/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/Fibonacci02.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 01:00:55,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 01:00:55,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 01:00:55,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 01:00:55,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 01:00:55,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 01:00:55,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 01:00:55,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf [2022-01-10 01:00:55,632 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 01:00:55,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 01:00:55,632 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 01:00:55,632 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 01:00:55,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 01:00:55,633 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 01:00:55,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 01:00:55,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 01:00:55,634 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 01:00:55,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 01:00:55,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 01:00:55,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 01:00:55,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 01:00:55,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 01:00:55,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 01:00:55,635 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 01:00:55,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 01:00:55,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 01:00:55,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 01:00:55,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 01:00:55,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 01:00:55,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:00:55,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 01:00:55,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 01:00:55,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 01:00:55,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 01:00:55,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 01:00:55,636 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 01:00:55,636 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 01:00:55,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 01:00:55,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 01:00:56,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 01:00:56,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 01:00:56,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 01:00:56,064 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 01:00:56,064 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 01:00:56,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Fibonacci02.c [2022-01-10 01:00:56,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f259c3355/f75eeb9c1add452297b7e165808a1009/FLAGe34164b34 [2022-01-10 01:00:56,736 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 01:00:56,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Fibonacci02.c [2022-01-10 01:00:56,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f259c3355/f75eeb9c1add452297b7e165808a1009/FLAGe34164b34 [2022-01-10 01:00:57,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f259c3355/f75eeb9c1add452297b7e165808a1009 [2022-01-10 01:00:57,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 01:00:57,145 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 01:00:57,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 01:00:57,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 01:00:57,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 01:00:57,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:00:57" (1/1) ... [2022-01-10 01:00:57,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31da4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:00:57, skipping insertion in model container [2022-01-10 01:00:57,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:00:57" (1/1) ... [2022-01-10 01:00:57,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 01:00:57,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 01:00:57,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursive/Fibonacci02.c[715,728] [2022-01-10 01:00:57,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:00:57,334 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 01:00:57,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursive/Fibonacci02.c[715,728] [2022-01-10 01:00:57,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:00:57,354 INFO L208 MainTranslator]: Completed translation [2022-01-10 01:00:57,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:00:57 WrapperNode [2022-01-10 01:00:57,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 01:00:57,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 01:00:57,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 01:00:57,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 01:00:57,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:00:57" (1/1) ... [2022-01-10 01:00:57,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:00:57" (1/1) ... [2022-01-10 01:00:57,391 INFO L137 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-01-10 01:00:57,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 01:00:57,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 01:00:57,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 01:00:57,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 01:00:57,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:00:57" (1/1) ... [2022-01-10 01:00:57,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:00:57" (1/1) ... [2022-01-10 01:00:57,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:00:57" (1/1) ... [2022-01-10 01:00:57,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:00:57" (1/1) ... [2022-01-10 01:00:57,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:00:57" (1/1) ... [2022-01-10 01:00:57,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:00:57" (1/1) ... [2022-01-10 01:00:57,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:00:57" (1/1) ... [2022-01-10 01:00:57,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 01:00:57,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 01:00:57,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 01:00:57,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 01:00:57,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:00:57" (1/1) ... [2022-01-10 01:00:57,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:00:57,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:00:57,429 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) [2022-01-10 01:00:57,447 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 [2022-01-10 01:00:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2022-01-10 01:00:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2022-01-10 01:00:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 01:00:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 01:00:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 01:00:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-10 01:00:57,509 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 01:00:57,510 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 01:00:57,574 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 01:00:57,577 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 01:00:57,578 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-10 01:00:57,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:00:57 BoogieIcfgContainer [2022-01-10 01:00:57,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 01:00:57,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 01:00:57,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 01:00:57,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 01:00:57,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:00:57" (1/3) ... [2022-01-10 01:00:57,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb7bc4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:00:57, skipping insertion in model container [2022-01-10 01:00:57,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:00:57" (2/3) ... [2022-01-10 01:00:57,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb7bc4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:00:57, skipping insertion in model container [2022-01-10 01:00:57,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:00:57" (3/3) ... [2022-01-10 01:00:57,584 INFO L111 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2022-01-10 01:00:57,587 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 01:00:57,587 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 01:00:57,614 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 01:00:57,619 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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=FAST_UPR [2022-01-10 01:00:57,619 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 01:00:57,629 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-10 01:00:57,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-01-10 01:00:57,631 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:00:57,632 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:00:57,632 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:00:57,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:00:57,635 INFO L85 PathProgramCache]: Analyzing trace with hash 117289724, now seen corresponding path program 1 times [2022-01-10 01:00:57,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:00:57,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450059840] [2022-01-10 01:00:57,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:00:57,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:00:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:00:57,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-10 01:00:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:00:57,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:00:57,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:00:57,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450059840] [2022-01-10 01:00:57,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450059840] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:00:57,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:00:57,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 01:00:57,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105532886] [2022-01-10 01:00:57,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:00:57,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 01:00:57,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:00:57,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 01:00:57,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 01:00:57,780 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 01:00:57,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:00:57,822 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2022-01-10 01:00:57,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 01:00:57,824 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-01-10 01:00:57,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:00:57,829 INFO L225 Difference]: With dead ends: 28 [2022-01-10 01:00:57,829 INFO L226 Difference]: Without dead ends: 18 [2022-01-10 01:00:57,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 01:00:57,833 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 14 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 01:00:57,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 40 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 01:00:57,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-01-10 01:00:57,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-01-10 01:00:57,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-01-10 01:00:57,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2022-01-10 01:00:57,858 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 10 [2022-01-10 01:00:57,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:00:57,858 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2022-01-10 01:00:57,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 01:00:57,859 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-01-10 01:00:57,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 01:00:57,860 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:00:57,860 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:00:57,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 01:00:57,860 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:00:57,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:00:57,861 INFO L85 PathProgramCache]: Analyzing trace with hash 36927066, now seen corresponding path program 1 times [2022-01-10 01:00:57,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:00:57,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721509083] [2022-01-10 01:00:57,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:00:57,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:00:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:00:57,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-10 01:00:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:00:57,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:00:57,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:00:57,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721509083] [2022-01-10 01:00:57,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721509083] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:00:57,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:00:57,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 01:00:57,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258283967] [2022-01-10 01:00:57,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:00:57,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 01:00:57,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:00:57,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 01:00:57,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 01:00:57,946 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 01:00:57,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:00:57,993 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2022-01-10 01:00:57,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 01:00:57,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-01-10 01:00:57,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:00:57,994 INFO L225 Difference]: With dead ends: 24 [2022-01-10 01:00:57,994 INFO L226 Difference]: Without dead ends: 20 [2022-01-10 01:00:57,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 01:00:57,995 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 10 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 01:00:57,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 31 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 01:00:57,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-01-10 01:00:57,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2022-01-10 01:00:57,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-01-10 01:00:58,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2022-01-10 01:00:58,000 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 11 [2022-01-10 01:00:58,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:00:58,000 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2022-01-10 01:00:58,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 01:00:58,001 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-01-10 01:00:58,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-10 01:00:58,001 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:00:58,001 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:00:58,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 01:00:58,002 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:00:58,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:00:58,002 INFO L85 PathProgramCache]: Analyzing trace with hash 703243533, now seen corresponding path program 1 times [2022-01-10 01:00:58,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:00:58,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186269417] [2022-01-10 01:00:58,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:00:58,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:00:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:00:58,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-10 01:00:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:00:58,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:00:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:00:58,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-01-10 01:00:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:00:58,150 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-10 01:00:58,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:00:58,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186269417] [2022-01-10 01:00:58,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186269417] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 01:00:58,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202384325] [2022-01-10 01:00:58,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:00:58,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:00:58,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:00:58,163 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 01:00:58,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-10 01:00:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:00:58,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 01:00:58,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 01:00:58,372 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-10 01:00:58,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 01:00:58,671 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 01:00:58,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202384325] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 01:00:58,671 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 01:00:58,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 12 [2022-01-10 01:00:58,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596528950] [2022-01-10 01:00:58,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 01:00:58,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-10 01:00:58,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:00:58,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-10 01:00:58,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-01-10 01:00:58,673 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2022-01-10 01:00:58,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:00:58,794 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-01-10 01:00:58,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 01:00:58,794 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) Word has length 23 [2022-01-10 01:00:58,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:00:58,811 INFO L225 Difference]: With dead ends: 35 [2022-01-10 01:00:58,811 INFO L226 Difference]: Without dead ends: 20 [2022-01-10 01:00:58,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2022-01-10 01:00:58,818 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 28 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 01:00:58,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 64 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 01:00:58,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-01-10 01:00:58,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-01-10 01:00:58,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-10 01:00:58,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2022-01-10 01:00:58,827 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 23 [2022-01-10 01:00:58,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:00:58,827 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-01-10 01:00:58,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2022-01-10 01:00:58,828 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-01-10 01:00:58,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-01-10 01:00:58,828 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:00:58,828 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:00:58,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-01-10 01:00:59,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:00:59,047 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:00:59,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:00:59,048 INFO L85 PathProgramCache]: Analyzing trace with hash 187716987, now seen corresponding path program 1 times [2022-01-10 01:00:59,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:00:59,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768066960] [2022-01-10 01:00:59,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:00:59,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:00:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:00:59,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-10 01:00:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:00:59,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:00:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:00:59,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:00:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:00:59,212 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-10 01:00:59,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:00:59,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768066960] [2022-01-10 01:00:59,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768066960] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 01:00:59,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316489312] [2022-01-10 01:00:59,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:00:59,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:00:59,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:00:59,215 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 01:00:59,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-10 01:00:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:00:59,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 01:00:59,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 01:00:59,342 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-10 01:00:59,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 01:00:59,517 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 01:00:59,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316489312] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 01:00:59,517 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 01:00:59,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 11 [2022-01-10 01:00:59,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101300221] [2022-01-10 01:00:59,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 01:00:59,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-10 01:00:59,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:00:59,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-10 01:00:59,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-01-10 01:00:59,519 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-10 01:00:59,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:00:59,633 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2022-01-10 01:00:59,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 01:00:59,634 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) Word has length 24 [2022-01-10 01:00:59,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:00:59,638 INFO L225 Difference]: With dead ends: 38 [2022-01-10 01:00:59,638 INFO L226 Difference]: Without dead ends: 34 [2022-01-10 01:00:59,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-01-10 01:00:59,640 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 26 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 01:00:59,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 58 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 01:00:59,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-01-10 01:00:59,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-01-10 01:00:59,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 24 states have internal predecessors, (26), 6 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-01-10 01:00:59,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2022-01-10 01:00:59,670 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 24 [2022-01-10 01:00:59,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:00:59,671 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2022-01-10 01:00:59,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-10 01:00:59,671 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2022-01-10 01:00:59,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-10 01:00:59,673 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:00:59,673 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:00:59,710 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-10 01:00:59,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-01-10 01:00:59,889 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:00:59,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:00:59,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1151618030, now seen corresponding path program 2 times [2022-01-10 01:00:59,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:00:59,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605953747] [2022-01-10 01:00:59,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:00:59,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:00:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:00:59,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-10 01:00:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:00:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:00:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:00,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:00,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:00,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:00,078 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-01-10 01:01:00,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:01:00,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605953747] [2022-01-10 01:01:00,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605953747] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 01:01:00,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623304919] [2022-01-10 01:01:00,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-10 01:01:00,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:01:00,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:01:00,086 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 01:01:00,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-10 01:01:00,127 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-10 01:01:00,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 01:01:00,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 01:01:00,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 01:01:00,322 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-01-10 01:01:00,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 01:01:00,740 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-10 01:01:00,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623304919] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 01:01:00,741 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 01:01:00,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 9] total 17 [2022-01-10 01:01:00,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743677855] [2022-01-10 01:01:00,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 01:01:00,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-10 01:01:00,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:01:00,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-10 01:01:00,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2022-01-10 01:01:00,744 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) [2022-01-10 01:01:00,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:01:00,958 INFO L93 Difference]: Finished difference Result 69 states and 106 transitions. [2022-01-10 01:01:00,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-10 01:01:00,958 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) Word has length 37 [2022-01-10 01:01:00,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:01:00,959 INFO L225 Difference]: With dead ends: 69 [2022-01-10 01:01:00,960 INFO L226 Difference]: Without dead ends: 38 [2022-01-10 01:01:00,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2022-01-10 01:01:00,962 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 50 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 01:01:00,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 93 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 01:01:00,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-01-10 01:01:00,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-01-10 01:01:00,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 5 states have return successors, (11), 7 states have call predecessors, (11), 5 states have call successors, (11) [2022-01-10 01:01:00,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2022-01-10 01:01:00,971 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 37 [2022-01-10 01:01:00,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:01:00,972 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2022-01-10 01:01:00,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) [2022-01-10 01:01:00,972 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-01-10 01:01:00,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-01-10 01:01:00,979 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:01:00,979 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:01:01,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-10 01:01:01,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:01:01,194 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:01:01,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:01:01,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1916996739, now seen corresponding path program 3 times [2022-01-10 01:01:01,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:01:01,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104379716] [2022-01-10 01:01:01,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:01:01,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:01:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:01,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-10 01:01:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:01,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:01,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:01,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:01,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:01,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:01,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:01,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:01,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:01,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:01,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:01,563 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 22 proven. 127 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-01-10 01:01:01,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:01:01,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104379716] [2022-01-10 01:01:01,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104379716] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 01:01:01,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821073777] [2022-01-10 01:01:01,564 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-10 01:01:01,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:01:01,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:01:01,576 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 01:01:01,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-10 01:01:01,639 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-01-10 01:01:01,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 01:01:01,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 01:01:01,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 01:01:01,804 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 32 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2022-01-10 01:01:01,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 01:01:02,294 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 41 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-01-10 01:01:02,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821073777] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 01:01:02,294 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 01:01:02,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 9] total 17 [2022-01-10 01:01:02,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663818407] [2022-01-10 01:01:02,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 01:01:02,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-10 01:01:02,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:01:02,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-10 01:01:02,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2022-01-10 01:01:02,296 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 10 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (18), 12 states have call predecessors, (18), 10 states have call successors, (18) [2022-01-10 01:01:02,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:01:02,430 INFO L93 Difference]: Finished difference Result 94 states and 140 transitions. [2022-01-10 01:01:02,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-10 01:01:02,431 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 10 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (18), 12 states have call predecessors, (18), 10 states have call successors, (18) Word has length 79 [2022-01-10 01:01:02,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:01:02,433 INFO L225 Difference]: With dead ends: 94 [2022-01-10 01:01:02,433 INFO L226 Difference]: Without dead ends: 90 [2022-01-10 01:01:02,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2022-01-10 01:01:02,434 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 94 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 01:01:02,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 66 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 01:01:02,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-01-10 01:01:02,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 84. [2022-01-10 01:01:02,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 56 states have (on average 1.1607142857142858) internal successors, (65), 55 states have internal predecessors, (65), 16 states have call successors, (16), 7 states have call predecessors, (16), 11 states have return successors, (43), 21 states have call predecessors, (43), 16 states have call successors, (43) [2022-01-10 01:01:02,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 124 transitions. [2022-01-10 01:01:02,443 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 124 transitions. Word has length 79 [2022-01-10 01:01:02,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:01:02,444 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 124 transitions. [2022-01-10 01:01:02,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 10 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (18), 12 states have call predecessors, (18), 10 states have call successors, (18) [2022-01-10 01:01:02,444 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 124 transitions. [2022-01-10 01:01:02,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-01-10 01:01:02,446 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:01:02,446 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:01:02,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-01-10 01:01:02,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:01:02,659 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:01:02,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:01:02,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1766942948, now seen corresponding path program 4 times [2022-01-10 01:01:02,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:01:02,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707842784] [2022-01-10 01:01:02,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:01:02,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:01:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:02,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-10 01:01:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:02,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:02,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:02,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:02,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:02,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:02,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:02,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:02,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:03,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:03,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:03,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:03,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:03,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:03,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:03,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:03,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-01-10 01:01:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:03,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:03,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:03,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:03,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:03,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:03,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:03,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:03,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:03,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 533 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2022-01-10 01:01:03,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:01:03,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707842784] [2022-01-10 01:01:03,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707842784] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 01:01:03,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463936427] [2022-01-10 01:01:03,104 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-10 01:01:03,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:01:03,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:01:03,116 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 01:01:03,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-10 01:01:03,200 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-10 01:01:03,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 01:01:03,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 14 conjunts are in the unsatisfiable core [2022-01-10 01:01:03,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 01:01:03,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 533 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2022-01-10 01:01:03,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 01:01:04,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 573 refuted. 0 times theorem prover too weak. 988 trivial. 0 not checked. [2022-01-10 01:01:04,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463936427] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 01:01:04,746 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 01:01:04,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 15] total 23 [2022-01-10 01:01:04,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83314287] [2022-01-10 01:01:04,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 01:01:04,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-01-10 01:01:04,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:01:04,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-01-10 01:01:04,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2022-01-10 01:01:04,748 INFO L87 Difference]: Start difference. First operand 84 states and 124 transitions. Second operand has 23 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 23 states have internal predecessors, (61), 20 states have call successors, (21), 1 states have call predecessors, (21), 7 states have return successors, (29), 12 states have call predecessors, (29), 20 states have call successors, (29) [2022-01-10 01:01:04,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:01:04,900 INFO L93 Difference]: Finished difference Result 208 states and 347 transitions. [2022-01-10 01:01:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-10 01:01:04,900 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 23 states have internal predecessors, (61), 20 states have call successors, (21), 1 states have call predecessors, (21), 7 states have return successors, (29), 12 states have call predecessors, (29), 20 states have call successors, (29) Word has length 174 [2022-01-10 01:01:04,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:01:04,903 INFO L225 Difference]: With dead ends: 208 [2022-01-10 01:01:04,903 INFO L226 Difference]: Without dead ends: 204 [2022-01-10 01:01:04,904 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=179, Invalid=373, Unknown=0, NotChecked=0, Total=552 [2022-01-10 01:01:04,904 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 107 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 01:01:04,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 84 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 01:01:04,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-01-10 01:01:04,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 192. [2022-01-10 01:01:04,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 124 states have (on average 1.185483870967742) internal successors, (147), 123 states have internal predecessors, (147), 42 states have call successors, (42), 14 states have call predecessors, (42), 25 states have return successors, (137), 54 states have call predecessors, (137), 42 states have call successors, (137) [2022-01-10 01:01:04,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 326 transitions. [2022-01-10 01:01:04,922 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 326 transitions. Word has length 174 [2022-01-10 01:01:04,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:01:04,922 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 326 transitions. [2022-01-10 01:01:04,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 23 states have internal predecessors, (61), 20 states have call successors, (21), 1 states have call predecessors, (21), 7 states have return successors, (29), 12 states have call predecessors, (29), 20 states have call successors, (29) [2022-01-10 01:01:04,923 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 326 transitions. [2022-01-10 01:01:04,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-01-10 01:01:04,925 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:01:04,925 INFO L514 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:01:04,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-01-10 01:01:05,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:01:05,144 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:01:05,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:01:05,145 INFO L85 PathProgramCache]: Analyzing trace with hash -778425254, now seen corresponding path program 5 times [2022-01-10 01:01:05,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:01:05,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090691687] [2022-01-10 01:01:05,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:01:05,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:01:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-10 01:01:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-01-10 01:01:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-01-10 01:01:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:05,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 189 proven. 1130 refuted. 0 times theorem prover too weak. 3249 trivial. 0 not checked. [2022-01-10 01:01:05,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:01:05,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090691687] [2022-01-10 01:01:05,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090691687] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 01:01:05,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526229134] [2022-01-10 01:01:05,565 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-10 01:01:05,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:01:05,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:01:05,566 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 01:01:05,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-10 01:01:05,684 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 41 check-sat command(s) [2022-01-10 01:01:05,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 01:01:05,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 14 conjunts are in the unsatisfiable core [2022-01-10 01:01:05,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 01:01:06,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 801 proven. 327 refuted. 0 times theorem prover too weak. 3440 trivial. 0 not checked. [2022-01-10 01:01:06,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 01:01:07,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 807 proven. 358 refuted. 0 times theorem prover too weak. 3403 trivial. 0 not checked. [2022-01-10 01:01:07,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526229134] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 01:01:07,559 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 01:01:07,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 15] total 26 [2022-01-10 01:01:07,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484748705] [2022-01-10 01:01:07,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 01:01:07,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-10 01:01:07,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:01:07,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-10 01:01:07,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=448, Unknown=0, NotChecked=0, Total=650 [2022-01-10 01:01:07,566 INFO L87 Difference]: Start difference. First operand 192 states and 326 transitions. Second operand has 26 states, 24 states have (on average 2.7083333333333335) internal successors, (65), 26 states have internal predecessors, (65), 19 states have call successors, (23), 1 states have call predecessors, (23), 9 states have return successors, (32), 17 states have call predecessors, (32), 19 states have call successors, (32) [2022-01-10 01:01:07,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:01:07,816 INFO L93 Difference]: Finished difference Result 298 states and 575 transitions. [2022-01-10 01:01:07,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-10 01:01:07,816 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 2.7083333333333335) internal successors, (65), 26 states have internal predecessors, (65), 19 states have call successors, (23), 1 states have call predecessors, (23), 9 states have return successors, (32), 17 states have call predecessors, (32), 19 states have call successors, (32) Word has length 283 [2022-01-10 01:01:07,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:01:07,818 INFO L225 Difference]: With dead ends: 298 [2022-01-10 01:01:07,818 INFO L226 Difference]: Without dead ends: 103 [2022-01-10 01:01:07,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 664 GetRequests, 632 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=250, Invalid=506, Unknown=0, NotChecked=0, Total=756 [2022-01-10 01:01:07,821 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 128 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 01:01:07,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 106 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 01:01:07,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-01-10 01:01:07,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 74. [2022-01-10 01:01:07,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 50 states have internal predecessors, (62), 13 states have call successors, (13), 8 states have call predecessors, (13), 9 states have return successors, (43), 15 states have call predecessors, (43), 13 states have call successors, (43) [2022-01-10 01:01:07,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 118 transitions. [2022-01-10 01:01:07,828 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 118 transitions. Word has length 283 [2022-01-10 01:01:07,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:01:07,828 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 118 transitions. [2022-01-10 01:01:07,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 2.7083333333333335) internal successors, (65), 26 states have internal predecessors, (65), 19 states have call successors, (23), 1 states have call predecessors, (23), 9 states have return successors, (32), 17 states have call predecessors, (32), 19 states have call successors, (32) [2022-01-10 01:01:07,829 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 118 transitions. [2022-01-10 01:01:07,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2022-01-10 01:01:07,834 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:01:07,834 INFO L514 BasicCegarLoop]: trace histogram [77, 77, 62, 38, 38, 38, 38, 38, 38, 38, 24, 15, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:01:07,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-10 01:01:08,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:01:08,051 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:01:08,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:01:08,051 INFO L85 PathProgramCache]: Analyzing trace with hash -4939658, now seen corresponding path program 6 times [2022-01-10 01:01:08,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:01:08,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27496226] [2022-01-10 01:01:08,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:01:08,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:01:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-10 01:01:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-01-10 01:01:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-01-10 01:01:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-01-10 01:01:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:08,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-01-10 01:01:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-01-10 01:01:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:09,164 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 2818 proven. 2810 refuted. 0 times theorem prover too weak. 10779 trivial. 0 not checked. [2022-01-10 01:01:09,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:01:09,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27496226] [2022-01-10 01:01:09,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27496226] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 01:01:09,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677563603] [2022-01-10 01:01:09,164 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-10 01:01:09,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:01:09,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:01:09,166 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 01:01:09,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-10 01:01:09,372 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2022-01-10 01:01:09,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 01:01:09,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 16 conjunts are in the unsatisfiable core [2022-01-10 01:01:09,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 01:01:10,178 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 533 proven. 2177 refuted. 0 times theorem prover too weak. 13697 trivial. 0 not checked. [2022-01-10 01:01:10,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 01:01:11,975 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 537 proven. 2230 refuted. 0 times theorem prover too weak. 13640 trivial. 0 not checked. [2022-01-10 01:01:11,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677563603] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 01:01:11,975 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 01:01:11,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 11, 17] total 36 [2022-01-10 01:01:11,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059712641] [2022-01-10 01:01:11,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 01:01:11,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-01-10 01:01:11,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:01:11,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-01-10 01:01:11,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=953, Unknown=0, NotChecked=0, Total=1260 [2022-01-10 01:01:11,977 INFO L87 Difference]: Start difference. First operand 74 states and 118 transitions. Second operand has 36 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 36 states have internal predecessors, (88), 26 states have call successors, (31), 1 states have call predecessors, (31), 14 states have return successors, (47), 27 states have call predecessors, (47), 26 states have call successors, (47) [2022-01-10 01:01:12,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:01:12,369 INFO L93 Difference]: Finished difference Result 187 states and 406 transitions. [2022-01-10 01:01:12,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-10 01:01:12,370 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 36 states have internal predecessors, (88), 26 states have call successors, (31), 1 states have call predecessors, (31), 14 states have return successors, (47), 27 states have call predecessors, (47), 26 states have call successors, (47) Word has length 528 [2022-01-10 01:01:12,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:01:12,372 INFO L225 Difference]: With dead ends: 187 [2022-01-10 01:01:12,372 INFO L226 Difference]: Without dead ends: 119 [2022-01-10 01:01:12,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1266 GetRequests, 1207 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1009 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=831, Invalid=2591, Unknown=0, NotChecked=0, Total=3422 [2022-01-10 01:01:12,374 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 206 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 01:01:12,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 224 Invalid, 1018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 01:01:12,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-01-10 01:01:12,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 112. [2022-01-10 01:01:12,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 79 states have (on average 1.0886075949367089) internal successors, (86), 77 states have internal predecessors, (86), 22 states have call successors, (22), 16 states have call predecessors, (22), 10 states have return successors, (52), 18 states have call predecessors, (52), 22 states have call successors, (52) [2022-01-10 01:01:12,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 160 transitions. [2022-01-10 01:01:12,386 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 160 transitions. Word has length 528 [2022-01-10 01:01:12,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:01:12,391 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 160 transitions. [2022-01-10 01:01:12,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 36 states have internal predecessors, (88), 26 states have call successors, (31), 1 states have call predecessors, (31), 14 states have return successors, (47), 27 states have call predecessors, (47), 26 states have call successors, (47) [2022-01-10 01:01:12,392 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 160 transitions. [2022-01-10 01:01:12,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2022-01-10 01:01:12,421 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:01:12,422 INFO L514 BasicCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 42, 26, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:01:12,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-10 01:01:12,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:01:12,651 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:01:12,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:01:12,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1077246303, now seen corresponding path program 7 times [2022-01-10 01:01:12,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:01:12,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065594472] [2022-01-10 01:01:12,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:01:12,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:01:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-10 01:01:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-01-10 01:01:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-01-10 01:01:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-01-10 01:01:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-01-10 01:01:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:13,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-01-10 01:01:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-01-10 01:01:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-01-10 01:01:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-01-10 01:01:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-01-10 01:01:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,465 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3273 proven. 6787 refuted. 0 times theorem prover too weak. 40850 trivial. 0 not checked. [2022-01-10 01:01:14,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:01:14,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065594472] [2022-01-10 01:01:14,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065594472] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 01:01:14,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598766548] [2022-01-10 01:01:14,465 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-10 01:01:14,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:01:14,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:01:14,466 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 01:01:14,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-10 01:01:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:14,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 2072 conjuncts, 20 conjunts are in the unsatisfiable core [2022-01-10 01:01:14,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 01:01:15,947 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3844 proven. 2510 refuted. 0 times theorem prover too weak. 44556 trivial. 0 not checked. [2022-01-10 01:01:15,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 01:01:19,826 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3844 proven. 2602 refuted. 0 times theorem prover too weak. 44464 trivial. 0 not checked. [2022-01-10 01:01:19,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598766548] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 01:01:19,827 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 01:01:19,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 13, 21] total 45 [2022-01-10 01:01:19,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340982883] [2022-01-10 01:01:19,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 01:01:19,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-01-10 01:01:19,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:01:19,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-01-10 01:01:19,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=459, Invalid=1521, Unknown=0, NotChecked=0, Total=1980 [2022-01-10 01:01:19,829 INFO L87 Difference]: Start difference. First operand 112 states and 160 transitions. Second operand has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (37), 1 states have call predecessors, (37), 19 states have return successors, (57), 33 states have call predecessors, (57), 32 states have call successors, (57) [2022-01-10 01:01:20,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:01:20,779 INFO L93 Difference]: Finished difference Result 289 states and 614 transitions. [2022-01-10 01:01:20,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-10 01:01:20,780 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (37), 1 states have call predecessors, (37), 19 states have return successors, (57), 33 states have call predecessors, (57), 32 states have call successors, (57) Word has length 923 [2022-01-10 01:01:20,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:01:20,782 INFO L225 Difference]: With dead ends: 289 [2022-01-10 01:01:20,782 INFO L226 Difference]: Without dead ends: 160 [2022-01-10 01:01:20,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2177 GetRequests, 2101 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1744 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1246, Invalid=4454, Unknown=0, NotChecked=0, Total=5700 [2022-01-10 01:01:20,785 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 346 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 505 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 01:01:20,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [351 Valid, 272 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [505 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 01:01:20,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-01-10 01:01:20,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 136. [2022-01-10 01:01:20,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 97 states have (on average 1.0206185567010309) internal successors, (99), 95 states have internal predecessors, (99), 28 states have call successors, (28), 22 states have call predecessors, (28), 10 states have return successors, (53), 18 states have call predecessors, (53), 28 states have call successors, (53) [2022-01-10 01:01:20,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 180 transitions. [2022-01-10 01:01:20,796 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 180 transitions. Word has length 923 [2022-01-10 01:01:20,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:01:20,797 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 180 transitions. [2022-01-10 01:01:20,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (37), 1 states have call predecessors, (37), 19 states have return successors, (57), 33 states have call predecessors, (57), 32 states have call successors, (57) [2022-01-10 01:01:20,798 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 180 transitions. [2022-01-10 01:01:20,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2022-01-10 01:01:20,801 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:01:20,802 INFO L514 BasicCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:01:20,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-10 01:01:21,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-01-10 01:01:21,020 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:01:21,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:01:21,021 INFO L85 PathProgramCache]: Analyzing trace with hash 597528604, now seen corresponding path program 8 times [2022-01-10 01:01:21,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:01:21,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012356780] [2022-01-10 01:01:21,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:01:21,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:01:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:21,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-10 01:01:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:21,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:21,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:21,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:21,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:21,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:21,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-01-10 01:01:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-01-10 01:01:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-01-10 01:01:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-01-10 01:01:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-01-10 01:01:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:22,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-01-10 01:01:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-01-10 01:01:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:23,313 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2022-01-10 01:01:23,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:01:23,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012356780] [2022-01-10 01:01:23,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012356780] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 01:01:23,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297483874] [2022-01-10 01:01:23,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-10 01:01:23,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:01:23,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:01:23,315 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 01:01:23,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-01-10 01:01:23,598 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-10 01:01:23,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 01:01:23,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 1679 conjuncts, 439 conjunts are in the unsatisfiable core [2022-01-10 01:01:23,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 01:01:27,061 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2022-01-10 01:01:27,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 01:01:34,280 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2022-01-10 01:01:34,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297483874] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 01:01:34,280 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 01:01:34,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 36 [2022-01-10 01:01:34,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397029564] [2022-01-10 01:01:34,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 01:01:34,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-01-10 01:01:34,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:01:34,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-01-10 01:01:34,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2022-01-10 01:01:34,282 INFO L87 Difference]: Start difference. First operand 136 states and 180 transitions. Second operand has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (24), 24 states have call predecessors, (24), 8 states have call successors, (24) [2022-01-10 01:01:34,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:01:34,589 INFO L93 Difference]: Finished difference Result 149 states and 201 transitions. [2022-01-10 01:01:34,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-10 01:01:34,589 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (24), 24 states have call predecessors, (24), 8 states have call successors, (24) Word has length 746 [2022-01-10 01:01:34,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:01:34,591 INFO L225 Difference]: With dead ends: 149 [2022-01-10 01:01:34,591 INFO L226 Difference]: Without dead ends: 145 [2022-01-10 01:01:34,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1929 GetRequests, 1837 SyntacticMatches, 58 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2022-01-10 01:01:34,592 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 01:01:34,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 1024 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 01:01:34,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-01-10 01:01:34,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 144. [2022-01-10 01:01:34,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 102 states have (on average 1.0196078431372548) internal successors, (104), 100 states have internal predecessors, (104), 29 states have call successors, (29), 22 states have call predecessors, (29), 12 states have return successors, (60), 21 states have call predecessors, (60), 29 states have call successors, (60) [2022-01-10 01:01:34,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 193 transitions. [2022-01-10 01:01:34,606 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 193 transitions. Word has length 746 [2022-01-10 01:01:34,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:01:34,606 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 193 transitions. [2022-01-10 01:01:34,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (24), 24 states have call predecessors, (24), 8 states have call successors, (24) [2022-01-10 01:01:34,606 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 193 transitions. [2022-01-10 01:01:34,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2022-01-10 01:01:34,611 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:01:34,631 INFO L514 BasicCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 42, 26, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:01:34,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-01-10 01:01:34,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:01:34,832 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:01:34,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:01:34,832 INFO L85 PathProgramCache]: Analyzing trace with hash -151858645, now seen corresponding path program 9 times [2022-01-10 01:01:34,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:01:34,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135266669] [2022-01-10 01:01:34,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:01:34,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:01:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-10 01:01:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-01-10 01:01:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-01-10 01:01:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:35,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-01-10 01:01:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-01-10 01:01:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-01-10 01:01:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-01-10 01:01:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2022-01-10 01:01:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-01-10 01:01:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-01-10 01:01:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:01:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-01-10 01:01:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:01:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-10 01:01:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:01:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:01:36,422 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3313 proven. 5871 refuted. 0 times theorem prover too weak. 41726 trivial. 0 not checked. [2022-01-10 01:01:36,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:01:36,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135266669] [2022-01-10 01:01:36,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135266669] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 01:01:36,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767808993] [2022-01-10 01:01:36,422 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-10 01:01:36,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:01:36,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:01:36,423 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 01:01:36,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-01-10 01:01:36,663 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 36 check-sat command(s) [2022-01-10 01:01:36,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 01:01:36,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 21 conjunts are in the unsatisfiable core [2022-01-10 01:01:36,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 01:01:37,546 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1209 proven. 5377 refuted. 0 times theorem prover too weak. 44324 trivial. 0 not checked. [2022-01-10 01:01:37,546 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 01:01:41,334 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1201 proven. 5477 refuted. 0 times theorem prover too weak. 44232 trivial. 0 not checked. [2022-01-10 01:01:41,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767808993] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 01:01:41,335 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 01:01:41,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 14, 22] total 43 [2022-01-10 01:01:41,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4305148] [2022-01-10 01:01:41,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 01:01:41,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-01-10 01:01:41,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:01:41,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-01-10 01:01:41,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=415, Invalid=1391, Unknown=0, NotChecked=0, Total=1806 [2022-01-10 01:01:41,337 INFO L87 Difference]: Start difference. First operand 144 states and 193 transitions. Second operand has 43 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 43 states have internal predecessors, (104), 33 states have call successors, (37), 1 states have call predecessors, (37), 17 states have return successors, (56), 28 states have call predecessors, (56), 33 states have call successors, (56) [2022-01-10 01:01:41,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:01:41,757 INFO L93 Difference]: Finished difference Result 287 states and 400 transitions. [2022-01-10 01:01:41,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-10 01:01:41,758 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 43 states have internal predecessors, (104), 33 states have call successors, (37), 1 states have call predecessors, (37), 17 states have return successors, (56), 28 states have call predecessors, (56), 33 states have call successors, (56) Word has length 923 [2022-01-10 01:01:41,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:01:41,759 INFO L225 Difference]: With dead ends: 287 [2022-01-10 01:01:41,759 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 01:01:41,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2157 GetRequests, 2092 SyntacticMatches, 10 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=757, Invalid=2435, Unknown=0, NotChecked=0, Total=3192 [2022-01-10 01:01:41,761 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 244 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 308 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 308 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 01:01:41,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 223 Invalid, 928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [308 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 01:01:41,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 01:01:41,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 01:01:41,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:01:41,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 01:01:41,762 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 923 [2022-01-10 01:01:41,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:01:41,762 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 01:01:41,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 43 states have internal predecessors, (104), 33 states have call successors, (37), 1 states have call predecessors, (37), 17 states have return successors, (56), 28 states have call predecessors, (56), 33 states have call successors, (56) [2022-01-10 01:01:41,762 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 01:01:41,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 01:01:41,764 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 01:01:41,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-01-10 01:01:41,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-01-10 01:01:41,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 01:01:42,709 INFO L858 garLoopResultBuilder]: For program point fibonacciFINAL(lines 16 24) no Hoare annotation was computed. [2022-01-10 01:01:42,710 INFO L861 garLoopResultBuilder]: At program point fibonacciENTRY(lines 16 24) the Hoare annotation is: true [2022-01-10 01:01:42,710 INFO L854 garLoopResultBuilder]: At program point L22(line 22) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (not (<= |fibonacci_#in~n| 1))) [2022-01-10 01:01:42,710 INFO L858 garLoopResultBuilder]: For program point L22-1(line 22) no Hoare annotation was computed. [2022-01-10 01:01:42,710 INFO L854 garLoopResultBuilder]: At program point L22-2(line 22) the Hoare annotation is: (and (let ((.cse0 (<= 1 |fibonacci_#t~ret4|)) (.cse1 (<= |fibonacci_#t~ret4| 1))) (or (and (<= 5 |fibonacci_#t~ret4|) (<= 6 fibonacci_~n) (<= |fibonacci_#t~ret4| 5) (<= fibonacci_~n 6)) (and (<= fibonacci_~n 4) (<= 2 |fibonacci_#t~ret4|) (<= |fibonacci_#t~ret4| 2) (<= 4 |fibonacci_#in~n|)) (and (<= 8 fibonacci_~n) (<= |fibonacci_#t~ret4| 13) (<= |fibonacci_#in~n| 8) (<= 13 |fibonacci_#t~ret4|)) (and (<= 7 fibonacci_~n) (<= 8 |fibonacci_#t~ret4|) (<= fibonacci_~n 7) (<= |fibonacci_#t~ret4| 8)) (and (not (<= fibonacci_~n 1)) .cse0 (<= |fibonacci_#in~n| 2) .cse1) (and .cse0 (<= 3 fibonacci_~n) .cse1 (<= |fibonacci_#in~n| 3)) (and (<= 3 |fibonacci_#t~ret4|) (<= |fibonacci_#t~ret4| 3) (<= 5 fibonacci_~n) (<= |fibonacci_#in~n| 5)) (and (<= 21 |fibonacci_#t~ret4|) (<= |fibonacci_#t~ret4| 21) (<= 9 |fibonacci_#in~n|)) (<= 10 |fibonacci_#in~n|))) (= fibonacci_~n |fibonacci_#in~n|)) [2022-01-10 01:01:42,710 INFO L858 garLoopResultBuilder]: For program point L19(lines 19 23) no Hoare annotation was computed. [2022-01-10 01:01:42,710 INFO L858 garLoopResultBuilder]: For program point L22-3(line 22) no Hoare annotation was computed. [2022-01-10 01:01:42,710 INFO L858 garLoopResultBuilder]: For program point fibonacciEXIT(lines 16 24) no Hoare annotation was computed. [2022-01-10 01:01:42,710 INFO L858 garLoopResultBuilder]: For program point L17(lines 17 23) no Hoare annotation was computed. [2022-01-10 01:01:42,710 INFO L858 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-01-10 01:01:42,710 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 01:01:42,710 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 01:01:42,710 INFO L858 garLoopResultBuilder]: For program point L30(lines 30 34) no Hoare annotation was computed. [2022-01-10 01:01:42,710 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 01:01:42,711 INFO L854 garLoopResultBuilder]: At program point L29(line 29) the Hoare annotation is: (and (<= 9 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 9)) [2022-01-10 01:01:42,711 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 01:01:42,711 INFO L858 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed. [2022-01-10 01:01:42,711 INFO L854 garLoopResultBuilder]: At program point L27(lines 27 35) the Hoare annotation is: (<= 9 |ULTIMATE.start_main_~x~0#1|) [2022-01-10 01:01:42,711 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2022-01-10 01:01:42,713 INFO L732 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1] [2022-01-10 01:01:42,714 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 01:01:42,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 01:01:42 BoogieIcfgContainer [2022-01-10 01:01:42,721 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 01:01:42,721 INFO L158 Benchmark]: Toolchain (without parser) took 45576.80ms. Allocated memory was 176.2MB in the beginning and 656.4MB in the end (delta: 480.2MB). Free memory was 121.7MB in the beginning and 470.2MB in the end (delta: -348.5MB). Peak memory consumption was 132.2MB. Max. memory is 8.0GB. [2022-01-10 01:01:42,722 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 176.2MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 01:01:42,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.17ms. Allocated memory is still 176.2MB. Free memory was 121.5MB in the beginning and 149.8MB in the end (delta: -28.2MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-01-10 01:01:42,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.86ms. Allocated memory is still 176.2MB. Free memory was 149.8MB in the beginning and 148.6MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 01:01:42,722 INFO L158 Benchmark]: Boogie Preprocessor took 15.02ms. Allocated memory is still 176.2MB. Free memory was 148.6MB in the beginning and 147.6MB in the end (delta: 932.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 01:01:42,722 INFO L158 Benchmark]: RCFGBuilder took 170.60ms. Allocated memory is still 176.2MB. Free memory was 147.6MB in the beginning and 139.0MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-10 01:01:42,722 INFO L158 Benchmark]: TraceAbstraction took 45141.17ms. Allocated memory was 176.2MB in the beginning and 656.4MB in the end (delta: 480.2MB). Free memory was 138.2MB in the beginning and 470.2MB in the end (delta: -332.0MB). Peak memory consumption was 148.9MB. Max. memory is 8.0GB. [2022-01-10 01:01:42,727 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 176.2MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 208.17ms. Allocated memory is still 176.2MB. Free memory was 121.5MB in the beginning and 149.8MB in the end (delta: -28.2MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.86ms. Allocated memory is still 176.2MB. Free memory was 149.8MB in the beginning and 148.6MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.02ms. Allocated memory is still 176.2MB. Free memory was 148.6MB in the beginning and 147.6MB in the end (delta: 932.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 170.60ms. Allocated memory is still 176.2MB. Free memory was 147.6MB in the beginning and 139.0MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 45141.17ms. Allocated memory was 176.2MB in the beginning and 656.4MB in the end (delta: 480.2MB). Free memory was 138.2MB in the beginning and 470.2MB in the end (delta: -332.0MB). Peak memory consumption was 148.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 33]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 45.1s, OverallIterations: 12, TraceHistogramMax: 135, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.1s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1346 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1253 mSDsluCounter, 2285 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1990 mSDsCounter, 1760 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3835 IncrementalHoareTripleChecker+Invalid, 5595 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1760 mSolverCounterUnsat, 295 mSDtfsCounter, 3835 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9030 GetRequests, 8611 SyntacticMatches, 81 SemanticMatches, 338 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5189 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=7, InterpolantAutomatonStates: 234, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 81 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 440 PreInvPairs, 649 NumberOfFragments, 129 HoareAnnotationTreeSize, 440 FomulaSimplifications, 1754 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 5 FomulaSimplificationsInter, 3710 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 36.5s InterpolantComputationTime, 7501 NumberOfCodeBlocks, 6503 NumberOfCodeBlocksAsserted, 131 NumberOfCheckSat, 11209 ConstructedInterpolants, 0 QuantifiedInterpolants, 22254 SizeOfPredicates, 48 NumberOfNonLiveVariables, 6271 ConjunctsInSsa, 552 ConjunctsInUnsatCore, 32 InterpolantComputations, 2 PerfectInterpolantSequences, 401455/473739 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 9 <= x RESULT: Ultimate proved your program to be correct! [2022-01-10 01:01:42,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...