:18:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:18:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:18:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:18:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:18:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:18:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:18:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:18:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:18:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:18:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:09,142 INFO L134 CoverageAnalysis]: Checked inductivity of 20709 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20709 trivial. 0 not checked. [2022-01-31 23:18:09,142 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:18:09,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [397449830] [2022-01-31 23:18:09,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [397449830] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:18:09,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:18:09,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [122] imperfect sequences [] total 122 [2022-01-31 23:18:09,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961923759] [2022-01-31 23:18:09,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:18:09,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2022-01-31 23:18:09,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:18:09,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2022-01-31 23:18:09,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7262, Invalid=7500, Unknown=0, NotChecked=0, Total=14762 [2022-01-31 23:18:09,147 INFO L87 Difference]: Start difference. First operand 730 states and 967 transitions. Second operand has 122 states, 122 states have (on average 4.934426229508197) internal successors, (602), 121 states have internal predecessors, (602), 120 states have call successors, (121), 3 states have call predecessors, (121), 1 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2022-01-31 23:18:13,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:18:13,922 INFO L93 Difference]: Finished difference Result 1348 states and 1829 transitions. [2022-01-31 23:18:13,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-01-31 23:18:13,922 INFO L78 Accepts]: Start accepts. Automaton has has 122 states, 122 states have (on average 4.934426229508197) internal successors, (602), 121 states have internal predecessors, (602), 120 states have call successors, (121), 3 states have call predecessors, (121), 1 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) Word has length 1076 [2022-01-31 23:18:13,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:18:13,925 INFO L225 Difference]: With dead ends: 1348 [2022-01-31 23:18:13,925 INFO L226 Difference]: Without dead ends: 1336 [2022-01-31 23:18:13,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=7384, Invalid=7622, Unknown=0, NotChecked=0, Total=15006 [2022-01-31 23:18:13,926 INFO L933 BasicCegarLoop]: 260 mSDtfsCounter, 2966 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 1988 mSolverCounterSat, 1394 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3086 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 3382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1394 IncrementalHoareTripleChecker+Valid, 1988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-31 23:18:13,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3086 Valid, 1084 Invalid, 3382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1394 Valid, 1988 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-31 23:18:13,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2022-01-31 23:18:13,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 736. [2022-01-31 23:18:13,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 610 states have (on average 1.2) internal successors, (732), 610 states have internal predecessors, (732), 122 states have call successors, (122), 4 states have call predecessors, (122), 3 states have return successors, (121), 121 states have call predecessors, (121), 121 states have call successors, (121) [2022-01-31 23:18:13,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 975 transitions. [2022-01-31 23:18:13,942 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 975 transitions. Word has length 1076 [2022-01-31 23:18:13,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:18:13,943 INFO L470 AbstractCegarLoop]: Abstraction has 736 states and 975 transitions. [2022-01-31 23:18:13,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 4.934426229508197) internal successors, (602), 121 states have internal predecessors, (602), 120 states have call successors, (121), 3 states have call predecessors, (121), 1 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2022-01-31 23:18:13,943 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 975 transitions. [2022-01-31 23:18:13,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1086 [2022-01-31 23:18:13,951 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:18:13,951 INFO L514 BasicCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:18:13,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-01-31 23:18:13,951 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:18:13,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:18:13,952 INFO L85 PathProgramCache]: Analyzing trace with hash -509997534, now seen corresponding path program 119 times [2022-01-31 23:18:13,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:18:13,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [980306880] [2022-01-31 23:18:13,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:18:13,956 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:18:13,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:18:14,072 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:18:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:18:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:18:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:18:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:18:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:18:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:18:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:18:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:18:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:18:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:18:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:18:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:18:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:18:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:18:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:18:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:18:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:18:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:18:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:18:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:18:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:18:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:18:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:18:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:18:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:18:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:18:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:18:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:18:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:18:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:18:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:18:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:18:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:18:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:18:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:18:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:18:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:18:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:18:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:18:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:18:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:18:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:18:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:18:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:18:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:18:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:18:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:18:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:18:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:18:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:18:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:18:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:18:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:18:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:18:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:18:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:18:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:18:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:18:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:18:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:18:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:18:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:18:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:18:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:18:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:18:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:18:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:18:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:18:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:18:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:18:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:18:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:18:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:18:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:18:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:18:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:18:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:18:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:18:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:18:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:18:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:18:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:18:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:18:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:18:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:18:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:18:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:18:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:18:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:18:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:18:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:18:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:18:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:18:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:18:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:18:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:18:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:18:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:18:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:18:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:18:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:18:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:18:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:18:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:18:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:18:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:18:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:18:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:18:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:18:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:18:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:18:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:18:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:18:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:18:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:18:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:18:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:18:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:18:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:18:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:18:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:19,513 INFO L134 CoverageAnalysis]: Checked inductivity of 21063 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21063 trivial. 0 not checked. [2022-01-31 23:18:19,513 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:18:19,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [980306880] [2022-01-31 23:18:19,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [980306880] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:18:19,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:18:19,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [123] imperfect sequences [] total 123 [2022-01-31 23:18:19,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206705988] [2022-01-31 23:18:19,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:18:19,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 123 states [2022-01-31 23:18:19,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:18:19,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2022-01-31 23:18:19,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7383, Invalid=7623, Unknown=0, NotChecked=0, Total=15006 [2022-01-31 23:18:19,517 INFO L87 Difference]: Start difference. First operand 736 states and 975 transitions. Second operand has 123 states, 123 states have (on average 4.934959349593496) internal successors, (607), 122 states have internal predecessors, (607), 121 states have call successors, (122), 3 states have call predecessors, (122), 1 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2022-01-31 23:18:24,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:18:24,382 INFO L93 Difference]: Finished difference Result 1359 states and 1844 transitions. [2022-01-31 23:18:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-01-31 23:18:24,383 INFO L78 Accepts]: Start accepts. Automaton has has 123 states, 123 states have (on average 4.934959349593496) internal successors, (607), 122 states have internal predecessors, (607), 121 states have call successors, (122), 3 states have call predecessors, (122), 1 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) Word has length 1085 [2022-01-31 23:18:24,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:18:24,385 INFO L225 Difference]: With dead ends: 1359 [2022-01-31 23:18:24,385 INFO L226 Difference]: Without dead ends: 1347 [2022-01-31 23:18:24,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=7506, Invalid=7746, Unknown=0, NotChecked=0, Total=15252 [2022-01-31 23:18:24,386 INFO L933 BasicCegarLoop]: 262 mSDtfsCounter, 2550 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 2191 mSolverCounterSat, 1185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2671 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 3376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1185 IncrementalHoareTripleChecker+Valid, 2191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-31 23:18:24,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2671 Valid, 1119 Invalid, 3376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1185 Valid, 2191 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-31 23:18:24,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2022-01-31 23:18:24,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 742. [2022-01-31 23:18:24,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 615 states have (on average 1.2) internal successors, (738), 615 states have internal predecessors, (738), 123 states have call successors, (123), 4 states have call predecessors, (123), 3 states have return successors, (122), 122 states have call predecessors, (122), 122 states have call successors, (122) [2022-01-31 23:18:24,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 983 transitions. [2022-01-31 23:18:24,402 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 983 transitions. Word has length 1085 [2022-01-31 23:18:24,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:18:24,403 INFO L470 AbstractCegarLoop]: Abstraction has 742 states and 983 transitions. [2022-01-31 23:18:24,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 123 states, 123 states have (on average 4.934959349593496) internal successors, (607), 122 states have internal predecessors, (607), 121 states have call successors, (122), 3 states have call predecessors, (122), 1 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2022-01-31 23:18:24,403 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 983 transitions. [2022-01-31 23:18:24,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1095 [2022-01-31 23:18:24,409 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:18:24,409 INFO L514 BasicCegarLoop]: trace histogram [120, 120, 120, 120, 120, 120, 120, 120, 120, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:18:24,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-01-31 23:18:24,410 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:18:24,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:18:24,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1351089052, now seen corresponding path program 120 times [2022-01-31 23:18:24,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:18:24,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [516690478] [2022-01-31 23:18:24,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:18:24,416 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:18:24,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:18:24,589 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:18:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:18:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:18:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:18:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:18:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:18:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:18:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:18:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:18:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:18:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:18:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:18:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:18:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:18:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:18:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:18:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:18:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:18:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:18:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:18:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:18:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:18:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:18:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:18:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:18:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:18:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:18:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:18:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:18:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:18:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:18:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:18:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:18:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:18:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:18:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:18:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:18:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:18:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:18:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:18:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:18:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:18:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:18:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:18:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:18:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:18:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:18:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:18:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:18:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:18:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:18:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:18:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:18:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:18:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:18:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:18:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:18:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:18:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:18:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:18:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:18:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:18:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:18:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:18:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:18:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:18:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:18:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:18:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:18:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:18:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:18:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:18:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:18:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:18:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:18:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:18:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:18:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:18:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:18:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:18:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:18:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:18:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:18:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:18:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:18:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:18:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:18:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:18:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:18:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:18:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:18:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:18:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:18:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:18:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:18:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:18:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:18:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:18:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:18:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:18:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:18:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:18:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:18:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:18:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:18:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:18:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:18:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:18:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:18:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:18:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:29,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:18:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:30,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:18:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:30,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:18:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:30,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:18:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:30,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:18:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:30,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:18:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:30,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:18:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:30,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:18:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:30,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:18:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:30,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:18:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:30,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:18:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:30,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-01-31 23:18:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:30,016 INFO L134 CoverageAnalysis]: Checked inductivity of 21420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21420 trivial. 0 not checked. [2022-01-31 23:18:30,016 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:18:30,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [516690478] [2022-01-31 23:18:30,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [516690478] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:18:30,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:18:30,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [124] imperfect sequences [] total 124 [2022-01-31 23:18:30,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386634249] [2022-01-31 23:18:30,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:18:30,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2022-01-31 23:18:30,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:18:30,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2022-01-31 23:18:30,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7505, Invalid=7747, Unknown=0, NotChecked=0, Total=15252 [2022-01-31 23:18:30,021 INFO L87 Difference]: Start difference. First operand 742 states and 983 transitions. Second operand has 124 states, 124 states have (on average 4.935483870967742) internal successors, (612), 123 states have internal predecessors, (612), 122 states have call successors, (123), 3 states have call predecessors, (123), 1 states have return successors, (121), 121 states have call predecessors, (121), 121 states have call successors, (121) [2022-01-31 23:18:34,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:18:34,994 INFO L93 Difference]: Finished difference Result 1370 states and 1859 transitions. [2022-01-31 23:18:34,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-01-31 23:18:34,994 INFO L78 Accepts]: Start accepts. Automaton has has 124 states, 124 states have (on average 4.935483870967742) internal successors, (612), 123 states have internal predecessors, (612), 122 states have call successors, (123), 3 states have call predecessors, (123), 1 states have return successors, (121), 121 states have call predecessors, (121), 121 states have call successors, (121) Word has length 1094 [2022-01-31 23:18:34,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:18:34,996 INFO L225 Difference]: With dead ends: 1370 [2022-01-31 23:18:34,996 INFO L226 Difference]: Without dead ends: 1358 [2022-01-31 23:18:34,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=7629, Invalid=7871, Unknown=0, NotChecked=0, Total=15500 [2022-01-31 23:18:34,998 INFO L933 BasicCegarLoop]: 264 mSDtfsCounter, 2573 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 2236 mSolverCounterSat, 1192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2695 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 3428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1192 IncrementalHoareTripleChecker+Valid, 2236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-31 23:18:34,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2695 Valid, 1106 Invalid, 3428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1192 Valid, 2236 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-31 23:18:34,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2022-01-31 23:18:35,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 748. [2022-01-31 23:18:35,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 620 states have (on average 1.2) internal successors, (744), 620 states have internal predecessors, (744), 124 states have call successors, (124), 4 states have call predecessors, (124), 3 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2022-01-31 23:18:35,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 991 transitions. [2022-01-31 23:18:35,014 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 991 transitions. Word has length 1094 [2022-01-31 23:18:35,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:18:35,015 INFO L470 AbstractCegarLoop]: Abstraction has 748 states and 991 transitions. [2022-01-31 23:18:35,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 4.935483870967742) internal successors, (612), 123 states have internal predecessors, (612), 122 states have call successors, (123), 3 states have call predecessors, (123), 1 states have return successors, (121), 121 states have call predecessors, (121), 121 states have call successors, (121) [2022-01-31 23:18:35,015 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 991 transitions. [2022-01-31 23:18:35,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1104 [2022-01-31 23:18:35,021 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:18:35,021 INFO L514 BasicCegarLoop]: trace histogram [121, 121, 121, 121, 121, 121, 121, 121, 121, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:18:35,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-01-31 23:18:35,021 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:18:35,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:18:35,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1210189726, now seen corresponding path program 121 times [2022-01-31 23:18:35,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:18:35,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [960484328] [2022-01-31 23:18:35,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:18:35,027 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:18:35,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:18:35,141 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:18:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:18:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:18:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:18:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:18:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:18:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:18:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:18:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:18:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:18:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:18:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:18:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:18:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:18:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:18:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:18:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:18:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:18:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:18:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:18:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:18:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:18:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:18:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:18:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:18:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:18:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:18:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:18:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:18:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:18:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:18:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:18:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:18:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:18:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:18:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:18:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:18:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:18:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:18:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:18:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:18:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:18:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:18:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:18:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:18:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:18:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:18:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:18:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:18:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:18:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:18:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:18:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:18:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:18:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:18:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:18:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:18:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:18:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:18:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:18:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:18:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:18:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:18:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:18:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:18:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:18:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:18:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:18:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:18:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:18:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:18:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:18:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:18:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:18:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:18:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:18:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:18:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:18:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:18:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:18:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:18:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:18:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:18:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:18:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:18:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:18:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:18:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:18:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:18:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:18:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:18:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:18:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:18:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:18:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:18:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:18:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:18:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:18:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:18:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:18:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:18:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:18:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:18:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:18:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:18:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:18:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:18:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:18:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:18:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:18:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:18:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:18:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:18:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:18:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:18:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:18:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:18:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:18:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:18:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:18:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:18:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-01-31 23:18:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 23:18:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:40,624 INFO L134 CoverageAnalysis]: Checked inductivity of 21780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21780 trivial. 0 not checked. [2022-01-31 23:18:40,624 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:18:40,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [960484328] [2022-01-31 23:18:40,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [960484328] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:18:40,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:18:40,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [125] imperfect sequences [] total 125 [2022-01-31 23:18:40,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149144362] [2022-01-31 23:18:40,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:18:40,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2022-01-31 23:18:40,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:18:40,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2022-01-31 23:18:40,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7628, Invalid=7872, Unknown=0, NotChecked=0, Total=15500 [2022-01-31 23:18:40,629 INFO L87 Difference]: Start difference. First operand 748 states and 991 transitions. Second operand has 125 states, 125 states have (on average 4.936) internal successors, (617), 124 states have internal predecessors, (617), 123 states have call successors, (124), 3 states have call predecessors, (124), 1 states have return successors, (122), 122 states have call predecessors, (122), 122 states have call successors, (122) [2022-01-31 23:18:45,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:18:45,882 INFO L93 Difference]: Finished difference Result 1381 states and 1874 transitions. [2022-01-31 23:18:45,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-01-31 23:18:45,882 INFO L78 Accepts]: Start accepts. Automaton has has 125 states, 125 states have (on average 4.936) internal successors, (617), 124 states have internal predecessors, (617), 123 states have call successors, (124), 3 states have call predecessors, (124), 1 states have return successors, (122), 122 states have call predecessors, (122), 122 states have call successors, (122) Word has length 1103 [2022-01-31 23:18:45,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:18:45,885 INFO L225 Difference]: With dead ends: 1381 [2022-01-31 23:18:45,885 INFO L226 Difference]: Without dead ends: 1369 [2022-01-31 23:18:45,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=7753, Invalid=7997, Unknown=0, NotChecked=0, Total=15750 [2022-01-31 23:18:45,886 INFO L933 BasicCegarLoop]: 266 mSDtfsCounter, 2607 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 2427 mSolverCounterSat, 1205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2730 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 3632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1205 IncrementalHoareTripleChecker+Valid, 2427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-31 23:18:45,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2730 Valid, 1100 Invalid, 3632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1205 Valid, 2427 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-31 23:18:45,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2022-01-31 23:18:45,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 754. [2022-01-31 23:18:45,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 754 states, 625 states have (on average 1.2) internal successors, (750), 625 states have internal predecessors, (750), 125 states have call successors, (125), 4 states have call predecessors, (125), 3 states have return successors, (124), 124 states have call predecessors, (124), 124 states have call successors, (124) [2022-01-31 23:18:45,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 999 transitions. [2022-01-31 23:18:45,903 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 999 transitions. Word has length 1103 [2022-01-31 23:18:45,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:18:45,904 INFO L470 AbstractCegarLoop]: Abstraction has 754 states and 999 transitions. [2022-01-31 23:18:45,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 4.936) internal successors, (617), 124 states have internal predecessors, (617), 123 states have call successors, (124), 3 states have call predecessors, (124), 1 states have return successors, (122), 122 states have call predecessors, (122), 122 states have call successors, (122) [2022-01-31 23:18:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 999 transitions. [2022-01-31 23:18:45,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1113 [2022-01-31 23:18:45,910 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:18:45,910 INFO L514 BasicCegarLoop]: trace histogram [122, 122, 122, 122, 122, 122, 122, 122, 122, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:18:45,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-01-31 23:18:45,910 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:18:45,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:18:45,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1750573604, now seen corresponding path program 122 times [2022-01-31 23:18:45,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:18:45,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [774566918] [2022-01-31 23:18:45,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:18:45,914 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:18:45,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:18:46,022 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:18:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:18:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:18:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:18:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:18:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:18:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:18:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:18:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:18:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:18:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:18:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:18:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:18:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:18:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:18:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:18:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:18:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:18:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:18:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:18:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:18:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:18:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:18:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:18:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:18:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:18:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:18:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:18:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:18:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:18:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:18:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:18:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:18:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:18:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:18:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:18:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:18:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:18:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:18:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:18:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:18:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:18:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:18:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:18:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:18:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:18:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:18:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:18:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:18:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:18:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:18:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:18:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:18:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:18:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:18:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:18:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:18:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:18:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:18:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:18:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:18:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:18:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:18:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:18:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:18:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:18:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:18:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:18:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:18:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:18:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:18:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:18:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:18:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:18:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:18:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:18:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:18:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:18:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:18:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:18:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:18:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:18:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:18:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:18:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:18:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:18:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:18:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:18:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:18:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:18:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:18:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:18:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:18:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:18:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:18:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:18:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:18:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:18:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:18:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:18:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:18:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:18:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:18:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:18:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:18:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:18:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:18:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:18:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:18:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:18:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:18:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:18:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:18:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:18:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:18:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:18:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:18:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:18:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:18:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:18:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:18:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-01-31 23:18:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 23:18:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-01-31 23:18:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:18:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 22143 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22143 trivial. 0 not checked. [2022-01-31 23:18:51,716 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:18:51,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [774566918] [2022-01-31 23:18:51,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [774566918] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:18:51,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:18:51,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [126] imperfect sequences [] total 126 [2022-01-31 23:18:51,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620026979] [2022-01-31 23:18:51,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:18:51,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2022-01-31 23:18:51,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:18:51,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2022-01-31 23:18:51,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7752, Invalid=7998, Unknown=0, NotChecked=0, Total=15750 [2022-01-31 23:18:51,721 INFO L87 Difference]: Start difference. First operand 754 states and 999 transitions. Second operand has 126 states, 126 states have (on average 4.936507936507937) internal successors, (622), 125 states have internal predecessors, (622), 124 states have call successors, (125), 3 states have call predecessors, (125), 1 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2022-01-31 23:18:56,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:18:56,894 INFO L93 Difference]: Finished difference Result 1392 states and 1889 transitions. [2022-01-31 23:18:56,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-01-31 23:18:56,895 INFO L78 Accepts]: Start accepts. Automaton has has 126 states, 126 states have (on average 4.936507936507937) internal successors, (622), 125 states have internal predecessors, (622), 124 states have call successors, (125), 3 states have call predecessors, (125), 1 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) Word has length 1112 [2022-01-31 23:18:56,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:18:56,897 INFO L225 Difference]: With dead ends: 1392 [2022-01-31 23:18:56,897 INFO L226 Difference]: Without dead ends: 1380 [2022-01-31 23:18:56,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=7878, Invalid=8124, Unknown=0, NotChecked=0, Total=16002 [2022-01-31 23:18:56,898 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 2276 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 2172 mSolverCounterSat, 1055 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2400 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 3227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1055 IncrementalHoareTripleChecker+Valid, 2172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-31 23:18:56,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2400 Valid, 1128 Invalid, 3227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1055 Valid, 2172 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-31 23:18:56,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2022-01-31 23:18:56,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 760. [2022-01-31 23:18:56,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 630 states have (on average 1.2) internal successors, (756), 630 states have internal predecessors, (756), 126 states have call successors, (126), 4 states have call predecessors, (126), 3 states have return successors, (125), 125 states have call predecessors, (125), 125 states have call successors, (125) [2022-01-31 23:18:56,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1007 transitions. [2022-01-31 23:18:56,914 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1007 transitions. Word has length 1112 [2022-01-31 23:18:56,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:18:56,915 INFO L470 AbstractCegarLoop]: Abstraction has 760 states and 1007 transitions. [2022-01-31 23:18:56,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 4.936507936507937) internal successors, (622), 125 states have internal predecessors, (622), 124 states have call successors, (125), 3 states have call predecessors, (125), 1 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2022-01-31 23:18:56,915 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1007 transitions. [2022-01-31 23:18:56,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1122 [2022-01-31 23:18:56,921 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:18:56,921 INFO L514 BasicCegarLoop]: trace histogram [123, 123, 123, 123, 123, 123, 123, 123, 123, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:18:56,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-01-31 23:18:56,922 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:18:56,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:18:56,922 INFO L85 PathProgramCache]: Analyzing trace with hash -883699038, now seen corresponding path program 123 times [2022-01-31 23:18:56,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:18:56,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1557422843] [2022-01-31 23:18:56,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:18:56,925 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:18:56,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:18:57,036 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:18:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:19:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:19:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:19:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:19:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:19:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:19:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:19:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:19:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:19:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:19:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:19:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:19:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:19:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:19:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:19:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:19:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:19:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:19:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:19:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:19:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:19:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:19:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:19:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:19:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:19:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:19:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:19:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:19:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:19:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:19:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:19:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:19:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:19:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:19:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:19:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:19:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:19:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:19:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:19:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:19:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:19:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:19:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:19:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:19:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:19:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:19:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:19:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:19:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:19:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:19:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:19:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:19:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:19:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:19:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:19:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:19:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:19:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:19:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:19:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:19:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:19:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:19:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:19:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:19:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:19:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:19:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:19:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:19:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:19:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:19:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:19:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:19:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:19:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:19:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:19:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:19:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:19:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:19:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:19:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:19:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:19:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:19:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:19:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:19:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:19:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:19:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:19:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:19:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:19:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:19:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:19:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:19:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:19:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:19:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:19:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:19:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:19:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:19:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:19:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:19:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:19:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:19:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:19:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:19:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:19:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:19:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:19:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:19:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:19:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:19:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:19:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:19:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:19:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:19:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:19:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:19:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:19:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:19:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:19:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:19:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-01-31 23:19:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 23:19:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-01-31 23:19:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-01-31 23:19:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:02,793 INFO L134 CoverageAnalysis]: Checked inductivity of 22509 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22509 trivial. 0 not checked. [2022-01-31 23:19:02,793 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:19:02,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1557422843] [2022-01-31 23:19:02,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1557422843] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:19:02,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:19:02,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [127] imperfect sequences [] total 127 [2022-01-31 23:19:02,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78259893] [2022-01-31 23:19:02,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:19:02,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2022-01-31 23:19:02,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:19:02,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2022-01-31 23:19:02,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7877, Invalid=8125, Unknown=0, NotChecked=0, Total=16002 [2022-01-31 23:19:02,798 INFO L87 Difference]: Start difference. First operand 760 states and 1007 transitions. Second operand has 127 states, 127 states have (on average 4.937007874015748) internal successors, (627), 126 states have internal predecessors, (627), 125 states have call successors, (126), 3 states have call predecessors, (126), 1 states have return successors, (124), 124 states have call predecessors, (124), 124 states have call successors, (124) [2022-01-31 23:19:08,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:19:08,269 INFO L93 Difference]: Finished difference Result 1403 states and 1904 transitions. [2022-01-31 23:19:08,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-01-31 23:19:08,269 INFO L78 Accepts]: Start accepts. Automaton has has 127 states, 127 states have (on average 4.937007874015748) internal successors, (627), 126 states have internal predecessors, (627), 125 states have call successors, (126), 3 states have call predecessors, (126), 1 states have return successors, (124), 124 states have call predecessors, (124), 124 states have call successors, (124) Word has length 1121 [2022-01-31 23:19:08,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:19:08,271 INFO L225 Difference]: With dead ends: 1403 [2022-01-31 23:19:08,271 INFO L226 Difference]: Without dead ends: 1391 [2022-01-31 23:19:08,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=8004, Invalid=8252, Unknown=0, NotChecked=0, Total=16256 [2022-01-31 23:19:08,272 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 2704 mSDsluCounter, 851 mSDsCounter, 0 mSdLazyCounter, 2237 mSolverCounterSat, 1260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2829 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 3497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1260 IncrementalHoareTripleChecker+Valid, 2237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-31 23:19:08,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2829 Valid, 1121 Invalid, 3497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1260 Valid, 2237 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-31 23:19:08,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states. [2022-01-31 23:19:08,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 766. [2022-01-31 23:19:08,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 635 states have (on average 1.2) internal successors, (762), 635 states have internal predecessors, (762), 127 states have call successors, (127), 4 states have call predecessors, (127), 3 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2022-01-31 23:19:08,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1015 transitions. [2022-01-31 23:19:08,289 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1015 transitions. Word has length 1121 [2022-01-31 23:19:08,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:19:08,290 INFO L470 AbstractCegarLoop]: Abstraction has 766 states and 1015 transitions. [2022-01-31 23:19:08,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 4.937007874015748) internal successors, (627), 126 states have internal predecessors, (627), 125 states have call successors, (126), 3 states have call predecessors, (126), 1 states have return successors, (124), 124 states have call predecessors, (124), 124 states have call successors, (124) [2022-01-31 23:19:08,290 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1015 transitions. [2022-01-31 23:19:08,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1131 [2022-01-31 23:19:08,296 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:19:08,296 INFO L514 BasicCegarLoop]: trace histogram [124, 124, 124, 124, 124, 124, 124, 124, 124, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:19:08,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-01-31 23:19:08,297 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:19:08,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:19:08,297 INFO L85 PathProgramCache]: Analyzing trace with hash 87248868, now seen corresponding path program 124 times [2022-01-31 23:19:08,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:19:08,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1367545918] [2022-01-31 23:19:08,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:19:08,300 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:19:08,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:19:08,416 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:19:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:19:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:19:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:19:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:19:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:19:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:19:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:19:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:19:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:19:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:19:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:19:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:19:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:19:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:19:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:19:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:19:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:19:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:19:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:19:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:19:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:19:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:19:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:19:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:19:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:19:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:19:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:19:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:19:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:19:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:19:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:19:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:19:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:19:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:19:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:19:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:19:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:19:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:19:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:19:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:19:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:19:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:19:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:19:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:19:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:19:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:19:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:19:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:19:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:19:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:19:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:19:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:19:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:19:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:19:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:19:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:19:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:19:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:19:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:19:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:19:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:19:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:19:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:19:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:19:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:19:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:19:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:19:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:19:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:19:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:19:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:19:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:19:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:19:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:19:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:19:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:19:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:19:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:19:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:19:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:19:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:19:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:19:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:19:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:19:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:19:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:19:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:19:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:19:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:19:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:19:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:19:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:19:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:19:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:19:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:19:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:19:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:19:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:19:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:19:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:19:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:19:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:19:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:19:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:19:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:19:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:19:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:19:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:19:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:19:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:19:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:19:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:19:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:19:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:19:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:19:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:19:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:19:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:19:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:19:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:19:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-01-31 23:19:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 23:19:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-01-31 23:19:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-01-31 23:19:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-01-31 23:19:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:14,176 INFO L134 CoverageAnalysis]: Checked inductivity of 22878 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22878 trivial. 0 not checked. [2022-01-31 23:19:14,176 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:19:14,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1367545918] [2022-01-31 23:19:14,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1367545918] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:19:14,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:19:14,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [128] imperfect sequences [] total 128 [2022-01-31 23:19:14,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126248788] [2022-01-31 23:19:14,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:19:14,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2022-01-31 23:19:14,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:19:14,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2022-01-31 23:19:14,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8003, Invalid=8253, Unknown=0, NotChecked=0, Total=16256 [2022-01-31 23:19:14,181 INFO L87 Difference]: Start difference. First operand 766 states and 1015 transitions. Second operand has 128 states, 128 states have (on average 4.9375) internal successors, (632), 127 states have internal predecessors, (632), 126 states have call successors, (127), 3 states have call predecessors, (127), 1 states have return successors, (125), 125 states have call predecessors, (125), 125 states have call successors, (125) [2022-01-31 23:19:19,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:19:19,547 INFO L93 Difference]: Finished difference Result 1414 states and 1919 transitions. [2022-01-31 23:19:19,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-01-31 23:19:19,547 INFO L78 Accepts]: Start accepts. Automaton has has 128 states, 128 states have (on average 4.9375) internal successors, (632), 127 states have internal predecessors, (632), 126 states have call successors, (127), 3 states have call predecessors, (127), 1 states have return successors, (125), 125 states have call predecessors, (125), 125 states have call successors, (125) Word has length 1130 [2022-01-31 23:19:19,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:19:19,550 INFO L225 Difference]: With dead ends: 1414 [2022-01-31 23:19:19,550 INFO L226 Difference]: Without dead ends: 1402 [2022-01-31 23:19:19,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=8131, Invalid=8381, Unknown=0, NotChecked=0, Total=16512 [2022-01-31 23:19:19,551 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 2724 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 2290 mSolverCounterSat, 1268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2850 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 3558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1268 IncrementalHoareTripleChecker+Valid, 2290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-31 23:19:19,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2850 Valid, 1128 Invalid, 3558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1268 Valid, 2290 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-31 23:19:19,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2022-01-31 23:19:19,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 772. [2022-01-31 23:19:19,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 640 states have (on average 1.2) internal successors, (768), 640 states have internal predecessors, (768), 128 states have call successors, (128), 4 states have call predecessors, (128), 3 states have return successors, (127), 127 states have call predecessors, (127), 127 states have call successors, (127) [2022-01-31 23:19:19,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1023 transitions. [2022-01-31 23:19:19,567 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1023 transitions. Word has length 1130 [2022-01-31 23:19:19,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:19:19,568 INFO L470 AbstractCegarLoop]: Abstraction has 772 states and 1023 transitions. [2022-01-31 23:19:19,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 128 states have (on average 4.9375) internal successors, (632), 127 states have internal predecessors, (632), 126 states have call successors, (127), 3 states have call predecessors, (127), 1 states have return successors, (125), 125 states have call predecessors, (125), 125 states have call successors, (125) [2022-01-31 23:19:19,568 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1023 transitions. [2022-01-31 23:19:19,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1140 [2022-01-31 23:19:19,574 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:19:19,574 INFO L514 BasicCegarLoop]: trace histogram [125, 125, 125, 125, 125, 125, 125, 125, 125, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:19:19,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-01-31 23:19:19,575 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:19:19,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:19:19,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1298111714, now seen corresponding path program 125 times [2022-01-31 23:19:19,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:19:19,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1460282493] [2022-01-31 23:19:19,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:19:19,579 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:19:19,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:19:19,693 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:19:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:19:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:19:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:19:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:19:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:19:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:19:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:19:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:19:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:19:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:19:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:19:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:19:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:19:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:19:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:19:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:19:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:19:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:19:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:19:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:19:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:19:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:19:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:19:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:19:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:19:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:19:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:19:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:19:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:19:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:19:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:19:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:19:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:19:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:19:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:19:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:19:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:19:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:19:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:19:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:19:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:19:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:19:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:19:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:19:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:19:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:19:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:19:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:19:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:19:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:19:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:19:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:19:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:19:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:19:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:19:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:19:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:19:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:19:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:19:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:19:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:19:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:19:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:19:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:19:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:19:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:19:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:19:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:19:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:19:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:19:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:19:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:19:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:19:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:19:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:19:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:19:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:19:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:19:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:19:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:19:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:19:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:19:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:19:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:19:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:19:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:19:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:19:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:19:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:19:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:19:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:19:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:19:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:19:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:19:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:19:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:19:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:19:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:19:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:19:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:19:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:19:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:19:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:19:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:19:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:19:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:19:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:19:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:19:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:19:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:19:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:19:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:19:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:19:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:19:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:19:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:19:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:19:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:19:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:19:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:19:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-01-31 23:19:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 23:19:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-01-31 23:19:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-01-31 23:19:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-01-31 23:19:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2022-01-31 23:19:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:25,920 INFO L134 CoverageAnalysis]: Checked inductivity of 23250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23250 trivial. 0 not checked. [2022-01-31 23:19:25,920 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:19:25,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1460282493] [2022-01-31 23:19:25,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1460282493] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:19:25,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:19:25,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [129] imperfect sequences [] total 129 [2022-01-31 23:19:25,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791742033] [2022-01-31 23:19:25,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:19:25,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2022-01-31 23:19:25,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:19:25,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2022-01-31 23:19:25,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8130, Invalid=8382, Unknown=0, NotChecked=0, Total=16512 [2022-01-31 23:19:25,923 INFO L87 Difference]: Start difference. First operand 772 states and 1023 transitions. Second operand has 129 states, 129 states have (on average 4.937984496124031) internal successors, (637), 128 states have internal predecessors, (637), 127 states have call successors, (128), 3 states have call predecessors, (128), 1 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2022-01-31 23:19:30,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:19:30,557 INFO L93 Difference]: Finished difference Result 1425 states and 1934 transitions. [2022-01-31 23:19:30,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-01-31 23:19:30,558 INFO L78 Accepts]: Start accepts. Automaton has has 129 states, 129 states have (on average 4.937984496124031) internal successors, (637), 128 states have internal predecessors, (637), 127 states have call successors, (128), 3 states have call predecessors, (128), 1 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) Word has length 1139 [2022-01-31 23:19:30,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:19:30,560 INFO L225 Difference]: With dead ends: 1425 [2022-01-31 23:19:30,560 INFO L226 Difference]: Without dead ends: 1413 [2022-01-31 23:19:30,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=8259, Invalid=8511, Unknown=0, NotChecked=0, Total=16770 [2022-01-31 23:19:30,561 INFO L933 BasicCegarLoop]: 274 mSDtfsCounter, 3044 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 1983 mSolverCounterSat, 1428 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3171 SdHoareTripleChecker+Valid, 1132 SdHoareTripleChecker+Invalid, 3411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1428 IncrementalHoareTripleChecker+Valid, 1983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-31 23:19:30,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3171 Valid, 1132 Invalid, 3411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1428 Valid, 1983 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-31 23:19:30,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2022-01-31 23:19:30,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 778. [2022-01-31 23:19:30,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 645 states have (on average 1.2) internal successors, (774), 645 states have internal predecessors, (774), 129 states have call successors, (129), 4 states have call predecessors, (129), 3 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2022-01-31 23:19:30,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 1031 transitions. [2022-01-31 23:19:30,579 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 1031 transitions. Word has length 1139 [2022-01-31 23:19:30,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:19:30,580 INFO L470 AbstractCegarLoop]: Abstraction has 778 states and 1031 transitions. [2022-01-31 23:19:30,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 4.937984496124031) internal successors, (637), 128 states have internal predecessors, (637), 127 states have call successors, (128), 3 states have call predecessors, (128), 1 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2022-01-31 23:19:30,581 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1031 transitions. [2022-01-31 23:19:30,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1149 [2022-01-31 23:19:30,587 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:19:30,588 INFO L514 BasicCegarLoop]: trace histogram [126, 126, 126, 126, 126, 126, 126, 126, 126, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:19:30,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-01-31 23:19:30,588 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:19:30,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:19:30,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1524167260, now seen corresponding path program 126 times [2022-01-31 23:19:30,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:19:30,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [315299198] [2022-01-31 23:19:30,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:19:30,592 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:19:30,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:19:30,707 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:19:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:19:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:19:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:19:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:19:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:19:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:19:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:19:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:19:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:19:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:19:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:19:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:19:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:19:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:19:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:19:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:19:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:19:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:19:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:19:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:19:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:19:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:19:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:19:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:19:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:19:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:19:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:19:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:19:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:19:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:19:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:19:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:19:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:19:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:19:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:19:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:19:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:19:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:19:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:19:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:19:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:19:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:19:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:19:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:19:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:19:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:19:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:19:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:19:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:19:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:19:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:19:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:19:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:19:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:19:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:19:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:19:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:19:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:19:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:19:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:19:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:19:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:19:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:19:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:19:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:19:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:19:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:19:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:19:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:19:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:19:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:19:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:19:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:19:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:19:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:19:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:19:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:19:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:19:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:19:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:19:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:19:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:19:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:19:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:19:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:19:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:19:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:19:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:19:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:19:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:19:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:19:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:19:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:19:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:19:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:19:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:19:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:19:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:19:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:19:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:19:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:19:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:19:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:19:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:19:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:19:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:19:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:19:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:19:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:19:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:19:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:19:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:19:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:19:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:19:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:19:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:19:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:19:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:19:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:19:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:19:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-01-31 23:19:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 23:19:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-01-31 23:19:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-01-31 23:19:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-01-31 23:19:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2022-01-31 23:19:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2022-01-31 23:19:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:36,718 INFO L134 CoverageAnalysis]: Checked inductivity of 23625 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23625 trivial. 0 not checked. [2022-01-31 23:19:36,718 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:19:36,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [315299198] [2022-01-31 23:19:36,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [315299198] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:19:36,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:19:36,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [130] imperfect sequences [] total 130 [2022-01-31 23:19:36,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059153002] [2022-01-31 23:19:36,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:19:36,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2022-01-31 23:19:36,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:19:36,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2022-01-31 23:19:36,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8258, Invalid=8512, Unknown=0, NotChecked=0, Total=16770 [2022-01-31 23:19:36,724 INFO L87 Difference]: Start difference. First operand 778 states and 1031 transitions. Second operand has 130 states, 130 states have (on average 4.938461538461539) internal successors, (642), 129 states have internal predecessors, (642), 128 states have call successors, (129), 3 states have call predecessors, (129), 1 states have return successors, (127), 127 states have call predecessors, (127), 127 states have call successors, (127) [2022-01-31 23:19:41,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:19:41,937 INFO L93 Difference]: Finished difference Result 1436 states and 1949 transitions. [2022-01-31 23:19:41,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-01-31 23:19:41,938 INFO L78 Accepts]: Start accepts. Automaton has has 130 states, 130 states have (on average 4.938461538461539) internal successors, (642), 129 states have internal predecessors, (642), 128 states have call successors, (129), 3 states have call predecessors, (129), 1 states have return successors, (127), 127 states have call predecessors, (127), 127 states have call successors, (127) Word has length 1148 [2022-01-31 23:19:41,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:19:41,941 INFO L225 Difference]: With dead ends: 1436 [2022-01-31 23:19:41,941 INFO L226 Difference]: Without dead ends: 1424 [2022-01-31 23:19:41,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=8388, Invalid=8642, Unknown=0, NotChecked=0, Total=17030 [2022-01-31 23:19:41,942 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 3333 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 2086 mSolverCounterSat, 1564 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3461 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 3650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1564 IncrementalHoareTripleChecker+Valid, 2086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-31 23:19:41,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3461 Valid, 1130 Invalid, 3650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1564 Valid, 2086 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-31 23:19:41,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2022-01-31 23:19:41,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 784. [2022-01-31 23:19:41,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 650 states have (on average 1.2) internal successors, (780), 650 states have internal predecessors, (780), 130 states have call successors, (130), 4 states have call predecessors, (130), 3 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2022-01-31 23:19:41,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1039 transitions. [2022-01-31 23:19:41,962 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1039 transitions. Word has length 1148 [2022-01-31 23:19:41,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:19:41,963 INFO L470 AbstractCegarLoop]: Abstraction has 784 states and 1039 transitions. [2022-01-31 23:19:41,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 4.938461538461539) internal successors, (642), 129 states have internal predecessors, (642), 128 states have call successors, (129), 3 states have call predecessors, (129), 1 states have return successors, (127), 127 states have call predecessors, (127), 127 states have call successors, (127) [2022-01-31 23:19:41,963 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1039 transitions. [2022-01-31 23:19:41,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1158 [2022-01-31 23:19:41,970 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:19:41,970 INFO L514 BasicCegarLoop]: trace histogram [127, 127, 127, 127, 127, 127, 127, 127, 127, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:19:41,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-01-31 23:19:41,970 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:19:41,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:19:41,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1583699746, now seen corresponding path program 127 times [2022-01-31 23:19:41,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:19:41,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [735361871] [2022-01-31 23:19:41,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:19:41,975 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:19:41,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:19:42,099 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:19:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:19:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:19:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:19:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:19:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:19:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:19:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:19:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:19:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:19:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:19:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:19:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:19:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:19:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:19:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:19:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:19:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:19:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:19:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:19:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:19:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:19:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:19:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:19:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:19:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:19:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:19:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:19:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:19:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:19:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:19:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:19:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:19:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:19:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:19:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:19:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:19:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:19:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:19:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:19:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:19:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:19:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:19:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:19:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:19:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:19:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:19:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:19:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:19:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:19:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:19:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:19:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:19:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:19:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:19:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:19:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:19:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:19:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:19:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:19:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:19:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:19:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:19:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:19:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:19:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:19:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:19:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:19:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:19:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:19:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:19:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:19:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:19:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:19:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:19:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:19:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:19:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:19:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:19:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:19:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:19:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:19:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:19:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:19:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:19:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:19:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:19:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:19:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:19:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:19:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:19:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:19:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:19:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:19:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:19:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:19:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:19:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:19:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:19:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:19:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:19:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:19:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:19:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:19:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:19:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:19:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:19:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:19:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:19:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:19:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:19:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:19:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:19:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:19:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:19:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:19:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:19:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:19:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:19:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:19:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:19:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-01-31 23:19:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 23:19:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-01-31 23:19:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-01-31 23:19:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-01-31 23:19:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2022-01-31 23:19:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2022-01-31 23:19:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2022-01-31 23:19:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:48,219 INFO L134 CoverageAnalysis]: Checked inductivity of 24003 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24003 trivial. 0 not checked. [2022-01-31 23:19:48,219 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:19:48,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [735361871] [2022-01-31 23:19:48,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [735361871] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:19:48,219 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:19:48,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [131] imperfect sequences [] total 131 [2022-01-31 23:19:48,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064436535] [2022-01-31 23:19:48,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:19:48,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2022-01-31 23:19:48,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:19:48,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2022-01-31 23:19:48,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8387, Invalid=8643, Unknown=0, NotChecked=0, Total=17030 [2022-01-31 23:19:48,224 INFO L87 Difference]: Start difference. First operand 784 states and 1039 transitions. Second operand has 131 states, 131 states have (on average 4.938931297709924) internal successors, (647), 130 states have internal predecessors, (647), 129 states have call successors, (130), 3 states have call predecessors, (130), 1 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2022-01-31 23:19:53,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:19:53,634 INFO L93 Difference]: Finished difference Result 1447 states and 1964 transitions. [2022-01-31 23:19:53,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-01-31 23:19:53,634 INFO L78 Accepts]: Start accepts. Automaton has has 131 states, 131 states have (on average 4.938931297709924) internal successors, (647), 130 states have internal predecessors, (647), 129 states have call successors, (130), 3 states have call predecessors, (130), 1 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) Word has length 1157 [2022-01-31 23:19:53,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:19:53,637 INFO L225 Difference]: With dead ends: 1447 [2022-01-31 23:19:53,637 INFO L226 Difference]: Without dead ends: 1435 [2022-01-31 23:19:53,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=8518, Invalid=8774, Unknown=0, NotChecked=0, Total=17292 [2022-01-31 23:19:53,638 INFO L933 BasicCegarLoop]: 278 mSDtfsCounter, 3132 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 2011 mSolverCounterSat, 1466 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3261 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 3477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1466 IncrementalHoareTripleChecker+Valid, 2011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-31 23:19:53,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3261 Valid, 1147 Invalid, 3477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1466 Valid, 2011 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-31 23:19:53,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1435 states. [2022-01-31 23:19:53,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1435 to 790. [2022-01-31 23:19:53,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 655 states have (on average 1.2) internal successors, (786), 655 states have internal predecessors, (786), 131 states have call successors, (131), 4 states have call predecessors, (131), 3 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2022-01-31 23:19:53,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1047 transitions. [2022-01-31 23:19:53,656 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1047 transitions. Word has length 1157 [2022-01-31 23:19:53,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:19:53,657 INFO L470 AbstractCegarLoop]: Abstraction has 790 states and 1047 transitions. [2022-01-31 23:19:53,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 4.938931297709924) internal successors, (647), 130 states have internal predecessors, (647), 129 states have call successors, (130), 3 states have call predecessors, (130), 1 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2022-01-31 23:19:53,657 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1047 transitions. [2022-01-31 23:19:53,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1167 [2022-01-31 23:19:53,664 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:19:53,664 INFO L514 BasicCegarLoop]: trace histogram [128, 128, 128, 128, 128, 128, 128, 128, 128, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:19:53,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-01-31 23:19:53,664 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:19:53,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:19:53,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1481562980, now seen corresponding path program 128 times [2022-01-31 23:19:53,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:19:53,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2004506578] [2022-01-31 23:19:53,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:19:53,670 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:19:53,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:19:53,795 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:19:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:19:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:19:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:19:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:19:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:19:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:19:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:19:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:19:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:19:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:19:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:19:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:19:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:19:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:19:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:19:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:19:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:19:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:19:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:19:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:19:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:19:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:19:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:19:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:19:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:19:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:19:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:19:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:19:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:19:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:19:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:19:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:19:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:19:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:19:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:19:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:19:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:19:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:19:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:19:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:19:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:19:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:19:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:19:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:19:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:19:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:19:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:19:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:19:59,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:20:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:20:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:20:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:20:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:20:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:20:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:20:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:20:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:20:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:20:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:20:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:20:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:20:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:20:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:20:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:20:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:20:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:20:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:20:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:20:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:20:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:20:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:20:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:20:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:20:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:20:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:20:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:20:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:20:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:20:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:20:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:20:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:20:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:20:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:20:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:20:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:20:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:20:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:20:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:20:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:20:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:20:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:20:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:20:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:20:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:20:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:20:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:20:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:20:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:20:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:20:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:20:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:20:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:20:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:20:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:20:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:20:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:20:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:20:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:20:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:20:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:20:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:20:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:20:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:20:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:20:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:20:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:20:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:20:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:20:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:20:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:20:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:20:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-01-31 23:20:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 23:20:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-01-31 23:20:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-01-31 23:20:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-01-31 23:20:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2022-01-31 23:20:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2022-01-31 23:20:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2022-01-31 23:20:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2022-01-31 23:20:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:00,105 INFO L134 CoverageAnalysis]: Checked inductivity of 24384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24384 trivial. 0 not checked. [2022-01-31 23:20:00,105 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:20:00,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2004506578] [2022-01-31 23:20:00,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2004506578] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:20:00,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:20:00,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [132] imperfect sequences [] total 132 [2022-01-31 23:20:00,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121756259] [2022-01-31 23:20:00,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:20:00,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2022-01-31 23:20:00,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:20:00,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2022-01-31 23:20:00,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8517, Invalid=8775, Unknown=0, NotChecked=0, Total=17292 [2022-01-31 23:20:00,108 INFO L87 Difference]: Start difference. First operand 790 states and 1047 transitions. Second operand has 132 states, 132 states have (on average 4.9393939393939394) internal successors, (652), 131 states have internal predecessors, (652), 130 states have call successors, (131), 3 states have call predecessors, (131), 1 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2022-01-31 23:20:05,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:20:05,874 INFO L93 Difference]: Finished difference Result 1458 states and 1979 transitions. [2022-01-31 23:20:05,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2022-01-31 23:20:05,875 INFO L78 Accepts]: Start accepts. Automaton has has 132 states, 132 states have (on average 4.9393939393939394) internal successors, (652), 131 states have internal predecessors, (652), 130 states have call successors, (131), 3 states have call predecessors, (131), 1 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) Word has length 1166 [2022-01-31 23:20:05,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:20:05,877 INFO L225 Difference]: With dead ends: 1458 [2022-01-31 23:20:05,877 INFO L226 Difference]: Without dead ends: 1446 [2022-01-31 23:20:05,878 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=8649, Invalid=8907, Unknown=0, NotChecked=0, Total=17556 [2022-01-31 23:20:05,878 INFO L933 BasicCegarLoop]: 280 mSDtfsCounter, 2646 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 2232 mSolverCounterSat, 1227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2776 SdHoareTripleChecker+Valid, 1183 SdHoareTripleChecker+Invalid, 3459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1227 IncrementalHoareTripleChecker+Valid, 2232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-31 23:20:05,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2776 Valid, 1183 Invalid, 3459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1227 Valid, 2232 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-31 23:20:05,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2022-01-31 23:20:05,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 796. [2022-01-31 23:20:05,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 660 states have (on average 1.2) internal successors, (792), 660 states have internal predecessors, (792), 132 states have call successors, (132), 4 states have call predecessors, (132), 3 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) [2022-01-31 23:20:05,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1055 transitions. [2022-01-31 23:20:05,896 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1055 transitions. Word has length 1166 [2022-01-31 23:20:05,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:20:05,897 INFO L470 AbstractCegarLoop]: Abstraction has 796 states and 1055 transitions. [2022-01-31 23:20:05,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 4.9393939393939394) internal successors, (652), 131 states have internal predecessors, (652), 130 states have call successors, (131), 3 states have call predecessors, (131), 1 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2022-01-31 23:20:05,897 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1055 transitions. [2022-01-31 23:20:05,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2022-01-31 23:20:05,904 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:20:05,904 INFO L514 BasicCegarLoop]: trace histogram [129, 129, 129, 129, 129, 129, 129, 129, 129, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:20:05,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-01-31 23:20:05,904 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:20:05,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:20:05,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1305018722, now seen corresponding path program 129 times [2022-01-31 23:20:05,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:20:05,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [437670096] [2022-01-31 23:20:05,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:20:05,910 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:20:05,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:20:06,040 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:20:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:20:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:20:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:20:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:20:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:20:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:20:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:20:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:20:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:20:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:20:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:20:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:20:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:20:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:20:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:20:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:20:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:20:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:20:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:20:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:20:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:20:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:20:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:20:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:20:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:20:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:20:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:20:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:20:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:20:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:20:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:20:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:20:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:20:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:20:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:20:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:20:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:20:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:20:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:20:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:20:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:20:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:20:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:20:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:20:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:20:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:20:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:20:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:20:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:20:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:20:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:20:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:20:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:20:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:20:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:20:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:20:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:20:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:20:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:20:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:20:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:20:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:20:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:20:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:20:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:20:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:20:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:20:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:20:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:20:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:20:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:20:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:20:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:20:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:20:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:20:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:20:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:20:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:20:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:20:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:20:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:20:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:20:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:20:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:20:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:20:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:20:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:20:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:20:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:20:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:20:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:20:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:20:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:20:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:20:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:20:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:20:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:20:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:20:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:20:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:20:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:20:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:20:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:20:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:20:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:20:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:20:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:20:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:20:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:20:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:20:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:20:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:20:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:20:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:20:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:20:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:20:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:20:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:20:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:20:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:20:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-01-31 23:20:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 23:20:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-01-31 23:20:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-01-31 23:20:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-01-31 23:20:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2022-01-31 23:20:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2022-01-31 23:20:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2022-01-31 23:20:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2022-01-31 23:20:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2022-01-31 23:20:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:12,340 INFO L134 CoverageAnalysis]: Checked inductivity of 24768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24768 trivial. 0 not checked. [2022-01-31 23:20:12,341 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:20:12,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [437670096] [2022-01-31 23:20:12,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [437670096] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:20:12,341 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:20:12,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [133] imperfect sequences [] total 133 [2022-01-31 23:20:12,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385015380] [2022-01-31 23:20:12,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:20:12,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2022-01-31 23:20:12,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:20:12,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2022-01-31 23:20:12,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8648, Invalid=8908, Unknown=0, NotChecked=0, Total=17556 [2022-01-31 23:20:12,345 INFO L87 Difference]: Start difference. First operand 796 states and 1055 transitions. Second operand has 133 states, 133 states have (on average 4.93984962406015) internal successors, (657), 132 states have internal predecessors, (657), 131 states have call successors, (132), 3 states have call predecessors, (132), 1 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2022-01-31 23:20:18,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:20:18,292 INFO L93 Difference]: Finished difference Result 1469 states and 1994 transitions. [2022-01-31 23:20:18,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-01-31 23:20:18,293 INFO L78 Accepts]: Start accepts. Automaton has has 133 states, 133 states have (on average 4.93984962406015) internal successors, (657), 132 states have internal predecessors, (657), 131 states have call successors, (132), 3 states have call predecessors, (132), 1 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) Word has length 1175 [2022-01-31 23:20:18,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:20:18,295 INFO L225 Difference]: With dead ends: 1469 [2022-01-31 23:20:18,295 INFO L226 Difference]: Without dead ends: 1457 [2022-01-31 23:20:18,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=8781, Invalid=9041, Unknown=0, NotChecked=0, Total=17822 [2022-01-31 23:20:18,297 INFO L933 BasicCegarLoop]: 282 mSDtfsCounter, 2743 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 2413 mSolverCounterSat, 1271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2874 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 3684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1271 IncrementalHoareTripleChecker+Valid, 2413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-31 23:20:18,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2874 Valid, 1201 Invalid, 3684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1271 Valid, 2413 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-31 23:20:18,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2022-01-31 23:20:18,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 802. [2022-01-31 23:20:18,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 665 states have (on average 1.2) internal successors, (798), 665 states have internal predecessors, (798), 133 states have call successors, (133), 4 states have call predecessors, (133), 3 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2022-01-31 23:20:18,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1063 transitions. [2022-01-31 23:20:18,324 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1063 transitions. Word has length 1175 [2022-01-31 23:20:18,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:20:18,324 INFO L470 AbstractCegarLoop]: Abstraction has 802 states and 1063 transitions. [2022-01-31 23:20:18,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 133 states have (on average 4.93984962406015) internal successors, (657), 132 states have internal predecessors, (657), 131 states have call successors, (132), 3 states have call predecessors, (132), 1 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2022-01-31 23:20:18,325 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1063 transitions. [2022-01-31 23:20:18,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1185 [2022-01-31 23:20:18,334 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:20:18,334 INFO L514 BasicCegarLoop]: trace histogram [130, 130, 130, 130, 130, 130, 130, 130, 130, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:20:18,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-01-31 23:20:18,334 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:20:18,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:20:18,335 INFO L85 PathProgramCache]: Analyzing trace with hash -540624604, now seen corresponding path program 130 times [2022-01-31 23:20:18,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:20:18,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676034220] [2022-01-31 23:20:18,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:20:18,340 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:20:18,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:20:18,479 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:20:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:20:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:20:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:20:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:20:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:20:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:20:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:20:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:20:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:20:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:20:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:20:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:20:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:20:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:20:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:20:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:20:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:20:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:20:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:20:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:20:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:20:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:20:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:20:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:20:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:20:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:20:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:20:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:20:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:20:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:20:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:20:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:20:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:20:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:20:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:20:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:20:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:20:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:20:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:20:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:20:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:20:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:20:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:20:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:20:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:20:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:20:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:20:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:20:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:20:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:20:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:20:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:20:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:20:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:20:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:20:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:20:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:20:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:20:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:20:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:20:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:20:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:20:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:20:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:20:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:20:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:20:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:20:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:20:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:20:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:20:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:20:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:20:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:20:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:20:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:20:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:20:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:20:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:20:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:20:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:20:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:20:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:20:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:20:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:20:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:20:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:20:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:20:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:20:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:20:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:20:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:20:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:20:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:20:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:20:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:20:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:20:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:20:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:20:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:20:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:20:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:20:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:20:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:20:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:20:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:20:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:20:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:20:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:20:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:20:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:20:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:20:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:20:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:20:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:20:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:20:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:20:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:20:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:20:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:20:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:20:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-01-31 23:20:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 23:20:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-01-31 23:20:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-01-31 23:20:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-01-31 23:20:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2022-01-31 23:20:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2022-01-31 23:20:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2022-01-31 23:20:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2022-01-31 23:20:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2022-01-31 23:20:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2022-01-31 23:20:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:24,778 INFO L134 CoverageAnalysis]: Checked inductivity of 25155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25155 trivial. 0 not checked. [2022-01-31 23:20:24,778 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:20:24,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [676034220] [2022-01-31 23:20:24,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [676034220] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:20:24,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:20:24,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [134] imperfect sequences [] total 134 [2022-01-31 23:20:24,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706307842] [2022-01-31 23:20:24,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:20:24,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2022-01-31 23:20:24,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:20:24,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2022-01-31 23:20:24,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8780, Invalid=9042, Unknown=0, NotChecked=0, Total=17822 [2022-01-31 23:20:24,783 INFO L87 Difference]: Start difference. First operand 802 states and 1063 transitions. Second operand has 134 states, 134 states have (on average 4.940298507462686) internal successors, (662), 133 states have internal predecessors, (662), 132 states have call successors, (133), 3 states have call predecessors, (133), 1 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) [2022-01-31 23:20:30,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:20:30,578 INFO L93 Difference]: Finished difference Result 1480 states and 2009 transitions. [2022-01-31 23:20:30,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2022-01-31 23:20:30,579 INFO L78 Accepts]: Start accepts. Automaton has has 134 states, 134 states have (on average 4.940298507462686) internal successors, (662), 133 states have internal predecessors, (662), 132 states have call successors, (133), 3 states have call predecessors, (133), 1 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) Word has length 1184 [2022-01-31 23:20:30,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:20:30,582 INFO L225 Difference]: With dead ends: 1480 [2022-01-31 23:20:30,582 INFO L226 Difference]: Without dead ends: 1468 [2022-01-31 23:20:30,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=8914, Invalid=9176, Unknown=0, NotChecked=0, Total=18090 [2022-01-31 23:20:30,583 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 3190 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 2030 mSolverCounterSat, 1491 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3322 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 3521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1491 IncrementalHoareTripleChecker+Valid, 2030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-31 23:20:30,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3322 Valid, 1176 Invalid, 3521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1491 Valid, 2030 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-31 23:20:30,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1468 states. [2022-01-31 23:20:30,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1468 to 808. [2022-01-31 23:20:30,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 670 states have (on average 1.2) internal successors, (804), 670 states have internal predecessors, (804), 134 states have call successors, (134), 4 states have call predecessors, (134), 3 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2022-01-31 23:20:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1071 transitions. [2022-01-31 23:20:30,600 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1071 transitions. Word has length 1184 [2022-01-31 23:20:30,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:20:30,601 INFO L470 AbstractCegarLoop]: Abstraction has 808 states and 1071 transitions. [2022-01-31 23:20:30,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 4.940298507462686) internal successors, (662), 133 states have internal predecessors, (662), 132 states have call successors, (133), 3 states have call predecessors, (133), 1 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) [2022-01-31 23:20:30,601 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1071 transitions. [2022-01-31 23:20:30,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1194 [2022-01-31 23:20:30,608 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:20:30,608 INFO L514 BasicCegarLoop]: trace histogram [131, 131, 131, 131, 131, 131, 131, 131, 131, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:20:30,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-01-31 23:20:30,609 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:20:30,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:20:30,609 INFO L85 PathProgramCache]: Analyzing trace with hash -638674014, now seen corresponding path program 131 times [2022-01-31 23:20:30,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:20:30,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [674451813] [2022-01-31 23:20:30,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:20:30,613 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:20:30,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:20:30,848 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:20:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:20:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:20:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:20:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:20:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:20:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:20:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:20:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:20:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:20:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:20:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:20:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:20:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:20:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:20:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:20:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:20:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:20:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:20:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:20:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:20:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:20:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:20:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:20:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:20:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:20:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:20:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:20:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:20:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:20:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:20:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:20:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:20:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:20:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:20:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:20:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:20:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:20:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:20:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:20:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:20:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:20:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:20:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:20:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:20:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:20:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:20:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:20:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:20:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:20:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:20:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:20:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:20:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:20:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:20:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:20:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:20:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:20:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:20:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:20:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:20:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:20:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:20:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:20:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:20:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:20:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:20:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:20:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:20:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:20:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:20:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:20:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:20:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:20:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:20:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:20:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:20:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:20:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:20:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:20:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:20:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:20:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:20:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:20:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:20:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:20:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:20:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:20:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:20:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:20:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:20:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:20:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:20:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:20:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:20:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:20:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:20:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:20:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:20:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:20:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:20:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:20:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:20:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:20:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:20:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:20:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:20:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:20:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:20:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:20:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:20:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:20:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:20:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:20:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:20:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:20:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:20:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:20:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:20:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:20:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:20:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-01-31 23:20:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 23:20:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-01-31 23:20:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-01-31 23:20:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-01-31 23:20:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2022-01-31 23:20:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2022-01-31 23:20:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2022-01-31 23:20:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2022-01-31 23:20:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2022-01-31 23:20:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2022-01-31 23:20:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2022-01-31 23:20:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:37,220 INFO L134 CoverageAnalysis]: Checked inductivity of 25545 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25545 trivial. 0 not checked. [2022-01-31 23:20:37,221 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:20:37,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [674451813] [2022-01-31 23:20:37,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [674451813] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:20:37,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:20:37,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [135] imperfect sequences [] total 135 [2022-01-31 23:20:37,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053573665] [2022-01-31 23:20:37,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:20:37,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2022-01-31 23:20:37,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:20:37,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2022-01-31 23:20:37,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8913, Invalid=9177, Unknown=0, NotChecked=0, Total=18090 [2022-01-31 23:20:37,226 INFO L87 Difference]: Start difference. First operand 808 states and 1071 transitions. Second operand has 135 states, 135 states have (on average 4.940740740740741) internal successors, (667), 134 states have internal predecessors, (667), 133 states have call successors, (134), 3 states have call predecessors, (134), 1 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2022-01-31 23:20:43,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:20:43,474 INFO L93 Difference]: Finished difference Result 1491 states and 2024 transitions. [2022-01-31 23:20:43,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2022-01-31 23:20:43,474 INFO L78 Accepts]: Start accepts. Automaton has has 135 states, 135 states have (on average 4.940740740740741) internal successors, (667), 134 states have internal predecessors, (667), 133 states have call successors, (134), 3 states have call predecessors, (134), 1 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) Word has length 1193 [2022-01-31 23:20:43,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:20:43,477 INFO L225 Difference]: With dead ends: 1491 [2022-01-31 23:20:43,477 INFO L226 Difference]: Without dead ends: 1479 [2022-01-31 23:20:43,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=9048, Invalid=9312, Unknown=0, NotChecked=0, Total=18360 [2022-01-31 23:20:43,478 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 3213 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 2035 mSolverCounterSat, 1501 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3346 SdHoareTripleChecker+Valid, 1179 SdHoareTripleChecker+Invalid, 3536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1501 IncrementalHoareTripleChecker+Valid, 2035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-31 23:20:43,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3346 Valid, 1179 Invalid, 3536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1501 Valid, 2035 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-31 23:20:43,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1479 states. [2022-01-31 23:20:43,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1479 to 814. [2022-01-31 23:20:43,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 675 states have (on average 1.2) internal successors, (810), 675 states have internal predecessors, (810), 135 states have call successors, (135), 4 states have call predecessors, (135), 3 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2022-01-31 23:20:43,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1079 transitions. [2022-01-31 23:20:43,496 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1079 transitions. Word has length 1193 [2022-01-31 23:20:43,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:20:43,496 INFO L470 AbstractCegarLoop]: Abstraction has 814 states and 1079 transitions. [2022-01-31 23:20:43,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 4.940740740740741) internal successors, (667), 134 states have internal predecessors, (667), 133 states have call successors, (134), 3 states have call predecessors, (134), 1 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2022-01-31 23:20:43,496 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1079 transitions. [2022-01-31 23:20:43,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1203 [2022-01-31 23:20:43,503 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:20:43,503 INFO L514 BasicCegarLoop]: trace histogram [132, 132, 132, 132, 132, 132, 132, 132, 132, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:20:43,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-01-31 23:20:43,504 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:20:43,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:20:43,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1839900388, now seen corresponding path program 132 times [2022-01-31 23:20:43,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:20:43,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1882040679] [2022-01-31 23:20:43,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:20:43,507 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:20:43,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:20:43,656 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:20:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:20:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:20:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:20:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:20:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:20:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:20:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:20:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:20:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:20:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:20:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:20:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:20:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:20:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:20:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:20:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:20:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:20:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:20:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:20:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:20:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:20:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:20:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:20:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:20:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:20:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:20:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:20:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:20:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:20:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:20:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:20:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:20:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:20:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:20:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:20:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:20:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:20:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:20:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:20:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:20:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:20:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:20:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:20:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:20:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:20:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:20:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:20:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:20:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:20:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:20:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:20:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:20:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:20:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:20:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:20:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:20:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:20:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:20:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:20:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:20:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:20:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:20:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:20:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:20:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:20:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:20:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:20:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:20:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:20:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:20:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:20:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:20:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:20:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:20:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:20:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:20:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:20:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:20:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:20:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:20:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:20:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:20:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:20:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:20:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:20:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:20:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:20:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:20:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:20:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:20:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:20:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:20:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:20:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:20:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:20:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:20:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:20:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:20:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:20:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:20:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:20:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:20:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:20:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:20:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:20:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:20:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:20:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:20:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:20:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:20:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:20:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:20:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:20:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:20:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:20:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:20:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:20:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:20:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:20:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:20:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-01-31 23:20:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 23:20:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-01-31 23:20:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-01-31 23:20:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-01-31 23:20:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2022-01-31 23:20:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2022-01-31 23:20:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2022-01-31 23:20:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2022-01-31 23:20:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2022-01-31 23:20:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2022-01-31 23:20:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2022-01-31 23:20:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2022-01-31 23:20:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:20:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 25938 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25938 trivial. 0 not checked. [2022-01-31 23:20:50,284 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:20:50,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1882040679] [2022-01-31 23:20:50,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1882040679] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:20:50,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:20:50,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [136] imperfect sequences [] total 136 [2022-01-31 23:20:50,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145289809] [2022-01-31 23:20:50,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:20:50,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2022-01-31 23:20:50,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:20:50,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2022-01-31 23:20:50,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9047, Invalid=9313, Unknown=0, NotChecked=0, Total=18360 [2022-01-31 23:20:50,290 INFO L87 Difference]: Start difference. First operand 814 states and 1079 transitions. Second operand has 136 states, 136 states have (on average 4.9411764705882355) internal successors, (672), 135 states have internal predecessors, (672), 134 states have call successors, (135), 3 states have call predecessors, (135), 1 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2022-01-31 23:20:57,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:20:57,160 INFO L93 Difference]: Finished difference Result 1502 states and 2039 transitions. [2022-01-31 23:20:57,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2022-01-31 23:20:57,161 INFO L78 Accepts]: Start accepts. Automaton has has 136 states, 136 states have (on average 4.9411764705882355) internal successors, (672), 135 states have internal predecessors, (672), 134 states have call successors, (135), 3 states have call predecessors, (135), 1 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) Word has length 1202 [2022-01-31 23:20:57,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:20:57,163 INFO L225 Difference]: With dead ends: 1502 [2022-01-31 23:20:57,163 INFO L226 Difference]: Without dead ends: 1490 [2022-01-31 23:20:57,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=9183, Invalid=9449, Unknown=0, NotChecked=0, Total=18632 [2022-01-31 23:20:57,164 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 2950 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 2376 mSolverCounterSat, 1375 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3084 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 3751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1375 IncrementalHoareTripleChecker+Valid, 2376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-31 23:20:57,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3084 Valid, 1205 Invalid, 3751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1375 Valid, 2376 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-31 23:20:57,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2022-01-31 23:20:57,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 820. [2022-01-31 23:20:57,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 680 states have (on average 1.2) internal successors, (816), 680 states have internal predecessors, (816), 136 states have call successors, (136), 4 states have call predecessors, (136), 3 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2022-01-31 23:20:57,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1087 transitions. [2022-01-31 23:20:57,185 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1087 transitions. Word has length 1202 [2022-01-31 23:20:57,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:20:57,186 INFO L470 AbstractCegarLoop]: Abstraction has 820 states and 1087 transitions. [2022-01-31 23:20:57,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 4.9411764705882355) internal successors, (672), 135 states have internal predecessors, (672), 134 states have call successors, (135), 3 states have call predecessors, (135), 1 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2022-01-31 23:20:57,186 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1087 transitions. [2022-01-31 23:20:57,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1212 [2022-01-31 23:20:57,194 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:20:57,194 INFO L514 BasicCegarLoop]: trace histogram [133, 133, 133, 133, 133, 133, 133, 133, 133, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:20:57,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-01-31 23:20:57,194 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:20:57,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:20:57,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1882858978, now seen corresponding path program 133 times [2022-01-31 23:20:57,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:20:57,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376615925] [2022-01-31 23:20:57,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:20:57,198 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:20:57,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:20:57,344 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:20:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:21:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:21:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:21:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:21:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:21:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:21:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:21:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:21:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:21:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:21:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:21:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:21:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:21:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:21:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:21:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:21:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:21:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:21:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:21:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:21:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:21:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:21:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:21:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:21:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:21:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:21:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:21:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:21:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:21:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:21:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:21:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:21:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:21:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:21:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:21:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:21:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:21:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:21:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:21:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:21:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:21:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:21:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:21:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:21:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:21:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:21:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:21:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:21:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:21:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:21:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:21:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:21:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:21:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:21:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:21:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:21:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:21:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:21:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:21:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:21:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:21:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:21:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:21:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:21:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:21:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:21:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:21:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:21:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:21:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:21:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:21:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:21:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:21:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:21:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:21:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:21:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:21:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:21:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:21:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:21:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:21:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:21:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:21:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:21:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:21:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:21:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:21:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:21:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:21:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:21:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:21:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:21:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:21:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:21:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:21:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:21:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:21:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:21:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:21:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:21:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:21:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:21:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:21:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:21:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:21:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:21:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:21:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:21:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:21:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:21:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:21:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:21:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:21:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:21:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:21:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:21:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:21:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:21:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:21:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:21:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-01-31 23:21:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 23:21:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-01-31 23:21:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-01-31 23:21:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-01-31 23:21:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2022-01-31 23:21:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2022-01-31 23:21:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2022-01-31 23:21:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2022-01-31 23:21:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:04,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2022-01-31 23:21:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:04,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2022-01-31 23:21:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:04,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2022-01-31 23:21:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:04,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2022-01-31 23:21:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:04,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2022-01-31 23:21:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:04,008 INFO L134 CoverageAnalysis]: Checked inductivity of 26334 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26334 trivial. 0 not checked. [2022-01-31 23:21:04,009 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:21:04,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376615925] [2022-01-31 23:21:04,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1376615925] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:21:04,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:21:04,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [137] imperfect sequences [] total 137 [2022-01-31 23:21:04,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197232592] [2022-01-31 23:21:04,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:21:04,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2022-01-31 23:21:04,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:21:04,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2022-01-31 23:21:04,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9182, Invalid=9450, Unknown=0, NotChecked=0, Total=18632 [2022-01-31 23:21:04,014 INFO L87 Difference]: Start difference. First operand 820 states and 1087 transitions. Second operand has 137 states, 137 states have (on average 4.9416058394160585) internal successors, (677), 136 states have internal predecessors, (677), 135 states have call successors, (136), 3 states have call predecessors, (136), 1 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2022-01-31 23:21:11,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:21:11,162 INFO L93 Difference]: Finished difference Result 1513 states and 2054 transitions. [2022-01-31 23:21:11,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2022-01-31 23:21:11,162 INFO L78 Accepts]: Start accepts. Automaton has has 137 states, 137 states have (on average 4.9416058394160585) internal successors, (677), 136 states have internal predecessors, (677), 135 states have call successors, (136), 3 states have call predecessors, (136), 1 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) Word has length 1211 [2022-01-31 23:21:11,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:21:11,165 INFO L225 Difference]: With dead ends: 1513 [2022-01-31 23:21:11,165 INFO L226 Difference]: Without dead ends: 1501 [2022-01-31 23:21:11,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=9319, Invalid=9587, Unknown=0, NotChecked=0, Total=18906 [2022-01-31 23:21:11,166 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 3388 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 2415 mSolverCounterSat, 1589 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3523 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 4004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1589 IncrementalHoareTripleChecker+Valid, 2415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-31 23:21:11,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3523 Valid, 1205 Invalid, 4004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1589 Valid, 2415 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-31 23:21:11,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2022-01-31 23:21:11,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 826. [2022-01-31 23:21:11,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 685 states have (on average 1.2) internal successors, (822), 685 states have internal predecessors, (822), 137 states have call successors, (137), 4 states have call predecessors, (137), 3 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2022-01-31 23:21:11,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1095 transitions. [2022-01-31 23:21:11,185 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1095 transitions. Word has length 1211 [2022-01-31 23:21:11,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:21:11,185 INFO L470 AbstractCegarLoop]: Abstraction has 826 states and 1095 transitions. [2022-01-31 23:21:11,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 4.9416058394160585) internal successors, (677), 136 states have internal predecessors, (677), 135 states have call successors, (136), 3 states have call predecessors, (136), 1 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2022-01-31 23:21:11,186 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1095 transitions. [2022-01-31 23:21:11,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1221 [2022-01-31 23:21:11,193 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:21:11,193 INFO L514 BasicCegarLoop]: trace histogram [134, 134, 134, 134, 134, 134, 134, 134, 134, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:21:11,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-01-31 23:21:11,193 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:21:11,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:21:11,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1695982756, now seen corresponding path program 134 times [2022-01-31 23:21:11,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:21:11,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [718864722] [2022-01-31 23:21:11,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:21:11,198 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:21:11,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:21:11,371 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:21:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:17,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:21:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:17,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:21:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:17,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:21:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:17,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:21:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:17,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:21:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:17,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:21:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:17,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:21:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:17,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:21:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:17,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:21:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:17,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:21:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:17,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:21:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:17,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:21:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:21:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:21:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:21:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:21:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:21:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:21:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:21:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:21:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:21:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:21:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:21:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:21:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:21:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:21:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:21:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:21:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:21:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:21:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:21:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:21:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:21:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:21:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:21:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:21:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:21:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:21:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:21:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:21:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:21:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:21:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:21:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:21:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:21:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:21:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:21:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:21:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:21:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:21:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:21:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:21:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:21:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:21:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:21:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:21:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:21:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:21:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:21:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:21:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:21:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:21:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:21:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:21:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:21:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:21:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:21:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:21:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:21:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:21:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:21:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:21:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:21:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:21:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:21:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:21:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:21:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:21:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:21:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:21:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:21:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:21:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:21:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:21:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:21:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:21:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:21:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:21:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:21:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:21:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:21:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:21:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:21:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:21:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:21:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:21:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:21:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:21:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:21:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:21:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:21:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:21:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:21:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:21:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:21:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:21:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:21:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:21:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:21:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:21:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:21:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:21:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:21:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:21:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:21:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:21:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:21:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:21:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:21:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:21:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-01-31 23:21:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 23:21:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-01-31 23:21:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-01-31 23:21:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-01-31 23:21:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2022-01-31 23:21:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2022-01-31 23:21:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2022-01-31 23:21:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2022-01-31 23:21:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2022-01-31 23:21:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2022-01-31 23:21:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2022-01-31 23:21:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2022-01-31 23:21:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2022-01-31 23:21:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2022-01-31 23:21:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:18,159 INFO L134 CoverageAnalysis]: Checked inductivity of 26733 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26733 trivial. 0 not checked. [2022-01-31 23:21:18,159 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:21:18,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [718864722] [2022-01-31 23:21:18,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [718864722] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:21:18,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:21:18,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [138] imperfect sequences [] total 138 [2022-01-31 23:21:18,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511286352] [2022-01-31 23:21:18,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:21:18,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 138 states [2022-01-31 23:21:18,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:21:18,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2022-01-31 23:21:18,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9318, Invalid=9588, Unknown=0, NotChecked=0, Total=18906 [2022-01-31 23:21:18,162 INFO L87 Difference]: Start difference. First operand 826 states and 1095 transitions. Second operand has 138 states, 138 states have (on average 4.942028985507246) internal successors, (682), 137 states have internal predecessors, (682), 136 states have call successors, (137), 3 states have call predecessors, (137), 1 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2022-01-31 23:21:25,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:21:25,019 INFO L93 Difference]: Finished difference Result 1524 states and 2069 transitions. [2022-01-31 23:21:25,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2022-01-31 23:21:25,020 INFO L78 Accepts]: Start accepts. Automaton has has 138 states, 138 states have (on average 4.942028985507246) internal successors, (682), 137 states have internal predecessors, (682), 136 states have call successors, (137), 3 states have call predecessors, (137), 1 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) Word has length 1220 [2022-01-31 23:21:25,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:21:25,023 INFO L225 Difference]: With dead ends: 1524 [2022-01-31 23:21:25,023 INFO L226 Difference]: Without dead ends: 1512 [2022-01-31 23:21:25,024 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=9456, Invalid=9726, Unknown=0, NotChecked=0, Total=19182 [2022-01-31 23:21:25,024 INFO L933 BasicCegarLoop]: 292 mSDtfsCounter, 3408 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 2196 mSolverCounterSat, 1602 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3544 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 3798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1602 IncrementalHoareTripleChecker+Valid, 2196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-31 23:21:25,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3544 Valid, 1210 Invalid, 3798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1602 Valid, 2196 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-31 23:21:25,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2022-01-31 23:21:25,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 832. [2022-01-31 23:21:25,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 690 states have (on average 1.2) internal successors, (828), 690 states have internal predecessors, (828), 138 states have call successors, (138), 4 states have call predecessors, (138), 3 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2022-01-31 23:21:25,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1103 transitions. [2022-01-31 23:21:25,111 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1103 transitions. Word has length 1220 [2022-01-31 23:21:25,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:21:25,111 INFO L470 AbstractCegarLoop]: Abstraction has 832 states and 1103 transitions. [2022-01-31 23:21:25,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 138 states, 138 states have (on average 4.942028985507246) internal successors, (682), 137 states have internal predecessors, (682), 136 states have call successors, (137), 3 states have call predecessors, (137), 1 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2022-01-31 23:21:25,112 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1103 transitions. [2022-01-31 23:21:25,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1230 [2022-01-31 23:21:25,119 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:21:25,119 INFO L514 BasicCegarLoop]: trace histogram [135, 135, 135, 135, 135, 135, 135, 135, 135, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:21:25,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-01-31 23:21:25,119 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:21:25,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:21:25,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1829740578, now seen corresponding path program 135 times [2022-01-31 23:21:25,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:21:25,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1851072921] [2022-01-31 23:21:25,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:21:25,123 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:21:25,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:21:25,288 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:21:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:21:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:21:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:21:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:21:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:21:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:21:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:21:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:21:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:21:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:21:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:21:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:21:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:21:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:21:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:21:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:21:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:21:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:21:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:21:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:21:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:21:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:21:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:21:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:21:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:21:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:21:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:21:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:21:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:21:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:21:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:21:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:21:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:21:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:21:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:21:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:21:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:21:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:21:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:21:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:21:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:21:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:21:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:21:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:21:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:21:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:21:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:21:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:21:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:21:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:21:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:21:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:21:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:21:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:21:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:21:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:21:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:21:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:21:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:21:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:21:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:21:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:21:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:21:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:21:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:21:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:21:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:21:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:21:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:21:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:21:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:21:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:21:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:21:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:21:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:21:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:21:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:21:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:21:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:21:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:21:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:21:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:21:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:21:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:21:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:21:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:21:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:21:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:21:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:21:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:21:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:21:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:21:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:21:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:21:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:21:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:21:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:21:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:21:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:21:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:21:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:21:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:21:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:21:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:21:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:21:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:21:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:21:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:21:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:21:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:21:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:21:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:21:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:21:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:21:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:21:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:21:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:21:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:21:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:21:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:21:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-01-31 23:21:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 23:21:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-01-31 23:21:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-01-31 23:21:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-01-31 23:21:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2022-01-31 23:21:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2022-01-31 23:21:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2022-01-31 23:21:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2022-01-31 23:21:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2022-01-31 23:21:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2022-01-31 23:21:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2022-01-31 23:21:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2022-01-31 23:21:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2022-01-31 23:21:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2022-01-31 23:21:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1213 [2022-01-31 23:21:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:32,197 INFO L134 CoverageAnalysis]: Checked inductivity of 27135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27135 trivial. 0 not checked. [2022-01-31 23:21:32,197 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:21:32,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1851072921] [2022-01-31 23:21:32,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1851072921] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:21:32,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:21:32,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [139] imperfect sequences [] total 139 [2022-01-31 23:21:32,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035129572] [2022-01-31 23:21:32,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:21:32,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2022-01-31 23:21:32,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:21:32,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2022-01-31 23:21:32,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9455, Invalid=9727, Unknown=0, NotChecked=0, Total=19182 [2022-01-31 23:21:32,203 INFO L87 Difference]: Start difference. First operand 832 states and 1103 transitions. Second operand has 139 states, 139 states have (on average 4.942446043165468) internal successors, (687), 138 states have internal predecessors, (687), 137 states have call successors, (138), 3 states have call predecessors, (138), 1 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2022-01-31 23:21:39,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:21:39,241 INFO L93 Difference]: Finished difference Result 1535 states and 2084 transitions. [2022-01-31 23:21:39,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-01-31 23:21:39,242 INFO L78 Accepts]: Start accepts. Automaton has has 139 states, 139 states have (on average 4.942446043165468) internal successors, (687), 138 states have internal predecessors, (687), 137 states have call successors, (138), 3 states have call predecessors, (138), 1 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) Word has length 1229 [2022-01-31 23:21:39,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:21:39,244 INFO L225 Difference]: With dead ends: 1535 [2022-01-31 23:21:39,245 INFO L226 Difference]: Without dead ends: 1523 [2022-01-31 23:21:39,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=9594, Invalid=9866, Unknown=0, NotChecked=0, Total=19460 [2022-01-31 23:21:39,246 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 3095 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 2237 mSolverCounterSat, 1434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3232 SdHoareTripleChecker+Valid, 1215 SdHoareTripleChecker+Invalid, 3671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1434 IncrementalHoareTripleChecker+Valid, 2237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-31 23:21:39,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3232 Valid, 1215 Invalid, 3671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1434 Valid, 2237 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-31 23:21:39,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2022-01-31 23:21:39,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 838. [2022-01-31 23:21:39,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 695 states have (on average 1.2) internal successors, (834), 695 states have internal predecessors, (834), 139 states have call successors, (139), 4 states have call predecessors, (139), 3 states have return successors, (138), 138 states have call predecessors, (138), 138 states have call successors, (138) [2022-01-31 23:21:39,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1111 transitions. [2022-01-31 23:21:39,342 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1111 transitions. Word has length 1229 [2022-01-31 23:21:39,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:21:39,343 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1111 transitions. [2022-01-31 23:21:39,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 139 states have (on average 4.942446043165468) internal successors, (687), 138 states have internal predecessors, (687), 137 states have call successors, (138), 3 states have call predecessors, (138), 1 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2022-01-31 23:21:39,343 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1111 transitions. [2022-01-31 23:21:39,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1239 [2022-01-31 23:21:39,353 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:21:39,353 INFO L514 BasicCegarLoop]: trace histogram [136, 136, 136, 136, 136, 136, 136, 136, 136, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:21:39,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-01-31 23:21:39,353 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:21:39,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:21:39,354 INFO L85 PathProgramCache]: Analyzing trace with hash 438743652, now seen corresponding path program 136 times [2022-01-31 23:21:39,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:21:39,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1673870742] [2022-01-31 23:21:39,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:21:39,361 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:21:39,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:21:39,537 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:21:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:21:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:21:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:21:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:21:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:21:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:21:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:21:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:21:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:21:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:21:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:21:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:21:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:21:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:21:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:21:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:21:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:21:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:21:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:21:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:21:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:21:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:21:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:21:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:21:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:21:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:21:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:21:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:21:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:21:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:21:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:21:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:21:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:21:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:21:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:21:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:21:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:21:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:21:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:21:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:21:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:21:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:21:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:21:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:21:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:21:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:21:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:21:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:21:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:21:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:21:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:21:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:21:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:21:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:21:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:21:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:21:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:21:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:21:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:21:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:21:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:21:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:21:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:21:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:21:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:21:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:21:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:21:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:21:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:21:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:21:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:21:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:21:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:21:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:21:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:21:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:21:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:21:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:21:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:21:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:21:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:21:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:21:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:21:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:21:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:21:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:21:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:21:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:21:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:21:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:21:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:21:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:21:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:21:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:21:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:21:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:21:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:21:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:21:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:21:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:21:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:21:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:21:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:21:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:21:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:21:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:21:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:21:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:21:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:21:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:21:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:21:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:21:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:21:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:21:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:21:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:21:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:21:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:21:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:21:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:21:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-01-31 23:21:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 23:21:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-01-31 23:21:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-01-31 23:21:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-01-31 23:21:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2022-01-31 23:21:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2022-01-31 23:21:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2022-01-31 23:21:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2022-01-31 23:21:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2022-01-31 23:21:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2022-01-31 23:21:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2022-01-31 23:21:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2022-01-31 23:21:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2022-01-31 23:21:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2022-01-31 23:21:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1213 [2022-01-31 23:21:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2022-01-31 23:21:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:21:46,447 INFO L134 CoverageAnalysis]: Checked inductivity of 27540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27540 trivial. 0 not checked. [2022-01-31 23:21:46,447 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:21:46,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1673870742] [2022-01-31 23:21:46,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1673870742] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:21:46,447 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:21:46,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [140] imperfect sequences [] total 140 [2022-01-31 23:21:46,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401256459] [2022-01-31 23:21:46,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:21:46,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 140 states [2022-01-31 23:21:46,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:21:46,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2022-01-31 23:21:46,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9593, Invalid=9867, Unknown=0, NotChecked=0, Total=19460 [2022-01-31 23:21:46,453 INFO L87 Difference]: Start difference. First operand 838 states and 1111 transitions. Second operand has 140 states, 140 states have (on average 4.942857142857143) internal successors, (692), 139 states have internal predecessors, (692), 138 states have call successors, (139), 3 states have call predecessors, (139), 1 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2022-01-31 23:21:53,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:21:53,457 INFO L93 Difference]: Finished difference Result 1546 states and 2099 transitions. [2022-01-31 23:21:53,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2022-01-31 23:21:53,457 INFO L78 Accepts]: Start accepts. Automaton has has 140 states, 140 states have (on average 4.942857142857143) internal successors, (692), 139 states have internal predecessors, (692), 138 states have call successors, (139), 3 states have call predecessors, (139), 1 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) Word has length 1238 [2022-01-31 23:21:53,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:21:53,460 INFO L225 Difference]: With dead ends: 1546 [2022-01-31 23:21:53,460 INFO L226 Difference]: Without dead ends: 1534 [2022-01-31 23:21:53,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=9733, Invalid=10007, Unknown=0, NotChecked=0, Total=19740 [2022-01-31 23:21:53,461 INFO L933 BasicCegarLoop]: 296 mSDtfsCounter, 2814 mSDsluCounter, 952 mSDsCounter, 0 mSdLazyCounter, 2298 mSolverCounterSat, 1305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2952 SdHoareTripleChecker+Valid, 1248 SdHoareTripleChecker+Invalid, 3603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1305 IncrementalHoareTripleChecker+Valid, 2298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-31 23:21:53,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2952 Valid, 1248 Invalid, 3603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1305 Valid, 2298 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-31 23:21:53,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2022-01-31 23:21:53,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 844. [2022-01-31 23:21:53,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 700 states have (on average 1.2) internal successors, (840), 700 states have internal predecessors, (840), 140 states have call successors, (140), 4 states have call predecessors, (140), 3 states have return successors, (139), 139 states have call predecessors, (139), 139 states have call successors, (139) [2022-01-31 23:21:53,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1119 transitions. [2022-01-31 23:21:53,485 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1119 transitions. Word has length 1238 [2022-01-31 23:21:53,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:21:53,485 INFO L470 AbstractCegarLoop]: Abstraction has 844 states and 1119 transitions. [2022-01-31 23:21:53,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 140 states, 140 states have (on average 4.942857142857143) internal successors, (692), 139 states have internal predecessors, (692), 138 states have call successors, (139), 3 states have call predecessors, (139), 1 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2022-01-31 23:21:53,486 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1119 transitions. [2022-01-31 23:21:53,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1248 [2022-01-31 23:21:53,493 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:21:53,493 INFO L514 BasicCegarLoop]: trace histogram [137, 137, 137, 137, 137, 137, 137, 137, 137, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:21:53,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-01-31 23:21:53,494 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:21:53,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:21:53,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1540557410, now seen corresponding path program 137 times [2022-01-31 23:21:53,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:21:53,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2033121176] [2022-01-31 23:21:53,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:21:53,501 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:21:53,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:21:53,695 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:21:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:22:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:22:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:22:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:22:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:22:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:22:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:22:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:22:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:22:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:22:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:22:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:22:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:22:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:22:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:22:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:22:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:22:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:22:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:22:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:22:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:22:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:22:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:22:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:22:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:22:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:22:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:22:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:22:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:22:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:22:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:22:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:22:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:22:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:22:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:22:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:22:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:22:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:22:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:22:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:22:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:22:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:22:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:22:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:22:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:22:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:22:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:22:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:22:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:22:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:22:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:22:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:22:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:22:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:22:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:22:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:22:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:22:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:22:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:22:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:22:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:22:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:22:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:22:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:22:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:22:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:22:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:22:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:22:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:22:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:22:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:22:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:22:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:22:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:22:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:22:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:22:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:22:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:22:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:22:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:22:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:22:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:22:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:22:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:22:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:22:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:22:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:22:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:22:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:22:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:22:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:22:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:22:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:22:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:22:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:22:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:22:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:22:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:22:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:22:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:22:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:22:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:22:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:22:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:22:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:22:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:22:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:22:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:22:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:22:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:22:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:22:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:22:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:22:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:22:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:22:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:22:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:22:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:22:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:22:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:22:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-01-31 23:22:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 23:22:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-01-31 23:22:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-01-31 23:22:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-01-31 23:22:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2022-01-31 23:22:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2022-01-31 23:22:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2022-01-31 23:22:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2022-01-31 23:22:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2022-01-31 23:22:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2022-01-31 23:22:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2022-01-31 23:22:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2022-01-31 23:22:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2022-01-31 23:22:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2022-01-31 23:22:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1213 [2022-01-31 23:22:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2022-01-31 23:22:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2022-01-31 23:22:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:00,634 INFO L134 CoverageAnalysis]: Checked inductivity of 27948 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27948 trivial. 0 not checked. [2022-01-31 23:22:00,634 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:22:00,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2033121176] [2022-01-31 23:22:00,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2033121176] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:22:00,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:22:00,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [141] imperfect sequences [] total 141 [2022-01-31 23:22:00,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974624799] [2022-01-31 23:22:00,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:22:00,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2022-01-31 23:22:00,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:22:00,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2022-01-31 23:22:00,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9732, Invalid=10008, Unknown=0, NotChecked=0, Total=19740 [2022-01-31 23:22:00,642 INFO L87 Difference]: Start difference. First operand 844 states and 1119 transitions. Second operand has 141 states, 141 states have (on average 4.943262411347518) internal successors, (697), 140 states have internal predecessors, (697), 139 states have call successors, (140), 3 states have call predecessors, (140), 1 states have return successors, (138), 138 states have call predecessors, (138), 138 states have call successors, (138) [2022-01-31 23:22:07,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:22:07,970 INFO L93 Difference]: Finished difference Result 1557 states and 2114 transitions. [2022-01-31 23:22:07,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-01-31 23:22:07,971 INFO L78 Accepts]: Start accepts. Automaton has has 141 states, 141 states have (on average 4.943262411347518) internal successors, (697), 140 states have internal predecessors, (697), 139 states have call successors, (140), 3 states have call predecessors, (140), 1 states have return successors, (138), 138 states have call predecessors, (138), 138 states have call successors, (138) Word has length 1247 [2022-01-31 23:22:07,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:22:07,973 INFO L225 Difference]: With dead ends: 1557 [2022-01-31 23:22:07,974 INFO L226 Difference]: Without dead ends: 1545 [2022-01-31 23:22:07,975 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=9873, Invalid=10149, Unknown=0, NotChecked=0, Total=20022 [2022-01-31 23:22:07,975 INFO L933 BasicCegarLoop]: 298 mSDtfsCounter, 3471 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 2257 mSolverCounterSat, 1629 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3610 SdHoareTripleChecker+Valid, 1233 SdHoareTripleChecker+Invalid, 3886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1629 IncrementalHoareTripleChecker+Valid, 2257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-31 23:22:07,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3610 Valid, 1233 Invalid, 3886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1629 Valid, 2257 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-31 23:22:07,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2022-01-31 23:22:07,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 850. [2022-01-31 23:22:07,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 705 states have (on average 1.2) internal successors, (846), 705 states have internal predecessors, (846), 141 states have call successors, (141), 4 states have call predecessors, (141), 3 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2022-01-31 23:22:07,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1127 transitions. [2022-01-31 23:22:07,994 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1127 transitions. Word has length 1247 [2022-01-31 23:22:07,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:22:07,994 INFO L470 AbstractCegarLoop]: Abstraction has 850 states and 1127 transitions. [2022-01-31 23:22:07,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 4.943262411347518) internal successors, (697), 140 states have internal predecessors, (697), 139 states have call successors, (140), 3 states have call predecessors, (140), 1 states have return successors, (138), 138 states have call predecessors, (138), 138 states have call successors, (138) [2022-01-31 23:22:07,995 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1127 transitions. [2022-01-31 23:22:08,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1257 [2022-01-31 23:22:08,002 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:22:08,003 INFO L514 BasicCegarLoop]: trace histogram [138, 138, 138, 138, 138, 138, 138, 138, 138, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:22:08,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-01-31 23:22:08,003 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:22:08,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:22:08,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1846095836, now seen corresponding path program 138 times [2022-01-31 23:22:08,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:22:08,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [826434298] [2022-01-31 23:22:08,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:22:08,010 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:22:08,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:22:08,176 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:22:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:22:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 23:22:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 23:22:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-01-31 23:22:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-01-31 23:22:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 23:22:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-01-31 23:22:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-01-31 23:22:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-01-31 23:22:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 23:22:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-01-31 23:22:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-01-31 23:22:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-01-31 23:22:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-01-31 23:22:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-01-31 23:22:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-01-31 23:22:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 23:22:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-01-31 23:22:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-01-31 23:22:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-01-31 23:22:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-01-31 23:22:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-01-31 23:22:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-01-31 23:22:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 23:22:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-01-31 23:22:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-01-31 23:22:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-01-31 23:22:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-01-31 23:22:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-01-31 23:22:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-01-31 23:22:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 23:22:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-01-31 23:22:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-01-31 23:22:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-01-31 23:22:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-01-31 23:22:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-01-31 23:22:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-01-31 23:22:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 23:22:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-01-31 23:22:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-01-31 23:22:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-01-31 23:22:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-01-31 23:22:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-01-31 23:22:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-01-31 23:22:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 23:22:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-01-31 23:22:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-01-31 23:22:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-01-31 23:22:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-01-31 23:22:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-01-31 23:22:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-01-31 23:22:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 23:22:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-01-31 23:22:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-01-31 23:22:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-01-31 23:22:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-01-31 23:22:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-01-31 23:22:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-01-31 23:22:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 23:22:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-01-31 23:22:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-01-31 23:22:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-01-31 23:22:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-01-31 23:22:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-01-31 23:22:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-01-31 23:22:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 23:22:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-01-31 23:22:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-01-31 23:22:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-01-31 23:22:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-01-31 23:22:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-01-31 23:22:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-01-31 23:22:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 23:22:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-01-31 23:22:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-01-31 23:22:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-01-31 23:22:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-01-31 23:22:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-01-31 23:22:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-01-31 23:22:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 23:22:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-01-31 23:22:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-01-31 23:22:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-01-31 23:22:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-01-31 23:22:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-01-31 23:22:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-01-31 23:22:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 23:22:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-01-31 23:22:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2022-01-31 23:22:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-01-31 23:22:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-01-31 23:22:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-01-31 23:22:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-01-31 23:22:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 23:22:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2022-01-31 23:22:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2022-01-31 23:22:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2022-01-31 23:22:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-01-31 23:22:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2022-01-31 23:22:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2022-01-31 23:22:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 23:22:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2022-01-31 23:22:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-01-31 23:22:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2022-01-31 23:22:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2022-01-31 23:22:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2022-01-31 23:22:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2022-01-31 23:22:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 23:22:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2022-01-31 23:22:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-01-31 23:22:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2022-01-31 23:22:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2022-01-31 23:22:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2022-01-31 23:22:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2022-01-31 23:22:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 23:22:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2022-01-31 23:22:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2022-01-31 23:22:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2022-01-31 23:22:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-01-31 23:22:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-01-31 23:22:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-01-31 23:22:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 23:22:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-01-31 23:22:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-01-31 23:22:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-01-31 23:22:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2022-01-31 23:22:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2022-01-31 23:22:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2022-01-31 23:22:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2022-01-31 23:22:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2022-01-31 23:22:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2022-01-31 23:22:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2022-01-31 23:22:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2022-01-31 23:22:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2022-01-31 23:22:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2022-01-31 23:22:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1213 [2022-01-31 23:22:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2022-01-31 23:22:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2022-01-31 23:22:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1240 [2022-01-31 23:22:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:22:15,333 INFO L134 CoverageAnalysis]: Checked inductivity of 28359 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28359 trivial. 0 not checked. [2022-01-31 23:22:15,333 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:22:15,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [826434298] [2022-01-31 23:22:15,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [826434298] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:22:15,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:22:15,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [142] imperfect sequences [] total 142 [2022-01-31 23:22:15,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711968274] [2022-01-31 23:22:15,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:22:15,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2022-01-31 23:22:15,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:22:15,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2022-01-31 23:22:15,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9872, Invalid=10150, Unknown=0, NotChecked=0, Total=20022 [2022-01-31 23:22:15,337 INFO L87 Difference]: Start difference. First operand 850 states and 1127 transitions. Second operand has 142 states, 142 states have (on average 4.943661971830986) internal successors, (702), 141 states have internal predecessors, (702), 140 states have call successors, (141), 3 states have call predecessors, (141), 1 states have return successors, (139), 139 states have call predecessors, (139), 139 states have call successors, (139) [2022-01-31 23:22:22,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:22:22,783 INFO L93 Difference]: Finished difference Result 1568 states and 2129 transitions. [2022-01-31 23:22:22,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-01-31 23:22:22,784 INFO L78 Accepts]: Start accepts. Automaton has has 142 states, 142 states have (on average 4.943661971830986) internal successors, (702), 141 states have internal predecessors, (702), 140 states have call successors, (141), 3 states have call predecessors, (141), 1 states have return successors, (139), 139 states have call predecessors, (139), 139 states have call successors, (139) Word has length 1256 [2022-01-31 23:22:22,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:22:22,787 INFO L225 Difference]: With dead ends: 1568 [2022-01-31 23:22:22,787 INFO L226 Difference]: Without dead ends: 1556 [2022-01-31 23:22:22,788 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=10014, Invalid=10292, Unknown=0, NotChecked=0, Total=20306 [2022-01-31 23:22:22,788 INFO L933 BasicCegarLoop]: 300 mSDtfsCounter, 3049 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 2246 mSolverCounterSat, 1425 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3189 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 3671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1425 IncrementalHoareTripleChecker+Valid, 2246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-31 23:22:22,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3189 Valid, 1271 Invalid, 3671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1425 Valid, 2246 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-31 23:22:22,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2022-01-31 23:22:22,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 856. [2022-01-31 23:22:22,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 710 states have (on average 1.2) internal successors, (852), 710 states have internal predecessors, (852), 142 states have call successors, (142), 4 states have call predecessors, (142), 3 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2022-01-31 23:22:22,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1135 transitions. [2022-01-31 23:22:22,809 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1135 transitions. Word has length 1256 [2022-01-31 23:22:22,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:22:22,810 INFO L470 AbstractCegarLoop]: Abstraction has 856 states and 1135 transitions. [2022-01-31 23:22:22,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 4.943661971830986) internal successors, (702), 141 states have internal predecessors, (702), 140 states have call successors, (141), 3 states have call predecessors, (141), 1 states have return successors, (139), 139 states have call predecessors, (139), 139 states have call successors, (139) [2022-01-31 23:22:22,810 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1135 transitions. [2022-01-31 23:22:22,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1266 [2022-01-31 23:22:22,818 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:22:22,818 INFO L514 BasicCegarLoop]: trace histogram [139, 139, 139, 139, 139, 139, 139, 139, 139, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:22:22,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-01-31 23:22:22,818 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:22:22,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:22:22,818 INFO L85 PathProgramCache]: Analyzing trace with hash 921199778, now seen corresponding path program 139 times [2022-01-31 23:22:22,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:22:22,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [916739729] [2022-01-31 23:22:22,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:22:22,821 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:22:22,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:22:22,974 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:22:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat