/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 21:05:59,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 21:05:59,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 21:06:00,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-31 21:06:00,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 21:06:00,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 21:06:00,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 21:06:00,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 21:06:00,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 21:06:00,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 21:06:00,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 21:06:00,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 21:06:00,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 21:06:00,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 21:06:00,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 21:06:00,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 21:06:00,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 21:06:00,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 21:06:00,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 21:06:00,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 21:06:00,073 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-01-31 21:06:00,083 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 21:06:00,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 21:06:00,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 21:06:00,085 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 21:06:00,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 21:06:00,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 21:06:00,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 21:06:00,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 21:06:00,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 21:06:00,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 21:06:00,087 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 21:06:00,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 21:06:00,087 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 21:06:00,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 21:06:00,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 21:06:00,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 21:06:00,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 21:06:00,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 21:06:00,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 21:06:00,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 21:06:00,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 21:06:00,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 21:06:00,088 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 21:06:00,088 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 21:06:00,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 21:06:00,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 21:06:00,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 21:06:00,261 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 21:06:00,262 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 21:06:00,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2022-01-31 21:06:00,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3af851368/6c73321764d444d4a975598c36330f00/FLAGc50055549 [2022-01-31 21:06:00,682 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 21:06:00,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2022-01-31 21:06:00,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3af851368/6c73321764d444d4a975598c36330f00/FLAGc50055549 [2022-01-31 21:06:00,705 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3af851368/6c73321764d444d4a975598c36330f00 [2022-01-31 21:06:00,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 21:06:00,711 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 21:06:00,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 21:06:00,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 21:06:00,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 21:06:00,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:06:00" (1/1) ... [2022-01-31 21:06:00,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75c3b451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:06:00, skipping insertion in model container [2022-01-31 21:06:00,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:06:00" (1/1) ... [2022-01-31 21:06:00,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 21:06:00,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 21:06:00,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c[15516,15529] [2022-01-31 21:06:00,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 21:06:00,968 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 21:06:01,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c[15516,15529] [2022-01-31 21:06:01,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 21:06:01,055 INFO L208 MainTranslator]: Completed translation [2022-01-31 21:06:01,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:06:01 WrapperNode [2022-01-31 21:06:01,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 21:06:01,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 21:06:01,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 21:06:01,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 21:06:01,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:06:01" (1/1) ... [2022-01-31 21:06:01,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:06:01" (1/1) ... [2022-01-31 21:06:01,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:06:01" (1/1) ... [2022-01-31 21:06:01,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:06:01" (1/1) ... [2022-01-31 21:06:01,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:06:01" (1/1) ... [2022-01-31 21:06:01,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:06:01" (1/1) ... [2022-01-31 21:06:01,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:06:01" (1/1) ... [2022-01-31 21:06:01,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 21:06:01,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 21:06:01,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 21:06:01,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 21:06:01,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:06:01" (1/1) ... [2022-01-31 21:06:01,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 21:06:01,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 21:06:01,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-31 21:06:01,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-31 21:06:01,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 21:06:01,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 21:06:01,167 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 21:06:01,167 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 21:06:01,167 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 21:06:01,167 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 21:06:01,167 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 21:06:01,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 21:06:01,168 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-01-31 21:06:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-01-31 21:06:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 21:06:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 21:06:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 21:06:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 21:06:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-31 21:06:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 21:06:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 21:06:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 21:06:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 21:06:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 21:06:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-31 21:06:01,261 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 21:06:01,262 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 21:06:01,771 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 21:06:01,777 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 21:06:01,777 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-31 21:06:01,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:06:01 BoogieIcfgContainer [2022-01-31 21:06:01,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 21:06:01,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 21:06:01,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 21:06:01,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 21:06:01,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 09:06:00" (1/3) ... [2022-01-31 21:06:01,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d2901c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:06:01, skipping insertion in model container [2022-01-31 21:06:01,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:06:01" (2/3) ... [2022-01-31 21:06:01,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d2901c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:06:01, skipping insertion in model container [2022-01-31 21:06:01,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:06:01" (3/3) ... [2022-01-31 21:06:01,784 INFO L111 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lhb-reducer.c [2022-01-31 21:06:01,790 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 21:06:01,790 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 21:06:01,817 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 21:06:01,821 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=JORDAN [2022-01-31 21:06:01,821 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 21:06:01,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 49 states have (on average 1.8775510204081634) internal successors, (92), 50 states have internal predecessors, (92), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 21:06:01,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-01-31 21:06:01,836 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:01,836 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:01,837 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:01,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:01,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1054632774, now seen corresponding path program 1 times [2022-01-31 21:06:01,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:01,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [584272315] [2022-01-31 21:06:01,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:01,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:01,886 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:02,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:02,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:02,568 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:02,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [584272315] [2022-01-31 21:06:02,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [584272315] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:02,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:02,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-01-31 21:06:02,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740680227] [2022-01-31 21:06:02,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:02,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-01-31 21:06:02,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:02,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-01-31 21:06:02,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2022-01-31 21:06:02,600 INFO L87 Difference]: Start difference. First operand has 55 states, 49 states have (on average 1.8775510204081634) internal successors, (92), 50 states have internal predecessors, (92), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:03,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:03,175 INFO L93 Difference]: Finished difference Result 92 states and 136 transitions. [2022-01-31 21:06:03,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-31 21:06:03,177 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2022-01-31 21:06:03,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:03,182 INFO L225 Difference]: With dead ends: 92 [2022-01-31 21:06:03,182 INFO L226 Difference]: Without dead ends: 57 [2022-01-31 21:06:03,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2022-01-31 21:06:03,187 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 120 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:03,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 717 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-31 21:06:03,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-01-31 21:06:03,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2022-01-31 21:06:03,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 50 states have (on average 1.02) internal successors, (51), 50 states have internal predecessors, (51), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:03,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2022-01-31 21:06:03,223 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 48 [2022-01-31 21:06:03,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:03,223 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2022-01-31 21:06:03,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:03,223 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2022-01-31 21:06:03,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-01-31 21:06:03,224 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:03,224 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:03,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 21:06:03,225 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:03,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:03,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1470519801, now seen corresponding path program 1 times [2022-01-31 21:06:03,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:03,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [592183244] [2022-01-31 21:06:03,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:03,240 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:03,241 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:03,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:03,243 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:03,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:03,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:03,628 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:03,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [592183244] [2022-01-31 21:06:03,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [592183244] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:03,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:03,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-31 21:06:03,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838480121] [2022-01-31 21:06:03,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:03,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-31 21:06:03,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:03,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-31 21:06:03,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2022-01-31 21:06:03,630 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand has 19 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:04,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:04,043 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2022-01-31 21:06:04,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-31 21:06:04,043 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2022-01-31 21:06:04,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:04,044 INFO L225 Difference]: With dead ends: 65 [2022-01-31 21:06:04,044 INFO L226 Difference]: Without dead ends: 62 [2022-01-31 21:06:04,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-01-31 21:06:04,046 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 50 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:04,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 239 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-31 21:06:04,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-01-31 21:06:04,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2022-01-31 21:06:04,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 55 states have (on average 1.018181818181818) internal successors, (56), 55 states have internal predecessors, (56), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:04,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2022-01-31 21:06:04,055 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 53 [2022-01-31 21:06:04,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:04,055 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2022-01-31 21:06:04,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:04,055 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2022-01-31 21:06:04,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-01-31 21:06:04,056 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:04,056 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:04,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 21:06:04,057 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:04,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:04,057 INFO L85 PathProgramCache]: Analyzing trace with hash 412615706, now seen corresponding path program 2 times [2022-01-31 21:06:04,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:04,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1062652039] [2022-01-31 21:06:04,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:04,060 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:04,060 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:04,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:04,062 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:04,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:04,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:04,360 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:04,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1062652039] [2022-01-31 21:06:04,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1062652039] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:04,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:04,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-01-31 21:06:04,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579489132] [2022-01-31 21:06:04,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:04,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-01-31 21:06:04,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:04,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-01-31 21:06:04,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2022-01-31 21:06:04,362 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand has 20 states, 20 states have (on average 2.75) internal successors, (55), 19 states have internal predecessors, (55), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:04,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:04,921 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2022-01-31 21:06:04,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-31 21:06:04,921 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.75) internal successors, (55), 19 states have internal predecessors, (55), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 58 [2022-01-31 21:06:04,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:04,922 INFO L225 Difference]: With dead ends: 70 [2022-01-31 21:06:04,922 INFO L226 Difference]: Without dead ends: 67 [2022-01-31 21:06:04,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=731, Unknown=0, NotChecked=0, Total=812 [2022-01-31 21:06:04,923 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 49 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:04,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 316 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-31 21:06:04,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-01-31 21:06:04,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 64. [2022-01-31 21:06:04,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 60 states have (on average 1.0166666666666666) internal successors, (61), 60 states have internal predecessors, (61), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:04,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2022-01-31 21:06:04,933 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 58 [2022-01-31 21:06:04,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:04,933 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2022-01-31 21:06:04,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.75) internal successors, (55), 19 states have internal predecessors, (55), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:04,933 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2022-01-31 21:06:04,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-01-31 21:06:04,934 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:04,934 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:04,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-31 21:06:04,934 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:04,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:04,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1771010407, now seen corresponding path program 3 times [2022-01-31 21:06:04,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:04,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1565697438] [2022-01-31 21:06:04,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:04,938 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:04,938 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:04,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:04,939 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:05,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:05,240 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:05,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1565697438] [2022-01-31 21:06:05,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1565697438] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:05,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:05,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-01-31 21:06:05,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285597969] [2022-01-31 21:06:05,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:05,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-01-31 21:06:05,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:05,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-01-31 21:06:05,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2022-01-31 21:06:05,241 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand has 21 states, 21 states have (on average 2.857142857142857) internal successors, (60), 20 states have internal predecessors, (60), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:05,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:05,827 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2022-01-31 21:06:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-31 21:06:05,827 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.857142857142857) internal successors, (60), 20 states have internal predecessors, (60), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2022-01-31 21:06:05,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:05,828 INFO L225 Difference]: With dead ends: 75 [2022-01-31 21:06:05,828 INFO L226 Difference]: Without dead ends: 72 [2022-01-31 21:06:05,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2022-01-31 21:06:05,830 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 52 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:05,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 334 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-31 21:06:05,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-01-31 21:06:05,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 69. [2022-01-31 21:06:05,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 65 states have (on average 1.0153846153846153) internal successors, (66), 65 states have internal predecessors, (66), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:05,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2022-01-31 21:06:05,838 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 63 [2022-01-31 21:06:05,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:05,838 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2022-01-31 21:06:05,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.857142857142857) internal successors, (60), 20 states have internal predecessors, (60), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:05,839 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2022-01-31 21:06:05,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-01-31 21:06:05,839 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:05,839 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:05,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-31 21:06:05,839 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:05,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:05,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1370440838, now seen corresponding path program 4 times [2022-01-31 21:06:05,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:05,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [854430330] [2022-01-31 21:06:05,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:05,842 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:05,843 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:05,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:05,844 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:06,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:06,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:06,198 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:06,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [854430330] [2022-01-31 21:06:06,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [854430330] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:06,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:06,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-01-31 21:06:06,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858513695] [2022-01-31 21:06:06,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:06,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-01-31 21:06:06,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:06,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-01-31 21:06:06,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=413, Unknown=0, NotChecked=0, Total=462 [2022-01-31 21:06:06,200 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 21 states have internal predecessors, (65), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:06,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:06,801 INFO L93 Difference]: Finished difference Result 80 states and 80 transitions. [2022-01-31 21:06:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-31 21:06:06,802 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 21 states have internal predecessors, (65), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 68 [2022-01-31 21:06:06,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:06,802 INFO L225 Difference]: With dead ends: 80 [2022-01-31 21:06:06,802 INFO L226 Difference]: Without dead ends: 77 [2022-01-31 21:06:06,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=963, Unknown=0, NotChecked=0, Total=1056 [2022-01-31 21:06:06,803 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 57 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:06,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 338 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-31 21:06:06,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-01-31 21:06:06,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2022-01-31 21:06:06,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 70 states have (on average 1.0142857142857142) internal successors, (71), 70 states have internal predecessors, (71), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:06,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2022-01-31 21:06:06,812 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 74 transitions. Word has length 68 [2022-01-31 21:06:06,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:06,812 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 74 transitions. [2022-01-31 21:06:06,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 21 states have internal predecessors, (65), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:06,812 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2022-01-31 21:06:06,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-01-31 21:06:06,813 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:06,813 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:06,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-31 21:06:06,813 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:06,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:06,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1100780743, now seen corresponding path program 5 times [2022-01-31 21:06:06,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:06,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1995010404] [2022-01-31 21:06:06,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:06,816 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:06,816 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:06,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:06,817 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:07,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:07,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:07,152 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:07,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1995010404] [2022-01-31 21:06:07,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1995010404] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:07,152 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:07,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-01-31 21:06:07,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529557357] [2022-01-31 21:06:07,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:07,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-01-31 21:06:07,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:07,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-01-31 21:06:07,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2022-01-31 21:06:07,154 INFO L87 Difference]: Start difference. First operand 74 states and 74 transitions. Second operand has 23 states, 23 states have (on average 3.0434782608695654) internal successors, (70), 22 states have internal predecessors, (70), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:07,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:07,814 INFO L93 Difference]: Finished difference Result 85 states and 85 transitions. [2022-01-31 21:06:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-31 21:06:07,815 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0434782608695654) internal successors, (70), 22 states have internal predecessors, (70), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 73 [2022-01-31 21:06:07,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:07,817 INFO L225 Difference]: With dead ends: 85 [2022-01-31 21:06:07,817 INFO L226 Difference]: Without dead ends: 82 [2022-01-31 21:06:07,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=1091, Unknown=0, NotChecked=0, Total=1190 [2022-01-31 21:06:07,820 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 56 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:07,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 415 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-31 21:06:07,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-01-31 21:06:07,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2022-01-31 21:06:07,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 75 states have (on average 1.0133333333333334) internal successors, (76), 75 states have internal predecessors, (76), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:07,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2022-01-31 21:06:07,832 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 73 [2022-01-31 21:06:07,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:07,839 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2022-01-31 21:06:07,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.0434782608695654) internal successors, (70), 22 states have internal predecessors, (70), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:07,839 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2022-01-31 21:06:07,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-01-31 21:06:07,840 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:07,840 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:07,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-31 21:06:07,840 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:07,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:07,841 INFO L85 PathProgramCache]: Analyzing trace with hash -812401958, now seen corresponding path program 6 times [2022-01-31 21:06:07,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:07,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1899583694] [2022-01-31 21:06:07,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:07,843 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:07,843 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:07,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:07,844 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:08,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:08,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:08,202 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:08,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1899583694] [2022-01-31 21:06:08,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1899583694] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:08,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:08,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-01-31 21:06:08,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004157196] [2022-01-31 21:06:08,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:08,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-01-31 21:06:08,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:08,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-01-31 21:06:08,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=499, Unknown=0, NotChecked=0, Total=552 [2022-01-31 21:06:08,203 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand has 24 states, 24 states have (on average 3.125) internal successors, (75), 23 states have internal predecessors, (75), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:08,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:08,894 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2022-01-31 21:06:08,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-31 21:06:08,895 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.125) internal successors, (75), 23 states have internal predecessors, (75), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-01-31 21:06:08,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:08,895 INFO L225 Difference]: With dead ends: 90 [2022-01-31 21:06:08,895 INFO L226 Difference]: Without dead ends: 87 [2022-01-31 21:06:08,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=1227, Unknown=0, NotChecked=0, Total=1332 [2022-01-31 21:06:08,896 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 61 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:08,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 416 Invalid, 1080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1050 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-31 21:06:08,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-01-31 21:06:08,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 84. [2022-01-31 21:06:08,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 80 states have (on average 1.0125) internal successors, (81), 80 states have internal predecessors, (81), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:08,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2022-01-31 21:06:08,905 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 84 transitions. Word has length 78 [2022-01-31 21:06:08,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:08,905 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 84 transitions. [2022-01-31 21:06:08,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.125) internal successors, (75), 23 states have internal predecessors, (75), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:08,905 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2022-01-31 21:06:08,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-01-31 21:06:08,906 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:08,906 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:08,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-31 21:06:08,906 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:08,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:08,906 INFO L85 PathProgramCache]: Analyzing trace with hash -570882087, now seen corresponding path program 7 times [2022-01-31 21:06:08,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:08,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1269802019] [2022-01-31 21:06:08,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:08,909 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:08,909 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:08,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:08,910 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:09,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:09,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:09,260 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:09,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1269802019] [2022-01-31 21:06:09,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1269802019] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:09,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:09,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-31 21:06:09,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217079908] [2022-01-31 21:06:09,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:09,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-31 21:06:09,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:09,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-31 21:06:09,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=545, Unknown=0, NotChecked=0, Total=600 [2022-01-31 21:06:09,261 INFO L87 Difference]: Start difference. First operand 84 states and 84 transitions. Second operand has 25 states, 25 states have (on average 3.2) internal successors, (80), 24 states have internal predecessors, (80), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:10,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:10,026 INFO L93 Difference]: Finished difference Result 95 states and 95 transitions. [2022-01-31 21:06:10,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-31 21:06:10,027 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.2) internal successors, (80), 24 states have internal predecessors, (80), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 83 [2022-01-31 21:06:10,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:10,027 INFO L225 Difference]: With dead ends: 95 [2022-01-31 21:06:10,027 INFO L226 Difference]: Without dead ends: 92 [2022-01-31 21:06:10,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=1371, Unknown=0, NotChecked=0, Total=1482 [2022-01-31 21:06:10,030 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 60 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 1247 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 1279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:10,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 481 Invalid, 1279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1247 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-31 21:06:10,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-01-31 21:06:10,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 89. [2022-01-31 21:06:10,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 85 states have (on average 1.011764705882353) internal successors, (86), 85 states have internal predecessors, (86), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:10,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2022-01-31 21:06:10,044 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 83 [2022-01-31 21:06:10,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:10,045 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2022-01-31 21:06:10,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.2) internal successors, (80), 24 states have internal predecessors, (80), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:10,046 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2022-01-31 21:06:10,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-01-31 21:06:10,046 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:10,046 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:10,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-31 21:06:10,047 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:10,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:10,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1780941370, now seen corresponding path program 8 times [2022-01-31 21:06:10,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:10,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2104492417] [2022-01-31 21:06:10,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:10,051 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:10,051 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:10,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:10,053 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:10,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:10,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:10,472 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:10,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2104492417] [2022-01-31 21:06:10,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2104492417] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:10,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:10,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-31 21:06:10,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347360148] [2022-01-31 21:06:10,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:10,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-31 21:06:10,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:10,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-31 21:06:10,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-31 21:06:10,474 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand has 26 states, 26 states have (on average 3.269230769230769) internal successors, (85), 25 states have internal predecessors, (85), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:11,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:11,318 INFO L93 Difference]: Finished difference Result 100 states and 100 transitions. [2022-01-31 21:06:11,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-31 21:06:11,318 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.269230769230769) internal successors, (85), 25 states have internal predecessors, (85), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 88 [2022-01-31 21:06:11,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:11,319 INFO L225 Difference]: With dead ends: 100 [2022-01-31 21:06:11,319 INFO L226 Difference]: Without dead ends: 97 [2022-01-31 21:06:11,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=117, Invalid=1523, Unknown=0, NotChecked=0, Total=1640 [2022-01-31 21:06:11,320 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 63 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 1393 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:11,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 526 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1393 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-31 21:06:11,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-01-31 21:06:11,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 94. [2022-01-31 21:06:11,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 90 states have (on average 1.011111111111111) internal successors, (91), 90 states have internal predecessors, (91), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:11,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2022-01-31 21:06:11,327 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 94 transitions. Word has length 88 [2022-01-31 21:06:11,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:11,327 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 94 transitions. [2022-01-31 21:06:11,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.269230769230769) internal successors, (85), 25 states have internal predecessors, (85), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:11,327 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2022-01-31 21:06:11,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-01-31 21:06:11,328 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:11,328 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:11,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-31 21:06:11,328 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:11,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:11,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1289003911, now seen corresponding path program 9 times [2022-01-31 21:06:11,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:11,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1080867369] [2022-01-31 21:06:11,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:11,330 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:11,331 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:11,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:11,332 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:11,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:11,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:11,763 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:11,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1080867369] [2022-01-31 21:06:11,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1080867369] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:11,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:11,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-31 21:06:11,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920257645] [2022-01-31 21:06:11,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:11,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-31 21:06:11,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:11,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-31 21:06:11,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=643, Unknown=0, NotChecked=0, Total=702 [2022-01-31 21:06:11,764 INFO L87 Difference]: Start difference. First operand 94 states and 94 transitions. Second operand has 27 states, 27 states have (on average 3.3333333333333335) internal successors, (90), 26 states have internal predecessors, (90), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:12,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:12,619 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2022-01-31 21:06:12,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-31 21:06:12,619 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.3333333333333335) internal successors, (90), 26 states have internal predecessors, (90), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 93 [2022-01-31 21:06:12,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:12,620 INFO L225 Difference]: With dead ends: 105 [2022-01-31 21:06:12,620 INFO L226 Difference]: Without dead ends: 102 [2022-01-31 21:06:12,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=123, Invalid=1683, Unknown=0, NotChecked=0, Total=1806 [2022-01-31 21:06:12,621 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 66 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 1443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:12,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 529 Invalid, 1443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1407 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-31 21:06:12,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2022-01-31 21:06:12,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 99. [2022-01-31 21:06:12,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 95 states have (on average 1.0105263157894737) internal successors, (96), 95 states have internal predecessors, (96), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:12,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2022-01-31 21:06:12,630 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 99 transitions. Word has length 93 [2022-01-31 21:06:12,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:12,630 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 99 transitions. [2022-01-31 21:06:12,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.3333333333333335) internal successors, (90), 26 states have internal predecessors, (90), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:12,630 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2022-01-31 21:06:12,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-01-31 21:06:12,631 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:12,631 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:12,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-31 21:06:12,631 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:12,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:12,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1817219482, now seen corresponding path program 10 times [2022-01-31 21:06:12,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:12,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [530003811] [2022-01-31 21:06:12,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:12,633 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:12,633 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:12,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:12,635 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:13,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:13,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:13,097 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:13,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [530003811] [2022-01-31 21:06:13,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [530003811] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:13,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:13,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-31 21:06:13,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229108382] [2022-01-31 21:06:13,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:13,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-31 21:06:13,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:13,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-31 21:06:13,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=695, Unknown=0, NotChecked=0, Total=756 [2022-01-31 21:06:13,099 INFO L87 Difference]: Start difference. First operand 99 states and 99 transitions. Second operand has 28 states, 28 states have (on average 3.392857142857143) internal successors, (95), 27 states have internal predecessors, (95), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:14,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:14,108 INFO L93 Difference]: Finished difference Result 110 states and 110 transitions. [2022-01-31 21:06:14,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-31 21:06:14,109 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.392857142857143) internal successors, (95), 27 states have internal predecessors, (95), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2022-01-31 21:06:14,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:14,109 INFO L225 Difference]: With dead ends: 110 [2022-01-31 21:06:14,109 INFO L226 Difference]: Without dead ends: 107 [2022-01-31 21:06:14,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=1851, Unknown=0, NotChecked=0, Total=1980 [2022-01-31 21:06:14,110 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 68 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 1708 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 1746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:14,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 619 Invalid, 1746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1708 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 21:06:14,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-01-31 21:06:14,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 104. [2022-01-31 21:06:14,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 100 states have (on average 1.01) internal successors, (101), 100 states have internal predecessors, (101), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:14,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 104 transitions. [2022-01-31 21:06:14,118 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 104 transitions. Word has length 98 [2022-01-31 21:06:14,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:14,118 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 104 transitions. [2022-01-31 21:06:14,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.392857142857143) internal successors, (95), 27 states have internal predecessors, (95), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:14,118 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 104 transitions. [2022-01-31 21:06:14,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-01-31 21:06:14,123 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:14,123 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:14,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-31 21:06:14,123 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:14,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:14,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1265920281, now seen corresponding path program 11 times [2022-01-31 21:06:14,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:14,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [194722525] [2022-01-31 21:06:14,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:14,126 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:14,126 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:14,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:14,128 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:14,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:14,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:14,582 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:14,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [194722525] [2022-01-31 21:06:14,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [194722525] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:14,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:14,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-01-31 21:06:14,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019778899] [2022-01-31 21:06:14,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:14,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-01-31 21:06:14,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:14,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-01-31 21:06:14,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=749, Unknown=0, NotChecked=0, Total=812 [2022-01-31 21:06:14,583 INFO L87 Difference]: Start difference. First operand 104 states and 104 transitions. Second operand has 29 states, 29 states have (on average 3.4482758620689653) internal successors, (100), 28 states have internal predecessors, (100), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:15,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:15,662 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2022-01-31 21:06:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-31 21:06:15,670 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.4482758620689653) internal successors, (100), 28 states have internal predecessors, (100), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 103 [2022-01-31 21:06:15,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:15,671 INFO L225 Difference]: With dead ends: 115 [2022-01-31 21:06:15,671 INFO L226 Difference]: Without dead ends: 112 [2022-01-31 21:06:15,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=135, Invalid=2027, Unknown=0, NotChecked=0, Total=2162 [2022-01-31 21:06:15,672 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 68 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 1956 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 1996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:15,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 694 Invalid, 1996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1956 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-31 21:06:15,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-01-31 21:06:15,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2022-01-31 21:06:15,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 105 states have (on average 1.0095238095238095) internal successors, (106), 105 states have internal predecessors, (106), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:15,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2022-01-31 21:06:15,679 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 103 [2022-01-31 21:06:15,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:15,679 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2022-01-31 21:06:15,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.4482758620689653) internal successors, (100), 28 states have internal predecessors, (100), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:15,680 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2022-01-31 21:06:15,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-31 21:06:15,680 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:15,680 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:15,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-31 21:06:15,680 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:15,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:15,681 INFO L85 PathProgramCache]: Analyzing trace with hash 618031354, now seen corresponding path program 12 times [2022-01-31 21:06:15,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:15,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2023033259] [2022-01-31 21:06:15,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:15,683 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:15,683 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:15,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:15,686 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:16,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:16,129 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:16,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2023033259] [2022-01-31 21:06:16,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2023033259] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:16,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:16,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-01-31 21:06:16,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307629018] [2022-01-31 21:06:16,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:16,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-01-31 21:06:16,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:16,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-01-31 21:06:16,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=805, Unknown=0, NotChecked=0, Total=870 [2022-01-31 21:06:16,131 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand has 30 states, 30 states have (on average 3.5) internal successors, (105), 29 states have internal predecessors, (105), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:17,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:17,290 INFO L93 Difference]: Finished difference Result 120 states and 120 transitions. [2022-01-31 21:06:17,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-31 21:06:17,292 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.5) internal successors, (105), 29 states have internal predecessors, (105), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 108 [2022-01-31 21:06:17,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:17,293 INFO L225 Difference]: With dead ends: 120 [2022-01-31 21:06:17,293 INFO L226 Difference]: Without dead ends: 117 [2022-01-31 21:06:17,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=141, Invalid=2211, Unknown=0, NotChecked=0, Total=2352 [2022-01-31 21:06:17,294 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 73 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 2136 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 2178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:17,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 742 Invalid, 2178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2136 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-31 21:06:17,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-01-31 21:06:17,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 114. [2022-01-31 21:06:17,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 110 states have (on average 1.009090909090909) internal successors, (111), 110 states have internal predecessors, (111), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:17,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 114 transitions. [2022-01-31 21:06:17,303 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 114 transitions. Word has length 108 [2022-01-31 21:06:17,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:17,303 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 114 transitions. [2022-01-31 21:06:17,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.5) internal successors, (105), 29 states have internal predecessors, (105), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:17,303 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 114 transitions. [2022-01-31 21:06:17,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-01-31 21:06:17,303 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:17,304 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:17,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-31 21:06:17,304 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:17,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:17,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1546768967, now seen corresponding path program 13 times [2022-01-31 21:06:17,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:17,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494074924] [2022-01-31 21:06:17,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:17,306 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:17,306 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:17,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:17,308 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:17,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:17,812 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:17,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494074924] [2022-01-31 21:06:17,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [494074924] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:17,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:17,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-01-31 21:06:17,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350294410] [2022-01-31 21:06:17,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:17,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-01-31 21:06:17,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:17,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-01-31 21:06:17,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=863, Unknown=0, NotChecked=0, Total=930 [2022-01-31 21:06:17,813 INFO L87 Difference]: Start difference. First operand 114 states and 114 transitions. Second operand has 31 states, 31 states have (on average 3.5483870967741935) internal successors, (110), 30 states have internal predecessors, (110), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:19,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:19,043 INFO L93 Difference]: Finished difference Result 125 states and 125 transitions. [2022-01-31 21:06:19,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-31 21:06:19,043 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.5483870967741935) internal successors, (110), 30 states have internal predecessors, (110), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 113 [2022-01-31 21:06:19,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:19,044 INFO L225 Difference]: With dead ends: 125 [2022-01-31 21:06:19,044 INFO L226 Difference]: Without dead ends: 122 [2022-01-31 21:06:19,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=147, Invalid=2403, Unknown=0, NotChecked=0, Total=2550 [2022-01-31 21:06:19,045 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 72 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 2329 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 2373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:19,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 807 Invalid, 2373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2329 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-31 21:06:19,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-01-31 21:06:19,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 119. [2022-01-31 21:06:19,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 115 states have (on average 1.008695652173913) internal successors, (116), 115 states have internal predecessors, (116), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:19,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 119 transitions. [2022-01-31 21:06:19,054 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 119 transitions. Word has length 113 [2022-01-31 21:06:19,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:19,054 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 119 transitions. [2022-01-31 21:06:19,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.5483870967741935) internal successors, (110), 30 states have internal predecessors, (110), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:19,054 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 119 transitions. [2022-01-31 21:06:19,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-01-31 21:06:19,055 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:19,055 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:19,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-31 21:06:19,055 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:19,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:19,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1560377254, now seen corresponding path program 14 times [2022-01-31 21:06:19,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:19,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [498862868] [2022-01-31 21:06:19,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:19,057 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:19,057 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:19,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:19,059 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:19,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:19,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:19,563 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:19,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [498862868] [2022-01-31 21:06:19,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [498862868] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:19,563 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:19,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-01-31 21:06:19,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552053614] [2022-01-31 21:06:19,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:19,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-01-31 21:06:19,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:19,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-01-31 21:06:19,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=923, Unknown=0, NotChecked=0, Total=992 [2022-01-31 21:06:19,564 INFO L87 Difference]: Start difference. First operand 119 states and 119 transitions. Second operand has 32 states, 32 states have (on average 3.59375) internal successors, (115), 31 states have internal predecessors, (115), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:20,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:20,862 INFO L93 Difference]: Finished difference Result 130 states and 130 transitions. [2022-01-31 21:06:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-31 21:06:20,862 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.59375) internal successors, (115), 31 states have internal predecessors, (115), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 118 [2022-01-31 21:06:20,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:20,863 INFO L225 Difference]: With dead ends: 130 [2022-01-31 21:06:20,863 INFO L226 Difference]: Without dead ends: 127 [2022-01-31 21:06:20,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=153, Invalid=2603, Unknown=0, NotChecked=0, Total=2756 [2022-01-31 21:06:20,864 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 76 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 2525 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 2571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 2525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:20,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 859 Invalid, 2571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 2525 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-31 21:06:20,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-01-31 21:06:20,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124. [2022-01-31 21:06:20,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 120 states have (on average 1.0083333333333333) internal successors, (121), 120 states have internal predecessors, (121), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:20,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 124 transitions. [2022-01-31 21:06:20,873 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 124 transitions. Word has length 118 [2022-01-31 21:06:20,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:20,873 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 124 transitions. [2022-01-31 21:06:20,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.59375) internal successors, (115), 31 states have internal predecessors, (115), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:20,874 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 124 transitions. [2022-01-31 21:06:20,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-01-31 21:06:20,874 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:20,874 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:20,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-31 21:06:20,874 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:20,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:20,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1219668569, now seen corresponding path program 15 times [2022-01-31 21:06:20,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:20,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1658398765] [2022-01-31 21:06:20,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:20,877 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:20,877 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:20,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:20,878 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:21,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:21,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:21,446 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:21,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1658398765] [2022-01-31 21:06:21,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1658398765] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:21,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:21,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2022-01-31 21:06:21,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359474101] [2022-01-31 21:06:21,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:21,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-01-31 21:06:21,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:21,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-01-31 21:06:21,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=985, Unknown=0, NotChecked=0, Total=1056 [2022-01-31 21:06:21,447 INFO L87 Difference]: Start difference. First operand 124 states and 124 transitions. Second operand has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 32 states have internal predecessors, (120), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:22,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:22,824 INFO L93 Difference]: Finished difference Result 135 states and 135 transitions. [2022-01-31 21:06:22,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-31 21:06:22,826 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 32 states have internal predecessors, (120), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 123 [2022-01-31 21:06:22,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:22,826 INFO L225 Difference]: With dead ends: 135 [2022-01-31 21:06:22,827 INFO L226 Difference]: Without dead ends: 132 [2022-01-31 21:06:22,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=159, Invalid=2811, Unknown=0, NotChecked=0, Total=2970 [2022-01-31 21:06:22,828 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 75 mSDsluCounter, 862 mSDsCounter, 0 mSdLazyCounter, 2639 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 2687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 2639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:22,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 897 Invalid, 2687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 2639 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-31 21:06:22,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-01-31 21:06:22,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 129. [2022-01-31 21:06:22,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 125 states have (on average 1.008) internal successors, (126), 125 states have internal predecessors, (126), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 129 transitions. [2022-01-31 21:06:22,853 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 129 transitions. Word has length 123 [2022-01-31 21:06:22,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:22,853 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 129 transitions. [2022-01-31 21:06:22,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 32 states have internal predecessors, (120), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:22,854 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 129 transitions. [2022-01-31 21:06:22,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-01-31 21:06:22,854 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:22,854 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:22,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-31 21:06:22,855 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:22,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:22,855 INFO L85 PathProgramCache]: Analyzing trace with hash 378466234, now seen corresponding path program 16 times [2022-01-31 21:06:22,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:22,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1119718944] [2022-01-31 21:06:22,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:22,857 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:22,857 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:22,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:22,859 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:23,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:23,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:23,473 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:23,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1119718944] [2022-01-31 21:06:23,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1119718944] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:23,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:23,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2022-01-31 21:06:23,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432431726] [2022-01-31 21:06:23,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:23,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-01-31 21:06:23,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:23,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-01-31 21:06:23,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=1049, Unknown=0, NotChecked=0, Total=1122 [2022-01-31 21:06:23,475 INFO L87 Difference]: Start difference. First operand 129 states and 129 transitions. Second operand has 34 states, 34 states have (on average 3.676470588235294) internal successors, (125), 33 states have internal predecessors, (125), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:24,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:24,965 INFO L93 Difference]: Finished difference Result 140 states and 140 transitions. [2022-01-31 21:06:24,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-31 21:06:24,965 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 3.676470588235294) internal successors, (125), 33 states have internal predecessors, (125), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 128 [2022-01-31 21:06:24,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:24,966 INFO L225 Difference]: With dead ends: 140 [2022-01-31 21:06:24,966 INFO L226 Difference]: Without dead ends: 137 [2022-01-31 21:06:24,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=165, Invalid=3027, Unknown=0, NotChecked=0, Total=3192 [2022-01-31 21:06:24,967 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 78 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 2946 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 2996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:24,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 984 Invalid, 2996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2946 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-31 21:06:24,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-01-31 21:06:24,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 134. [2022-01-31 21:06:24,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 130 states have (on average 1.0076923076923077) internal successors, (131), 130 states have internal predecessors, (131), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:24,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 134 transitions. [2022-01-31 21:06:24,977 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 134 transitions. Word has length 128 [2022-01-31 21:06:24,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:24,977 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 134 transitions. [2022-01-31 21:06:24,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.676470588235294) internal successors, (125), 33 states have internal predecessors, (125), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:24,977 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 134 transitions. [2022-01-31 21:06:24,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-01-31 21:06:24,978 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:24,978 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:24,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-31 21:06:24,978 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:24,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:24,979 INFO L85 PathProgramCache]: Analyzing trace with hash -165945607, now seen corresponding path program 17 times [2022-01-31 21:06:24,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:24,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [148865070] [2022-01-31 21:06:24,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:24,981 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:24,981 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:24,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:24,982 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:25,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:25,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:25,548 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:25,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [148865070] [2022-01-31 21:06:25,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [148865070] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:25,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:25,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2022-01-31 21:06:25,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083422256] [2022-01-31 21:06:25,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:25,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-01-31 21:06:25,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:25,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-01-31 21:06:25,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1115, Unknown=0, NotChecked=0, Total=1190 [2022-01-31 21:06:25,549 INFO L87 Difference]: Start difference. First operand 134 states and 134 transitions. Second operand has 35 states, 35 states have (on average 3.7142857142857144) internal successors, (130), 34 states have internal predecessors, (130), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:27,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:27,108 INFO L93 Difference]: Finished difference Result 145 states and 145 transitions. [2022-01-31 21:06:27,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-31 21:06:27,109 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.7142857142857144) internal successors, (130), 34 states have internal predecessors, (130), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 133 [2022-01-31 21:06:27,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:27,109 INFO L225 Difference]: With dead ends: 145 [2022-01-31 21:06:27,109 INFO L226 Difference]: Without dead ends: 142 [2022-01-31 21:06:27,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=171, Invalid=3251, Unknown=0, NotChecked=0, Total=3422 [2022-01-31 21:06:27,111 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 82 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 3066 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 3118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 3066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:27,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 1018 Invalid, 3118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 3066 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-31 21:06:27,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-01-31 21:06:27,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 139. [2022-01-31 21:06:27,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 135 states have (on average 1.0074074074074073) internal successors, (136), 135 states have internal predecessors, (136), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:27,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 139 transitions. [2022-01-31 21:06:27,122 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 139 transitions. Word has length 133 [2022-01-31 21:06:27,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:27,122 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 139 transitions. [2022-01-31 21:06:27,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.7142857142857144) internal successors, (130), 34 states have internal predecessors, (130), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:27,122 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 139 transitions. [2022-01-31 21:06:27,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-01-31 21:06:27,123 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:27,123 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:27,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-31 21:06:27,123 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:27,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:27,124 INFO L85 PathProgramCache]: Analyzing trace with hash 802004762, now seen corresponding path program 18 times [2022-01-31 21:06:27,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:27,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [470839928] [2022-01-31 21:06:27,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:27,127 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:27,127 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:27,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:27,129 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:27,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:27,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:27,705 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:27,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [470839928] [2022-01-31 21:06:27,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [470839928] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:27,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:27,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2022-01-31 21:06:27,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089757631] [2022-01-31 21:06:27,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:27,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-01-31 21:06:27,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:27,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-01-31 21:06:27,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1183, Unknown=0, NotChecked=0, Total=1260 [2022-01-31 21:06:27,706 INFO L87 Difference]: Start difference. First operand 139 states and 139 transitions. Second operand has 36 states, 36 states have (on average 3.75) internal successors, (135), 35 states have internal predecessors, (135), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:29,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:29,409 INFO L93 Difference]: Finished difference Result 150 states and 150 transitions. [2022-01-31 21:06:29,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-31 21:06:29,414 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 3.75) internal successors, (135), 35 states have internal predecessors, (135), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 138 [2022-01-31 21:06:29,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:29,415 INFO L225 Difference]: With dead ends: 150 [2022-01-31 21:06:29,415 INFO L226 Difference]: Without dead ends: 147 [2022-01-31 21:06:29,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 401 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=177, Invalid=3483, Unknown=0, NotChecked=0, Total=3660 [2022-01-31 21:06:29,417 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 85 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 3291 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 1080 SdHoareTripleChecker+Invalid, 3345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 3291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:29,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 1080 Invalid, 3345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 3291 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-31 21:06:29,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-01-31 21:06:29,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 144. [2022-01-31 21:06:29,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 140 states have (on average 1.0071428571428571) internal successors, (141), 140 states have internal predecessors, (141), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:29,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 144 transitions. [2022-01-31 21:06:29,428 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 144 transitions. Word has length 138 [2022-01-31 21:06:29,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:29,428 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 144 transitions. [2022-01-31 21:06:29,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.75) internal successors, (135), 35 states have internal predecessors, (135), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:29,428 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 144 transitions. [2022-01-31 21:06:29,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-01-31 21:06:29,429 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:29,429 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:29,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-31 21:06:29,429 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:29,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:29,430 INFO L85 PathProgramCache]: Analyzing trace with hash 931384217, now seen corresponding path program 19 times [2022-01-31 21:06:29,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:29,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2110930384] [2022-01-31 21:06:29,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:29,433 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:29,433 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:29,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:29,435 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:30,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:30,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:30,110 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:30,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2110930384] [2022-01-31 21:06:30,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2110930384] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:30,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:30,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2022-01-31 21:06:30,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726637613] [2022-01-31 21:06:30,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:30,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-01-31 21:06:30,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:30,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-01-31 21:06:30,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1253, Unknown=0, NotChecked=0, Total=1332 [2022-01-31 21:06:30,111 INFO L87 Difference]: Start difference. First operand 144 states and 144 transitions. Second operand has 37 states, 37 states have (on average 3.7837837837837838) internal successors, (140), 36 states have internal predecessors, (140), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:31,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:31,952 INFO L93 Difference]: Finished difference Result 155 states and 155 transitions. [2022-01-31 21:06:31,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-31 21:06:31,953 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.7837837837837838) internal successors, (140), 36 states have internal predecessors, (140), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 143 [2022-01-31 21:06:31,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:31,954 INFO L225 Difference]: With dead ends: 155 [2022-01-31 21:06:31,954 INFO L226 Difference]: Without dead ends: 152 [2022-01-31 21:06:31,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=183, Invalid=3723, Unknown=0, NotChecked=0, Total=3906 [2022-01-31 21:06:31,955 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 86 mSDsluCounter, 1140 mSDsCounter, 0 mSdLazyCounter, 3635 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 1179 SdHoareTripleChecker+Invalid, 3691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 3635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:31,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 1179 Invalid, 3691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 3635 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-31 21:06:31,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-01-31 21:06:31,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 149. [2022-01-31 21:06:31,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 145 states have (on average 1.006896551724138) internal successors, (146), 145 states have internal predecessors, (146), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:31,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 149 transitions. [2022-01-31 21:06:31,967 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 149 transitions. Word has length 143 [2022-01-31 21:06:31,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:31,967 INFO L470 AbstractCegarLoop]: Abstraction has 149 states and 149 transitions. [2022-01-31 21:06:31,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.7837837837837838) internal successors, (140), 36 states have internal predecessors, (140), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:31,967 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 149 transitions. [2022-01-31 21:06:31,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-01-31 21:06:31,968 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:31,968 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:31,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-31 21:06:31,968 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:31,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:31,968 INFO L85 PathProgramCache]: Analyzing trace with hash 2139133562, now seen corresponding path program 20 times [2022-01-31 21:06:31,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:31,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1367408298] [2022-01-31 21:06:31,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:31,976 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:31,976 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:31,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:31,979 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:32,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:32,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:32,643 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:32,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1367408298] [2022-01-31 21:06:32,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1367408298] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:32,643 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:32,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2022-01-31 21:06:32,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734608366] [2022-01-31 21:06:32,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:32,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-01-31 21:06:32,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:32,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-01-31 21:06:32,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1325, Unknown=0, NotChecked=0, Total=1406 [2022-01-31 21:06:32,644 INFO L87 Difference]: Start difference. First operand 149 states and 149 transitions. Second operand has 38 states, 38 states have (on average 3.8157894736842106) internal successors, (145), 37 states have internal predecessors, (145), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:34,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:34,540 INFO L93 Difference]: Finished difference Result 160 states and 160 transitions. [2022-01-31 21:06:34,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-31 21:06:34,540 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 3.8157894736842106) internal successors, (145), 37 states have internal predecessors, (145), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 148 [2022-01-31 21:06:34,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:34,541 INFO L225 Difference]: With dead ends: 160 [2022-01-31 21:06:34,541 INFO L226 Difference]: Without dead ends: 157 [2022-01-31 21:06:34,542 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=189, Invalid=3971, Unknown=0, NotChecked=0, Total=4160 [2022-01-31 21:06:34,542 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 85 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 3883 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 3941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 3883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:34,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 1255 Invalid, 3941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 3883 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-31 21:06:34,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-01-31 21:06:34,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 154. [2022-01-31 21:06:34,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 150 states have (on average 1.0066666666666666) internal successors, (151), 150 states have internal predecessors, (151), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:34,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 154 transitions. [2022-01-31 21:06:34,555 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 154 transitions. Word has length 148 [2022-01-31 21:06:34,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:34,555 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 154 transitions. [2022-01-31 21:06:34,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.8157894736842106) internal successors, (145), 37 states have internal predecessors, (145), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:34,555 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 154 transitions. [2022-01-31 21:06:34,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-01-31 21:06:34,556 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:34,556 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:34,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-31 21:06:34,556 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:34,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:34,556 INFO L85 PathProgramCache]: Analyzing trace with hash 132411449, now seen corresponding path program 21 times [2022-01-31 21:06:34,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:34,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [742236178] [2022-01-31 21:06:34,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:34,559 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:34,559 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:34,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:34,561 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:35,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:35,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:35,264 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:35,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [742236178] [2022-01-31 21:06:35,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [742236178] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:35,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:35,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2022-01-31 21:06:35,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44591479] [2022-01-31 21:06:35,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:35,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-01-31 21:06:35,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:35,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-01-31 21:06:35,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1399, Unknown=0, NotChecked=0, Total=1482 [2022-01-31 21:06:35,266 INFO L87 Difference]: Start difference. First operand 154 states and 154 transitions. Second operand has 39 states, 39 states have (on average 3.8461538461538463) internal successors, (150), 38 states have internal predecessors, (150), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:37,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:37,197 INFO L93 Difference]: Finished difference Result 165 states and 165 transitions. [2022-01-31 21:06:37,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-31 21:06:37,199 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.8461538461538463) internal successors, (150), 38 states have internal predecessors, (150), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 153 [2022-01-31 21:06:37,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:37,199 INFO L225 Difference]: With dead ends: 165 [2022-01-31 21:06:37,199 INFO L226 Difference]: Without dead ends: 162 [2022-01-31 21:06:37,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 491 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=195, Invalid=4227, Unknown=0, NotChecked=0, Total=4422 [2022-01-31 21:06:37,200 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 89 mSDsluCounter, 1218 mSDsCounter, 0 mSdLazyCounter, 3901 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 3961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 3901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:37,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 1259 Invalid, 3961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 3901 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-31 21:06:37,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-01-31 21:06:37,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 159. [2022-01-31 21:06:37,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 155 states have (on average 1.0064516129032257) internal successors, (156), 155 states have internal predecessors, (156), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:37,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 159 transitions. [2022-01-31 21:06:37,213 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 159 transitions. Word has length 153 [2022-01-31 21:06:37,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:37,213 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 159 transitions. [2022-01-31 21:06:37,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 3.8461538461538463) internal successors, (150), 38 states have internal predecessors, (150), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:37,214 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 159 transitions. [2022-01-31 21:06:37,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-01-31 21:06:37,214 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:37,214 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:37,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-31 21:06:37,214 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:37,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:37,215 INFO L85 PathProgramCache]: Analyzing trace with hash -689056294, now seen corresponding path program 22 times [2022-01-31 21:06:37,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:37,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [296520415] [2022-01-31 21:06:37,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:37,217 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:37,217 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:37,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:37,219 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:37,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:37,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:37,943 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:37,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [296520415] [2022-01-31 21:06:37,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [296520415] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:37,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:37,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2022-01-31 21:06:37,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466581513] [2022-01-31 21:06:37,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:37,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-01-31 21:06:37,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:37,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-01-31 21:06:37,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1475, Unknown=0, NotChecked=0, Total=1560 [2022-01-31 21:06:37,944 INFO L87 Difference]: Start difference. First operand 159 states and 159 transitions. Second operand has 40 states, 40 states have (on average 3.875) internal successors, (155), 39 states have internal predecessors, (155), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:39,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:39,997 INFO L93 Difference]: Finished difference Result 170 states and 170 transitions. [2022-01-31 21:06:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-31 21:06:39,997 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 3.875) internal successors, (155), 39 states have internal predecessors, (155), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 158 [2022-01-31 21:06:39,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:39,998 INFO L225 Difference]: With dead ends: 170 [2022-01-31 21:06:39,998 INFO L226 Difference]: Without dead ends: 167 [2022-01-31 21:06:39,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=201, Invalid=4491, Unknown=0, NotChecked=0, Total=4692 [2022-01-31 21:06:39,999 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 90 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 4155 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 1331 SdHoareTripleChecker+Invalid, 4217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 4155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:39,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 1331 Invalid, 4217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 4155 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-31 21:06:40,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-01-31 21:06:40,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2022-01-31 21:06:40,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 160 states have (on average 1.00625) internal successors, (161), 160 states have internal predecessors, (161), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:40,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 164 transitions. [2022-01-31 21:06:40,015 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 164 transitions. Word has length 158 [2022-01-31 21:06:40,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:40,015 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 164 transitions. [2022-01-31 21:06:40,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.875) internal successors, (155), 39 states have internal predecessors, (155), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:40,015 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 164 transitions. [2022-01-31 21:06:40,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-31 21:06:40,016 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:40,016 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:40,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-31 21:06:40,016 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:40,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:40,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1907870937, now seen corresponding path program 23 times [2022-01-31 21:06:40,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:40,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1406744961] [2022-01-31 21:06:40,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:40,019 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:40,019 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:40,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:40,021 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:40,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:40,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:40,764 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:40,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1406744961] [2022-01-31 21:06:40,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1406744961] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:40,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:40,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [41] imperfect sequences [] total 41 [2022-01-31 21:06:40,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277189670] [2022-01-31 21:06:40,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:40,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-01-31 21:06:40,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:40,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-01-31 21:06:40,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1553, Unknown=0, NotChecked=0, Total=1640 [2022-01-31 21:06:40,765 INFO L87 Difference]: Start difference. First operand 164 states and 164 transitions. Second operand has 41 states, 41 states have (on average 3.902439024390244) internal successors, (160), 40 states have internal predecessors, (160), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:43,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:43,086 INFO L93 Difference]: Finished difference Result 175 states and 175 transitions. [2022-01-31 21:06:43,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-31 21:06:43,087 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 3.902439024390244) internal successors, (160), 40 states have internal predecessors, (160), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 163 [2022-01-31 21:06:43,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:43,088 INFO L225 Difference]: With dead ends: 175 [2022-01-31 21:06:43,088 INFO L226 Difference]: Without dead ends: 172 [2022-01-31 21:06:43,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 556 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=207, Invalid=4763, Unknown=0, NotChecked=0, Total=4970 [2022-01-31 21:06:43,089 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 91 mSDsluCounter, 1470 mSDsCounter, 0 mSdLazyCounter, 4795 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 1513 SdHoareTripleChecker+Invalid, 4859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 4795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:43,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 1513 Invalid, 4859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 4795 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-31 21:06:43,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-01-31 21:06:43,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 169. [2022-01-31 21:06:43,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 165 states have (on average 1.006060606060606) internal successors, (166), 165 states have internal predecessors, (166), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:43,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 169 transitions. [2022-01-31 21:06:43,103 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 169 transitions. Word has length 163 [2022-01-31 21:06:43,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:43,103 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 169 transitions. [2022-01-31 21:06:43,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 3.902439024390244) internal successors, (160), 40 states have internal predecessors, (160), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:43,104 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 169 transitions. [2022-01-31 21:06:43,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-01-31 21:06:43,104 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:43,104 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:43,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-31 21:06:43,104 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:43,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:43,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1478795974, now seen corresponding path program 24 times [2022-01-31 21:06:43,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:43,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1894935274] [2022-01-31 21:06:43,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:43,110 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:43,110 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:43,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:43,124 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:43,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:43,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:43,915 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:43,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1894935274] [2022-01-31 21:06:43,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1894935274] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:43,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:43,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [] total 42 [2022-01-31 21:06:43,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538316102] [2022-01-31 21:06:43,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:43,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-01-31 21:06:43,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:43,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-01-31 21:06:43,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1633, Unknown=0, NotChecked=0, Total=1722 [2022-01-31 21:06:43,919 INFO L87 Difference]: Start difference. First operand 169 states and 169 transitions. Second operand has 42 states, 42 states have (on average 3.9285714285714284) internal successors, (165), 41 states have internal predecessors, (165), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:46,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:46,266 INFO L93 Difference]: Finished difference Result 180 states and 180 transitions. [2022-01-31 21:06:46,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-31 21:06:46,266 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 3.9285714285714284) internal successors, (165), 41 states have internal predecessors, (165), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 168 [2022-01-31 21:06:46,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:46,267 INFO L225 Difference]: With dead ends: 180 [2022-01-31 21:06:46,267 INFO L226 Difference]: Without dead ends: 177 [2022-01-31 21:06:46,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 590 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=213, Invalid=5043, Unknown=0, NotChecked=0, Total=5256 [2022-01-31 21:06:46,268 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 93 mSDsluCounter, 1511 mSDsCounter, 0 mSdLazyCounter, 4947 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 1555 SdHoareTripleChecker+Invalid, 5013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 4947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:46,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 1555 Invalid, 5013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 4947 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-31 21:06:46,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2022-01-31 21:06:46,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 174. [2022-01-31 21:06:46,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 170 states have (on average 1.0058823529411764) internal successors, (171), 170 states have internal predecessors, (171), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:46,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 174 transitions. [2022-01-31 21:06:46,292 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 174 transitions. Word has length 168 [2022-01-31 21:06:46,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:46,292 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 174 transitions. [2022-01-31 21:06:46,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 3.9285714285714284) internal successors, (165), 41 states have internal predecessors, (165), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:46,293 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 174 transitions. [2022-01-31 21:06:46,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-01-31 21:06:46,293 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:46,293 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:46,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-31 21:06:46,293 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:46,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:46,294 INFO L85 PathProgramCache]: Analyzing trace with hash 787997049, now seen corresponding path program 25 times [2022-01-31 21:06:46,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:46,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2072154414] [2022-01-31 21:06:46,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:46,296 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:46,296 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:46,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:46,299 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:47,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:47,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:47,145 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:47,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2072154414] [2022-01-31 21:06:47,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2072154414] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:47,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:47,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2022-01-31 21:06:47,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845469971] [2022-01-31 21:06:47,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:47,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-01-31 21:06:47,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:47,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-01-31 21:06:47,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1715, Unknown=0, NotChecked=0, Total=1806 [2022-01-31 21:06:47,146 INFO L87 Difference]: Start difference. First operand 174 states and 174 transitions. Second operand has 43 states, 43 states have (on average 3.953488372093023) internal successors, (170), 42 states have internal predecessors, (170), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:49,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:49,599 INFO L93 Difference]: Finished difference Result 185 states and 185 transitions. [2022-01-31 21:06:49,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-31 21:06:49,600 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 3.953488372093023) internal successors, (170), 42 states have internal predecessors, (170), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 173 [2022-01-31 21:06:49,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:49,600 INFO L225 Difference]: With dead ends: 185 [2022-01-31 21:06:49,600 INFO L226 Difference]: Without dead ends: 182 [2022-01-31 21:06:49,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=219, Invalid=5331, Unknown=0, NotChecked=0, Total=5550 [2022-01-31 21:06:49,601 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 96 mSDsluCounter, 1590 mSDsCounter, 0 mSdLazyCounter, 5233 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 1635 SdHoareTripleChecker+Invalid, 5301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 5233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:49,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 1635 Invalid, 5301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 5233 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-31 21:06:49,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-01-31 21:06:49,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2022-01-31 21:06:49,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 175 states have (on average 1.0057142857142858) internal successors, (176), 175 states have internal predecessors, (176), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:49,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 179 transitions. [2022-01-31 21:06:49,616 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 179 transitions. Word has length 173 [2022-01-31 21:06:49,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:49,616 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 179 transitions. [2022-01-31 21:06:49,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.953488372093023) internal successors, (170), 42 states have internal predecessors, (170), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:49,617 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 179 transitions. [2022-01-31 21:06:49,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-01-31 21:06:49,617 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:49,617 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:49,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-31 21:06:49,617 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:49,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:49,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1687104666, now seen corresponding path program 26 times [2022-01-31 21:06:49,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:49,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575338701] [2022-01-31 21:06:49,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:49,620 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:49,620 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:49,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:49,622 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:50,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:50,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:50,473 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:50,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575338701] [2022-01-31 21:06:50,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1575338701] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:50,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:50,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [] total 44 [2022-01-31 21:06:50,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539920128] [2022-01-31 21:06:50,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:50,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-01-31 21:06:50,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:50,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-01-31 21:06:50,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1799, Unknown=0, NotChecked=0, Total=1892 [2022-01-31 21:06:50,475 INFO L87 Difference]: Start difference. First operand 179 states and 179 transitions. Second operand has 44 states, 44 states have (on average 3.977272727272727) internal successors, (175), 43 states have internal predecessors, (175), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:53,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:53,047 INFO L93 Difference]: Finished difference Result 190 states and 190 transitions. [2022-01-31 21:06:53,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-31 21:06:53,047 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 3.977272727272727) internal successors, (175), 43 states have internal predecessors, (175), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 178 [2022-01-31 21:06:53,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:53,048 INFO L225 Difference]: With dead ends: 190 [2022-01-31 21:06:53,048 INFO L226 Difference]: Without dead ends: 187 [2022-01-31 21:06:53,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=225, Invalid=5627, Unknown=0, NotChecked=0, Total=5852 [2022-01-31 21:06:53,049 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 101 mSDsluCounter, 1590 mSDsCounter, 0 mSdLazyCounter, 5250 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 1636 SdHoareTripleChecker+Invalid, 5320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 5250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:53,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 1636 Invalid, 5320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 5250 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-31 21:06:53,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-01-31 21:06:53,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 184. [2022-01-31 21:06:53,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 180 states have (on average 1.0055555555555555) internal successors, (181), 180 states have internal predecessors, (181), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:53,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 184 transitions. [2022-01-31 21:06:53,064 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 184 transitions. Word has length 178 [2022-01-31 21:06:53,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:53,065 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 184 transitions. [2022-01-31 21:06:53,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.977272727272727) internal successors, (175), 43 states have internal predecessors, (175), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:53,065 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 184 transitions. [2022-01-31 21:06:53,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-01-31 21:06:53,065 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:53,065 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:53,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-31 21:06:53,066 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:53,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:53,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1226747417, now seen corresponding path program 27 times [2022-01-31 21:06:53,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:53,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [790756225] [2022-01-31 21:06:53,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:53,069 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:53,069 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:53,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:53,071 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:53,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:53,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:53,928 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:53,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [790756225] [2022-01-31 21:06:53,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [790756225] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:53,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:53,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2022-01-31 21:06:53,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367201512] [2022-01-31 21:06:53,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:53,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-01-31 21:06:53,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:53,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-01-31 21:06:53,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1885, Unknown=0, NotChecked=0, Total=1980 [2022-01-31 21:06:53,929 INFO L87 Difference]: Start difference. First operand 184 states and 184 transitions. Second operand has 45 states, 45 states have (on average 4.0) internal successors, (180), 44 states have internal predecessors, (180), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:56,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:06:56,706 INFO L93 Difference]: Finished difference Result 195 states and 195 transitions. [2022-01-31 21:06:56,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-31 21:06:56,706 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 4.0) internal successors, (180), 44 states have internal predecessors, (180), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 183 [2022-01-31 21:06:56,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:06:56,707 INFO L225 Difference]: With dead ends: 195 [2022-01-31 21:06:56,707 INFO L226 Difference]: Without dead ends: 192 [2022-01-31 21:06:56,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=231, Invalid=5931, Unknown=0, NotChecked=0, Total=6162 [2022-01-31 21:06:56,708 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 101 mSDsluCounter, 1788 mSDsCounter, 0 mSdLazyCounter, 5969 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 1835 SdHoareTripleChecker+Invalid, 6041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 5969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-01-31 21:06:56,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 1835 Invalid, 6041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 5969 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-01-31 21:06:56,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-01-31 21:06:56,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 189. [2022-01-31 21:06:56,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 185 states have (on average 1.0054054054054054) internal successors, (186), 185 states have internal predecessors, (186), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:56,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 189 transitions. [2022-01-31 21:06:56,724 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 189 transitions. Word has length 183 [2022-01-31 21:06:56,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:06:56,724 INFO L470 AbstractCegarLoop]: Abstraction has 189 states and 189 transitions. [2022-01-31 21:06:56,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.0) internal successors, (180), 44 states have internal predecessors, (180), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:06:56,724 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 189 transitions. [2022-01-31 21:06:56,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-01-31 21:06:56,725 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:06:56,725 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:06:56,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-31 21:06:56,725 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:06:56,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:06:56,725 INFO L85 PathProgramCache]: Analyzing trace with hash -540064774, now seen corresponding path program 28 times [2022-01-31 21:06:56,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:06:56,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [25523269] [2022-01-31 21:06:56,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:06:56,728 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:06:56,728 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:06:56,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:06:56,730 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:06:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:57,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:06:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:06:57,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:06:57,648 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:06:57,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [25523269] [2022-01-31 21:06:57,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [25523269] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:06:57,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:06:57,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [46] imperfect sequences [] total 46 [2022-01-31 21:06:57,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429705946] [2022-01-31 21:06:57,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:06:57,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-01-31 21:06:57,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:06:57,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-01-31 21:06:57,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1973, Unknown=0, NotChecked=0, Total=2070 [2022-01-31 21:06:57,650 INFO L87 Difference]: Start difference. First operand 189 states and 189 transitions. Second operand has 46 states, 46 states have (on average 4.021739130434782) internal successors, (185), 45 states have internal predecessors, (185), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:07:00,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:07:00,405 INFO L93 Difference]: Finished difference Result 200 states and 200 transitions. [2022-01-31 21:07:00,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-31 21:07:00,406 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 4.021739130434782) internal successors, (185), 45 states have internal predecessors, (185), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 188 [2022-01-31 21:07:00,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:07:00,407 INFO L225 Difference]: With dead ends: 200 [2022-01-31 21:07:00,407 INFO L226 Difference]: Without dead ends: 197 [2022-01-31 21:07:00,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 736 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=237, Invalid=6243, Unknown=0, NotChecked=0, Total=6480 [2022-01-31 21:07:00,408 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 104 mSDsluCounter, 1754 mSDsCounter, 0 mSdLazyCounter, 5846 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1802 SdHoareTripleChecker+Invalid, 5920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 5846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-01-31 21:07:00,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 1802 Invalid, 5920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 5846 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-01-31 21:07:00,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-01-31 21:07:00,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 194. [2022-01-31 21:07:00,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 190 states have (on average 1.0052631578947369) internal successors, (191), 190 states have internal predecessors, (191), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:07:00,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 194 transitions. [2022-01-31 21:07:00,425 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 194 transitions. Word has length 188 [2022-01-31 21:07:00,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:07:00,425 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 194 transitions. [2022-01-31 21:07:00,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 4.021739130434782) internal successors, (185), 45 states have internal predecessors, (185), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:07:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 194 transitions. [2022-01-31 21:07:00,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-31 21:07:00,426 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:07:00,426 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:07:00,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-31 21:07:00,426 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:07:00,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:07:00,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1188678983, now seen corresponding path program 29 times [2022-01-31 21:07:00,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:07:00,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1071999402] [2022-01-31 21:07:00,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:07:00,429 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:07:00,429 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:07:00,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:07:00,431 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:07:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:07:01,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:07:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:07:01,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:07:01,468 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:07:01,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1071999402] [2022-01-31 21:07:01,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1071999402] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:07:01,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:07:01,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2022-01-31 21:07:01,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393858388] [2022-01-31 21:07:01,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:07:01,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-01-31 21:07:01,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:07:01,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-01-31 21:07:01,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=2063, Unknown=0, NotChecked=0, Total=2162 [2022-01-31 21:07:01,470 INFO L87 Difference]: Start difference. First operand 194 states and 194 transitions. Second operand has 47 states, 47 states have (on average 4.042553191489362) internal successors, (190), 46 states have internal predecessors, (190), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:07:04,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:07:04,454 INFO L93 Difference]: Finished difference Result 205 states and 205 transitions. [2022-01-31 21:07:04,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-31 21:07:04,454 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 4.042553191489362) internal successors, (190), 46 states have internal predecessors, (190), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 193 [2022-01-31 21:07:04,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:07:04,455 INFO L225 Difference]: With dead ends: 205 [2022-01-31 21:07:04,455 INFO L226 Difference]: Without dead ends: 202 [2022-01-31 21:07:04,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=243, Invalid=6563, Unknown=0, NotChecked=0, Total=6806 [2022-01-31 21:07:04,456 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 104 mSDsluCounter, 1923 mSDsCounter, 0 mSdLazyCounter, 6456 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1972 SdHoareTripleChecker+Invalid, 6532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 6456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-01-31 21:07:04,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 1972 Invalid, 6532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 6456 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-01-31 21:07:04,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2022-01-31 21:07:04,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 199. [2022-01-31 21:07:04,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 195 states have (on average 1.005128205128205) internal successors, (196), 195 states have internal predecessors, (196), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:07:04,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 199 transitions. [2022-01-31 21:07:04,475 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 199 transitions. Word has length 193 [2022-01-31 21:07:04,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:07:04,475 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 199 transitions. [2022-01-31 21:07:04,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 4.042553191489362) internal successors, (190), 46 states have internal predecessors, (190), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:07:04,475 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 199 transitions. [2022-01-31 21:07:04,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-01-31 21:07:04,476 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:07:04,476 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:07:04,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-31 21:07:04,476 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:07:04,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:07:04,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1394498726, now seen corresponding path program 30 times [2022-01-31 21:07:04,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:07:04,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [306171992] [2022-01-31 21:07:04,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:07:04,479 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:07:04,479 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:07:04,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:07:04,481 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:07:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:07:05,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:07:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:07:05,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:07:05,410 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:07:05,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [306171992] [2022-01-31 21:07:05,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [306171992] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:07:05,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:07:05,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [48] imperfect sequences [] total 48 [2022-01-31 21:07:05,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712192152] [2022-01-31 21:07:05,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:07:05,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-01-31 21:07:05,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:07:05,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-01-31 21:07:05,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=2155, Unknown=0, NotChecked=0, Total=2256 [2022-01-31 21:07:05,411 INFO L87 Difference]: Start difference. First operand 199 states and 199 transitions. Second operand has 48 states, 48 states have (on average 4.0625) internal successors, (195), 47 states have internal predecessors, (195), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:07:08,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:07:08,526 INFO L93 Difference]: Finished difference Result 210 states and 210 transitions. [2022-01-31 21:07:08,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-31 21:07:08,527 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 4.0625) internal successors, (195), 47 states have internal predecessors, (195), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 198 [2022-01-31 21:07:08,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:07:08,527 INFO L225 Difference]: With dead ends: 210 [2022-01-31 21:07:08,528 INFO L226 Difference]: Without dead ends: 207 [2022-01-31 21:07:08,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 815 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=249, Invalid=6891, Unknown=0, NotChecked=0, Total=7140 [2022-01-31 21:07:08,528 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 109 mSDsluCounter, 1966 mSDsCounter, 0 mSdLazyCounter, 6627 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 2016 SdHoareTripleChecker+Invalid, 6705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 6627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-01-31 21:07:08,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 2016 Invalid, 6705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 6627 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-01-31 21:07:08,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-01-31 21:07:08,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 204. [2022-01-31 21:07:08,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 200 states have (on average 1.005) internal successors, (201), 200 states have internal predecessors, (201), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:07:08,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 204 transitions. [2022-01-31 21:07:08,548 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 204 transitions. Word has length 198 [2022-01-31 21:07:08,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:07:08,548 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 204 transitions. [2022-01-31 21:07:08,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.0625) internal successors, (195), 47 states have internal predecessors, (195), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:07:08,548 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 204 transitions. [2022-01-31 21:07:08,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-01-31 21:07:08,548 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:07:08,549 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:07:08,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-31 21:07:08,549 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:07:08,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:07:08,549 INFO L85 PathProgramCache]: Analyzing trace with hash 126381913, now seen corresponding path program 31 times [2022-01-31 21:07:08,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:07:08,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [755409972] [2022-01-31 21:07:08,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:07:08,552 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:07:08,552 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:07:08,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:07:08,556 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:07:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:07:09,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:07:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:07:09,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:07:09,564 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:07:09,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [755409972] [2022-01-31 21:07:09,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [755409972] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:07:09,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:07:09,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [] total 49 [2022-01-31 21:07:09,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026340422] [2022-01-31 21:07:09,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:07:09,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-01-31 21:07:09,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:07:09,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-01-31 21:07:09,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2249, Unknown=0, NotChecked=0, Total=2352 [2022-01-31 21:07:09,566 INFO L87 Difference]: Start difference. First operand 204 states and 204 transitions. Second operand has 49 states, 49 states have (on average 4.081632653061225) internal successors, (200), 48 states have internal predecessors, (200), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:07:12,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:07:12,757 INFO L93 Difference]: Finished difference Result 215 states and 215 transitions. [2022-01-31 21:07:12,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-31 21:07:12,757 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 4.081632653061225) internal successors, (200), 48 states have internal predecessors, (200), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 203 [2022-01-31 21:07:12,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:07:12,758 INFO L225 Difference]: With dead ends: 215 [2022-01-31 21:07:12,758 INFO L226 Difference]: Without dead ends: 212 [2022-01-31 21:07:12,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=255, Invalid=7227, Unknown=0, NotChecked=0, Total=7482 [2022-01-31 21:07:12,760 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 109 mSDsluCounter, 2018 mSDsCounter, 0 mSdLazyCounter, 6801 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 2069 SdHoareTripleChecker+Invalid, 6881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 6801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 21:07:12,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 2069 Invalid, 6881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 6801 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 21:07:12,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-01-31 21:07:12,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 209. [2022-01-31 21:07:12,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 205 states have (on average 1.0048780487804878) internal successors, (206), 205 states have internal predecessors, (206), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:07:12,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 209 transitions. [2022-01-31 21:07:12,800 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 209 transitions. Word has length 203 [2022-01-31 21:07:12,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:07:12,800 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 209 transitions. [2022-01-31 21:07:12,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 4.081632653061225) internal successors, (200), 48 states have internal predecessors, (200), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:07:12,800 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 209 transitions. [2022-01-31 21:07:12,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-01-31 21:07:12,801 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:07:12,801 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:07:12,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-31 21:07:12,801 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:07:12,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:07:12,802 INFO L85 PathProgramCache]: Analyzing trace with hash 2139900602, now seen corresponding path program 32 times [2022-01-31 21:07:12,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:07:12,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543688509] [2022-01-31 21:07:12,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:07:12,804 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:07:12,804 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:07:12,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:07:12,806 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:07:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:07:13,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:07:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:07:13,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:07:13,812 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:07:13,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [543688509] [2022-01-31 21:07:13,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [543688509] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:07:13,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:07:13,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [50] imperfect sequences [] total 50 [2022-01-31 21:07:13,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629501222] [2022-01-31 21:07:13,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:07:13,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-01-31 21:07:13,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:07:13,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-01-31 21:07:13,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=2345, Unknown=0, NotChecked=0, Total=2450 [2022-01-31 21:07:13,814 INFO L87 Difference]: Start difference. First operand 209 states and 209 transitions. Second operand has 50 states, 50 states have (on average 4.1) internal successors, (205), 49 states have internal predecessors, (205), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:07:17,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:07:17,124 INFO L93 Difference]: Finished difference Result 220 states and 220 transitions. [2022-01-31 21:07:17,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-31 21:07:17,124 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 4.1) internal successors, (205), 49 states have internal predecessors, (205), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 208 [2022-01-31 21:07:17,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:07:17,125 INFO L225 Difference]: With dead ends: 220 [2022-01-31 21:07:17,125 INFO L226 Difference]: Without dead ends: 217 [2022-01-31 21:07:17,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=261, Invalid=7571, Unknown=0, NotChecked=0, Total=7832 [2022-01-31 21:07:17,126 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 113 mSDsluCounter, 2106 mSDsCounter, 0 mSdLazyCounter, 7134 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 2158 SdHoareTripleChecker+Invalid, 7216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 7134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 21:07:17,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 2158 Invalid, 7216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 7134 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 21:07:17,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-01-31 21:07:17,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 214. [2022-01-31 21:07:17,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 210 states have (on average 1.0047619047619047) internal successors, (211), 210 states have internal predecessors, (211), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:07:17,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 214 transitions. [2022-01-31 21:07:17,147 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 214 transitions. Word has length 208 [2022-01-31 21:07:17,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:07:17,147 INFO L470 AbstractCegarLoop]: Abstraction has 214 states and 214 transitions. [2022-01-31 21:07:17,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.1) internal successors, (205), 49 states have internal predecessors, (205), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:07:17,147 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 214 transitions. [2022-01-31 21:07:17,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-01-31 21:07:17,148 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:07:17,148 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:07:17,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-31 21:07:17,148 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:07:17,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:07:17,148 INFO L85 PathProgramCache]: Analyzing trace with hash -331389959, now seen corresponding path program 33 times [2022-01-31 21:07:17,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:07:17,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1591951296] [2022-01-31 21:07:17,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:07:17,151 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 21:07:17,151 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 21:07:17,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:07:17,153 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:07:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:07:19,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:07:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:07:19,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:07:19,071 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:07:19,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1591951296] [2022-01-31 21:07:19,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1591951296] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:07:19,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:07:19,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [52] imperfect sequences [] total 52 [2022-01-31 21:07:19,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18472475] [2022-01-31 21:07:19,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:07:19,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-01-31 21:07:19,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:07:19,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-01-31 21:07:19,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=2546, Unknown=0, NotChecked=0, Total=2652 [2022-01-31 21:07:19,072 INFO L87 Difference]: Start difference. First operand 214 states and 214 transitions. Second operand has 52 states, 52 states have (on average 4.038461538461538) internal successors, (210), 51 states have internal predecessors, (210), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:07:21,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:07:21,741 INFO L93 Difference]: Finished difference Result 216 states and 216 transitions. [2022-01-31 21:07:21,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-31 21:07:21,741 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 4.038461538461538) internal successors, (210), 51 states have internal predecessors, (210), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 213 [2022-01-31 21:07:21,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:07:21,741 INFO L225 Difference]: With dead ends: 216 [2022-01-31 21:07:21,741 INFO L226 Difference]: Without dead ends: 0 [2022-01-31 21:07:21,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=118, Invalid=2744, Unknown=0, NotChecked=0, Total=2862 [2022-01-31 21:07:21,742 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 20 mSDsluCounter, 3673 mSDsCounter, 0 mSdLazyCounter, 6163 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 3759 SdHoareTripleChecker+Invalid, 6169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 6163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-01-31 21:07:21,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 3759 Invalid, 6169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 6163 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-01-31 21:07:21,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-31 21:07:21,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-31 21:07:21,743 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) [2022-01-31 21:07:21,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-31 21:07:21,743 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2022-01-31 21:07:21,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:07:21,743 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-31 21:07:21,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 4.038461538461538) internal successors, (210), 51 states have internal predecessors, (210), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:07:21,743 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-31 21:07:21,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-31 21:07:21,745 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 21:07:21,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-31 21:07:21,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-31 21:07:27,380 INFO L858 garLoopResultBuilder]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2022-01-31 21:07:27,381 INFO L858 garLoopResultBuilder]: For program point reach_errorENTRY(line 4) no Hoare annotation was computed. [2022-01-31 21:07:27,381 INFO L858 garLoopResultBuilder]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2022-01-31 21:07:27,381 INFO L854 garLoopResultBuilder]: At program point L225(lines 225 604) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 1) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= 1 main_~Id_MCDC_89__Id_MCDC_96~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9)) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,381 INFO L854 garLoopResultBuilder]: At program point L192(lines 192 622) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (= main_~Id_MCDC_89__Id_MCDC_96~0 0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9)) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,381 INFO L854 garLoopResultBuilder]: At program point L448(lines 408 481) the Hoare annotation is: (let ((.cse2 (+ (div ~Id_MCDC_93~0 4294967296) 1))) (let ((.cse0 (< 0 .cse2)) (.cse1 (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0))) (or (and (<= ~Id_MCDC_93~0 33) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 33) (<= 33 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= ~Id_MCDC_93~0 30) (<= main_~Id_MCDC_89__Id_MCDC_96~0 30) .cse1 (<= 30 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= 26 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 26) (<= main_~Id_MCDC_89__Id_MCDC_96~0 26) .cse1) (and (<= 17 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 17) (<= ~Id_MCDC_93~0 17) .cse1) (and (<= ~Id_MCDC_93~0 14) .cse0 (<= 14 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 14) .cse1) (and (<= ~Id_MCDC_93~0 38) .cse0 (<= 38 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 38) .cse1) (and (<= ~Id_MCDC_93~0 10) .cse0 (<= 10 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 10) .cse1) (and .cse0 (<= 27 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 27) (<= main_~Id_MCDC_89__Id_MCDC_96~0 27) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 28) .cse0 (<= 28 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 28) .cse1) (and .cse0 (<= 32 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 32) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 32)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 25) (<= 25 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 25) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 20) (<= 20 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 20) .cse0 .cse1) (and .cse0 (<= ~Id_MCDC_93~0 21) (<= 21 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 21) .cse1) (and (<= ~Id_MCDC_93~0 37) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 37) .cse1 (<= 37 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (<= 24 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 24) (<= ~Id_MCDC_93~0 24) .cse1) (and (<= 18 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 18) .cse1 (<= ~Id_MCDC_93~0 18)) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 29) (<= 29 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1 (<= ~Id_MCDC_93~0 29)) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 39) (<= ~Id_MCDC_93~0 39) .cse1 (<= 39 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= ~Id_MCDC_93~0 41) (<= 41 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 41) (not (<= .cse2 0)) .cse1) (and (<= ~Id_MCDC_93~0 12) (<= 12 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 12) .cse1) (and (<= 23 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 23) (<= main_~Id_MCDC_89__Id_MCDC_96~0 23) .cse0 .cse1) (and (<= ~Id_MCDC_93~0 31) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 31) (<= 31 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 34) (<= ~Id_MCDC_93~0 34) .cse0 (<= 34 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= 22 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 22) (<= ~Id_MCDC_93~0 22) .cse1) (and (<= 35 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 35) (<= ~Id_MCDC_93~0 35) .cse1) (not (<= |old(~Id_MCDC_93~0)| 9)) (and .cse0 (<= ~Id_MCDC_93~0 11) (<= 11 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 11) .cse1) (and (<= 19 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 19) (<= main_~Id_MCDC_89__Id_MCDC_96~0 19) .cse0 .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 13) .cse0 (<= 13 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 13) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 36) .cse0 (<= ~Id_MCDC_93~0 36) (<= 36 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 9) .cse0 .cse1 (<= 9 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 9)) (and (<= ~Id_MCDC_93~0 16) (<= 16 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 16) .cse0 .cse1) (and .cse0 (<= ~Id_MCDC_93~0 15) (<= 15 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 15) .cse1) (and .cse0 (<= 40 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 40) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 40))))) [2022-01-31 21:07:27,381 INFO L861 garLoopResultBuilder]: At program point mainEXIT(lines 136 636) the Hoare annotation is: true [2022-01-31 21:07:27,381 INFO L854 garLoopResultBuilder]: At program point L184(lines 184 628) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (= main_~Id_MCDC_89__Id_MCDC_96~0 0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9)) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,381 INFO L854 garLoopResultBuilder]: At program point L440(lines 440 453) the Hoare annotation is: (let ((.cse2 (div ~Id_MCDC_93~0 4294967296))) (let ((.cse3 (+ .cse2 1))) (let ((.cse0 (< 0 .cse3)) (.cse1 (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0))) (or (and .cse0 (<= 27 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 27) (<= ~Id_MCDC_93~0 28) .cse1) (and (<= 26 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 27) (<= main_~Id_MCDC_89__Id_MCDC_96~0 26) .cse1) (and (<= ~Id_MCDC_93~0 23) (<= 22 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 22) .cse1) (and (<= ~Id_MCDC_93~0 34) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 33) (<= 33 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 39) (<= ~Id_MCDC_93~0 40) .cse1 (<= 39 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 13) (<= ~Id_MCDC_93~0 14) .cse0 (<= 13 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= ~Id_MCDC_93~0 31) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 30) .cse1 (<= 30 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= 17 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 17) .cse1 (<= ~Id_MCDC_93~0 18)) (and (= ~Id_MCDC_93~0 (+ (* 4294967296 .cse2) 41)) (<= 41 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 41) (= |main_#t~mem55| 0) .cse1) (and (<= ~Id_MCDC_93~0 37) (<= main_~Id_MCDC_89__Id_MCDC_96~0 36) .cse0 (<= 36 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 31) (<= ~Id_MCDC_93~0 32) (<= 31 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= ~Id_MCDC_93~0 38) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 37) .cse1 (<= 37 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= 16 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 16) .cse0 (<= ~Id_MCDC_93~0 17) .cse1) (and (<= ~Id_MCDC_93~0 16) .cse0 (<= 15 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 15) .cse1) (and .cse0 (<= 21 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 22) (<= main_~Id_MCDC_89__Id_MCDC_96~0 21) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 20) (<= 20 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 21) .cse1) (and .cse0 (<= 38 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 38) (<= ~Id_MCDC_93~0 39) .cse1) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (<= ~Id_MCDC_93~0 41) (<= 40 main_~Id_MCDC_89__Id_MCDC_96~0) (not (<= .cse3 0)) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 40)) (and .cse0 (<= 24 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 24) (<= ~Id_MCDC_93~0 25) .cse1) (and (<= 23 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 23) .cse0 (<= ~Id_MCDC_93~0 24) .cse1) (and (<= 19 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 20) (<= main_~Id_MCDC_89__Id_MCDC_96~0 19) .cse0 .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 25) (<= ~Id_MCDC_93~0 26) (<= 25 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= ~Id_MCDC_93~0 11) (<= 10 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 10) .cse1) (and (<= ~Id_MCDC_93~0 33) .cse0 (<= 32 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 32)) (and .cse0 (<= ~Id_MCDC_93~0 30) (<= main_~Id_MCDC_89__Id_MCDC_96~0 29) (<= 29 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 34) .cse0 (<= ~Id_MCDC_93~0 35) (<= 34 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 28) .cse0 (<= 28 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1 (<= ~Id_MCDC_93~0 29)) (not (<= |old(~Id_MCDC_93~0)| 9)) (and (<= 12 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 12) (<= ~Id_MCDC_93~0 13) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 9) (<= ~Id_MCDC_93~0 10) .cse0 .cse1 (<= 9 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= 18 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 19) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 18) .cse1) (and (<= 35 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 35) (<= ~Id_MCDC_93~0 36) .cse1) (and .cse0 (<= 14 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 15) (<= main_~Id_MCDC_89__Id_MCDC_96~0 14) .cse1) (and (<= ~Id_MCDC_93~0 12) .cse0 (<= 11 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 11) .cse1))))) [2022-01-31 21:07:27,381 INFO L854 garLoopResultBuilder]: At program point L407(lines 407 485) the Hoare annotation is: (or (and (<= 8 ~Id_MCDC_93~0) (<= ~Id_MCDC_93~0 8) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,381 INFO L854 garLoopResultBuilder]: At program point L374(lines 374 503) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (<= 7 main_~Id_MCDC_89__Id_MCDC_96~0) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= main_~Id_MCDC_89__Id_MCDC_96~0 7) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9)) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,382 INFO L854 garLoopResultBuilder]: At program point L465(lines 465 473) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,382 INFO L854 garLoopResultBuilder]: At program point L366(lines 366 509) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (<= 7 main_~Id_MCDC_89__Id_MCDC_96~0) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= main_~Id_MCDC_89__Id_MCDC_96~0 7) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9)) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,382 INFO L854 garLoopResultBuilder]: At program point L234(lines 234 599) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (<= ~Id_MCDC_93~0 2) (<= 2 ~Id_MCDC_93~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,382 INFO L854 garLoopResultBuilder]: At program point L251(lines 251 587) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (<= ~Id_MCDC_93~0 2) (<= 2 ~Id_MCDC_93~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,382 INFO L854 garLoopResultBuilder]: At program point L218(lines 218 605) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 1) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= 1 main_~Id_MCDC_89__Id_MCDC_96~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9)) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,382 INFO L854 garLoopResultBuilder]: At program point L210(lines 210 611) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 1) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= 1 main_~Id_MCDC_89__Id_MCDC_96~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9)) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,382 INFO L854 garLoopResultBuilder]: At program point L433(lines 433 454) the Hoare annotation is: (let ((.cse3 (div ~Id_MCDC_93~0 4294967296))) (let ((.cse2 (+ .cse3 1))) (let ((.cse0 (< 0 .cse2)) (.cse1 (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0))) (or (and .cse0 (<= 27 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 27) (<= ~Id_MCDC_93~0 28) .cse1) (and (<= 26 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 27) (<= main_~Id_MCDC_89__Id_MCDC_96~0 26) .cse1) (and (<= ~Id_MCDC_93~0 23) (<= 22 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 22) .cse1) (and (<= ~Id_MCDC_93~0 34) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 33) (<= 33 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 39) (<= ~Id_MCDC_93~0 40) .cse1 (<= 39 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 13) (<= ~Id_MCDC_93~0 14) .cse0 (<= 13 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= ~Id_MCDC_93~0 31) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 30) .cse1 (<= 30 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= 17 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 17) .cse1 (<= ~Id_MCDC_93~0 18)) (and (<= ~Id_MCDC_93~0 37) (<= main_~Id_MCDC_89__Id_MCDC_96~0 36) .cse0 (<= 36 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 31) (<= ~Id_MCDC_93~0 32) (<= 31 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= ~Id_MCDC_93~0 38) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 37) .cse1 (<= 37 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= 16 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 16) .cse0 (<= ~Id_MCDC_93~0 17) .cse1) (and (<= ~Id_MCDC_93~0 16) .cse0 (<= 15 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 15) .cse1) (and .cse0 (<= 21 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 22) (<= main_~Id_MCDC_89__Id_MCDC_96~0 21) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 20) (<= 20 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 21) .cse1) (and .cse0 (<= 38 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 38) (<= ~Id_MCDC_93~0 39) .cse1) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (<= ~Id_MCDC_93~0 41) (<= 40 main_~Id_MCDC_89__Id_MCDC_96~0) (not (<= .cse2 0)) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 40)) (and .cse0 (<= 24 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 24) (<= ~Id_MCDC_93~0 25) .cse1) (and (<= 23 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 23) .cse0 (<= ~Id_MCDC_93~0 24) .cse1) (and (<= 19 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 20) (<= main_~Id_MCDC_89__Id_MCDC_96~0 19) .cse0 .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 25) (<= ~Id_MCDC_93~0 26) (<= 25 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= ~Id_MCDC_93~0 11) (<= 10 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 10) .cse1) (and (<= ~Id_MCDC_93~0 33) .cse0 (<= 32 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 32)) (and .cse0 (<= ~Id_MCDC_93~0 30) (<= main_~Id_MCDC_89__Id_MCDC_96~0 29) (<= 29 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 34) .cse0 (<= ~Id_MCDC_93~0 35) (<= 34 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 28) .cse0 (<= 28 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1 (<= ~Id_MCDC_93~0 29)) (not (<= |old(~Id_MCDC_93~0)| 9)) (and (<= 12 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 12) (<= ~Id_MCDC_93~0 13) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 9) (<= ~Id_MCDC_93~0 10) .cse0 .cse1 (<= 9 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= 18 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 19) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 18) .cse1) (and (<= 35 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 35) (<= ~Id_MCDC_93~0 36) .cse1) (and .cse0 (<= 14 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 15) (<= main_~Id_MCDC_89__Id_MCDC_96~0 14) .cse1) (and (<= ~Id_MCDC_93~0 12) .cse0 (<= 11 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 11) .cse1) (and (= ~Id_MCDC_93~0 (+ (* 4294967296 .cse3) 41)) (<= 41 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 41) .cse1))))) [2022-01-31 21:07:27,382 INFO L854 garLoopResultBuilder]: At program point L400(lines 400 486) the Hoare annotation is: (or (and (<= 8 ~Id_MCDC_93~0) (<= ~Id_MCDC_93~0 8) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,382 INFO L854 garLoopResultBuilder]: At program point L425(lines 425 475) the Hoare annotation is: (let ((.cse2 (div ~Id_MCDC_93~0 4294967296))) (let ((.cse3 (+ .cse2 1))) (let ((.cse0 (< 0 .cse3)) (.cse1 (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0))) (or (and (<= ~Id_MCDC_93~0 33) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 33) (<= 33 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= ~Id_MCDC_93~0 30) (<= main_~Id_MCDC_89__Id_MCDC_96~0 30) .cse1 (<= 30 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= 26 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 26) (<= main_~Id_MCDC_89__Id_MCDC_96~0 26) .cse1) (and (= ~Id_MCDC_93~0 (+ (* 4294967296 .cse2) 41)) (<= ~Id_MCDC_93~0 41) (<= 41 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 41) (not (<= .cse3 0)) .cse1) (and (<= 17 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 17) (<= ~Id_MCDC_93~0 17) .cse1) (and (<= ~Id_MCDC_93~0 14) .cse0 (<= 14 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 14) .cse1) (and (<= ~Id_MCDC_93~0 38) .cse0 (<= 38 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 38) .cse1) (and (<= ~Id_MCDC_93~0 10) .cse0 (<= 10 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 10) .cse1) (and .cse0 (<= 27 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 27) (<= main_~Id_MCDC_89__Id_MCDC_96~0 27) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 28) .cse0 (<= 28 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 28) .cse1) (and .cse0 (<= 32 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 32) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 32)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 25) (<= 25 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 25) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 20) (<= 20 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 20) .cse0 .cse1) (and .cse0 (<= ~Id_MCDC_93~0 21) (<= 21 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 21) .cse1) (and (<= ~Id_MCDC_93~0 37) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 37) .cse1 (<= 37 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (<= 24 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 24) (<= ~Id_MCDC_93~0 24) .cse1) (and (<= 18 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 18) .cse1 (<= ~Id_MCDC_93~0 18)) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 29) (<= 29 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1 (<= ~Id_MCDC_93~0 29)) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 39) (<= ~Id_MCDC_93~0 39) .cse1 (<= 39 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= ~Id_MCDC_93~0 12) (<= 12 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 12) .cse1) (and (<= 23 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 23) (<= main_~Id_MCDC_89__Id_MCDC_96~0 23) .cse0 .cse1) (and (<= ~Id_MCDC_93~0 31) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 31) (<= 31 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 34) (<= ~Id_MCDC_93~0 34) .cse0 (<= 34 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= 22 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 22) (<= ~Id_MCDC_93~0 22) .cse1) (and (<= 35 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 35) (<= ~Id_MCDC_93~0 35) .cse1) (not (<= |old(~Id_MCDC_93~0)| 9)) (and .cse0 (<= ~Id_MCDC_93~0 11) (<= 11 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 11) .cse1) (and (<= 19 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 19) (<= main_~Id_MCDC_89__Id_MCDC_96~0 19) .cse0 .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 13) .cse0 (<= 13 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 13) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 36) .cse0 (<= ~Id_MCDC_93~0 36) (<= 36 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 9) .cse0 .cse1 (<= 9 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 9)) (and (<= ~Id_MCDC_93~0 16) (<= 16 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 16) .cse0 .cse1) (and .cse0 (<= ~Id_MCDC_93~0 15) (<= 15 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 15) .cse1) (and .cse0 (<= 40 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 40) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 40)))))) [2022-01-31 21:07:27,382 INFO L854 garLoopResultBuilder]: At program point L392(lines 392 492) the Hoare annotation is: (or (and (<= 8 ~Id_MCDC_93~0) (<= ~Id_MCDC_93~0 8) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,382 INFO L854 garLoopResultBuilder]: At program point L260(lines 260 582) the Hoare annotation is: (or (and (<= ~Id_MCDC_93~0 3) (<= 3 ~Id_MCDC_93~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,383 INFO L854 garLoopResultBuilder]: At program point L277(lines 277 570) the Hoare annotation is: (or (and (<= ~Id_MCDC_93~0 3) (<= 3 ~Id_MCDC_93~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,383 INFO L854 garLoopResultBuilder]: At program point L244(lines 244 588) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (<= ~Id_MCDC_93~0 2) (<= 2 ~Id_MCDC_93~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,383 INFO L854 garLoopResultBuilder]: At program point L467(line 467) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,383 INFO L861 garLoopResultBuilder]: At program point mainFINAL(lines 136 636) the Hoare annotation is: true [2022-01-31 21:07:27,383 INFO L854 garLoopResultBuilder]: At program point L236(lines 236 594) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (<= ~Id_MCDC_93~0 2) (<= 2 ~Id_MCDC_93~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,383 INFO L854 garLoopResultBuilder]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 467) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,383 INFO L854 garLoopResultBuilder]: At program point L286(lines 286 565) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9)) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 4) (<= 4 main_~Id_MCDC_89__Id_MCDC_96~0) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9))) [2022-01-31 21:07:27,383 INFO L854 garLoopResultBuilder]: At program point mainENTRY(lines 136 636) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (= ~__tmp_1075_0~0 |old(~__tmp_1075_0~0)|) (= ~__tmp_1075_1~0 |old(~__tmp_1075_1~0)|) (= ~__tmp_1075_2~0.offset |old(~__tmp_1075_2~0.offset)|) (= ~Id_MCDC_93~0 |old(~Id_MCDC_93~0)|) (= |old(~__tmp_1075_2~0.base)| ~__tmp_1075_2~0.base)) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,383 INFO L854 garLoopResultBuilder]: At program point L303(lines 303 553) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9)) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 4) (<= 4 main_~Id_MCDC_89__Id_MCDC_96~0) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9))) [2022-01-31 21:07:27,383 INFO L854 garLoopResultBuilder]: At program point L270(lines 270 571) the Hoare annotation is: (or (and (<= ~Id_MCDC_93~0 3) (<= 3 ~Id_MCDC_93~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,383 INFO L854 garLoopResultBuilder]: At program point L262(lines 262 577) the Hoare annotation is: (or (and (<= ~Id_MCDC_93~0 3) (<= 3 ~Id_MCDC_93~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,383 INFO L854 garLoopResultBuilder]: At program point L312(lines 312 548) the Hoare annotation is: (or (and (<= ~Id_MCDC_93~0 5) (<= 5 ~Id_MCDC_93~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,383 INFO L854 garLoopResultBuilder]: At program point L329(lines 329 536) the Hoare annotation is: (or (and (<= ~Id_MCDC_93~0 5) (<= 5 ~Id_MCDC_93~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,383 INFO L854 garLoopResultBuilder]: At program point L296(lines 296 554) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9)) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 4) (<= 4 main_~Id_MCDC_89__Id_MCDC_96~0) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9))) [2022-01-31 21:07:27,383 INFO L854 garLoopResultBuilder]: At program point L164(lines 164 635) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (= ~__tmp_1075_0~0 |old(~__tmp_1075_0~0)|) (= ~__tmp_1075_1~0 |old(~__tmp_1075_1~0)|) (= ~__tmp_1075_2~0.offset |old(~__tmp_1075_2~0.offset)|) (= ~Id_MCDC_93~0 |old(~Id_MCDC_93~0)|) (= |old(~__tmp_1075_2~0.base)| ~__tmp_1075_2~0.base)) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,384 INFO L854 garLoopResultBuilder]: At program point L288(lines 288 560) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9)) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 4) (<= 4 main_~Id_MCDC_89__Id_MCDC_96~0) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9))) [2022-01-31 21:07:27,384 INFO L854 garLoopResultBuilder]: At program point L338(lines 338 531) the Hoare annotation is: (or (and (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= main_~Id_MCDC_89__Id_MCDC_96~0 6) (<= 6 main_~Id_MCDC_89__Id_MCDC_96~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,384 INFO L854 garLoopResultBuilder]: At program point L355(lines 355 519) the Hoare annotation is: (or (and (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= main_~Id_MCDC_89__Id_MCDC_96~0 6) (<= 6 main_~Id_MCDC_89__Id_MCDC_96~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,384 INFO L854 garLoopResultBuilder]: At program point L322(lines 322 537) the Hoare annotation is: (or (and (<= ~Id_MCDC_93~0 5) (<= 5 ~Id_MCDC_93~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,384 INFO L854 garLoopResultBuilder]: At program point L314(lines 314 543) the Hoare annotation is: (or (and (<= ~Id_MCDC_93~0 5) (<= 5 ~Id_MCDC_93~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,384 INFO L854 garLoopResultBuilder]: At program point L182(lines 182 633) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (= main_~Id_MCDC_89__Id_MCDC_96~0 0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9)) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,384 INFO L854 garLoopResultBuilder]: At program point L364(lines 364 514) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (<= 7 main_~Id_MCDC_89__Id_MCDC_96~0) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= main_~Id_MCDC_89__Id_MCDC_96~0 7) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9)) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,384 INFO L854 garLoopResultBuilder]: At program point L199(lines 199 621) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (= main_~Id_MCDC_89__Id_MCDC_96~0 0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9)) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,384 INFO L854 garLoopResultBuilder]: At program point L381(lines 381 502) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (<= 7 main_~Id_MCDC_89__Id_MCDC_96~0) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= main_~Id_MCDC_89__Id_MCDC_96~0 7) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9)) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,384 INFO L854 garLoopResultBuilder]: At program point L348(lines 348 520) the Hoare annotation is: (or (and (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= main_~Id_MCDC_89__Id_MCDC_96~0 6) (<= 6 main_~Id_MCDC_89__Id_MCDC_96~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,384 INFO L854 garLoopResultBuilder]: At program point L340(lines 340 526) the Hoare annotation is: (or (and (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= main_~Id_MCDC_89__Id_MCDC_96~0 6) (<= 6 main_~Id_MCDC_89__Id_MCDC_96~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,384 INFO L854 garLoopResultBuilder]: At program point L208(lines 208 616) the Hoare annotation is: (or (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 1) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= 1 main_~Id_MCDC_89__Id_MCDC_96~0) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (<= ~Id_MCDC_93~0 9)) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,384 INFO L854 garLoopResultBuilder]: At program point L423(lines 423 480) the Hoare annotation is: (let ((.cse2 (div ~Id_MCDC_93~0 4294967296))) (let ((.cse3 (+ .cse2 1))) (let ((.cse0 (< 0 .cse3)) (.cse1 (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0))) (or (and (<= ~Id_MCDC_93~0 33) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 33) (<= 33 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= ~Id_MCDC_93~0 30) (<= main_~Id_MCDC_89__Id_MCDC_96~0 30) .cse1 (<= 30 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= 26 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 26) (<= main_~Id_MCDC_89__Id_MCDC_96~0 26) .cse1) (and (= ~Id_MCDC_93~0 (+ (* 4294967296 .cse2) 41)) (<= ~Id_MCDC_93~0 41) (<= 41 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 41) (not (<= .cse3 0)) .cse1) (and (<= 17 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 17) (<= ~Id_MCDC_93~0 17) .cse1) (and (<= ~Id_MCDC_93~0 14) .cse0 (<= 14 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 14) .cse1) (and (<= ~Id_MCDC_93~0 38) .cse0 (<= 38 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 38) .cse1) (and (<= ~Id_MCDC_93~0 10) .cse0 (<= 10 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 10) .cse1) (and .cse0 (<= 27 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 27) (<= main_~Id_MCDC_89__Id_MCDC_96~0 27) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 28) .cse0 (<= 28 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 28) .cse1) (and .cse0 (<= 32 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 32) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 32)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 25) (<= 25 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 25) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 20) (<= 20 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 20) .cse0 .cse1) (and .cse0 (<= ~Id_MCDC_93~0 21) (<= 21 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 21) .cse1) (and (<= ~Id_MCDC_93~0 37) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 37) .cse1 (<= 37 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (<= 24 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 24) (<= ~Id_MCDC_93~0 24) .cse1) (and (<= 18 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 18) .cse1 (<= ~Id_MCDC_93~0 18)) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 29) (<= 29 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1 (<= ~Id_MCDC_93~0 29)) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 39) (<= ~Id_MCDC_93~0 39) .cse1 (<= 39 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= ~Id_MCDC_93~0 12) (<= 12 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 12) .cse1) (and (<= 23 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 23) (<= main_~Id_MCDC_89__Id_MCDC_96~0 23) .cse0 .cse1) (and (<= ~Id_MCDC_93~0 31) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 31) (<= 31 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 34) (<= ~Id_MCDC_93~0 34) .cse0 (<= 34 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= 22 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 22) (<= ~Id_MCDC_93~0 22) .cse1) (and (<= 35 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 35) (<= ~Id_MCDC_93~0 35) .cse1) (not (<= |old(~Id_MCDC_93~0)| 9)) (and .cse0 (<= ~Id_MCDC_93~0 11) (<= 11 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 11) .cse1) (and (<= 19 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 19) (<= main_~Id_MCDC_89__Id_MCDC_96~0 19) .cse0 .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 13) .cse0 (<= 13 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 13) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 36) .cse0 (<= ~Id_MCDC_93~0 36) (<= 36 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 9) .cse0 .cse1 (<= 9 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 9)) (and (<= ~Id_MCDC_93~0 16) (<= 16 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 16) .cse0 .cse1) (and .cse0 (<= ~Id_MCDC_93~0 15) (<= 15 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 15) .cse1) (and .cse0 (<= 40 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 40) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 40)))))) [2022-01-31 21:07:27,384 INFO L854 garLoopResultBuilder]: At program point L390(lines 390 497) the Hoare annotation is: (or (and (<= 8 ~Id_MCDC_93~0) (<= ~Id_MCDC_93~0 8) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (not (<= |old(~Id_MCDC_93~0)| 9))) [2022-01-31 21:07:27,385 INFO L854 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: (and (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= ~Id_MCDC_93~0 9)) [2022-01-31 21:07:27,385 INFO L854 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_1075_0~0 |old(~__tmp_1075_0~0)|) (= ~__tmp_1075_1~0 |old(~__tmp_1075_1~0)|) (= ~__tmp_1075_2~0.offset |old(~__tmp_1075_2~0.offset)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~Id_MCDC_93~0 |old(~Id_MCDC_93~0)|) (= |old(~__tmp_1075_2~0.base)| ~__tmp_1075_2~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-01-31 21:07:27,385 INFO L854 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: (and (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= ~Id_MCDC_93~0 9)) [2022-01-31 21:07:27,385 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-01-31 21:07:27,385 INFO L854 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= ~Id_MCDC_93~0 9)) [2022-01-31 21:07:27,385 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-01-31 21:07:27,385 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-01-31 21:07:27,387 INFO L732 BasicCegarLoop]: Path program histogram: [33, 1] [2022-01-31 21:07:27,388 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 21:07:27,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:07:27 BoogieIcfgContainer [2022-01-31 21:07:27,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 21:07:27,408 INFO L158 Benchmark]: Toolchain (without parser) took 86696.84ms. Allocated memory was 185.6MB in the beginning and 363.9MB in the end (delta: 178.3MB). Free memory was 129.2MB in the beginning and 186.8MB in the end (delta: -57.6MB). Peak memory consumption was 199.1MB. Max. memory is 8.0GB. [2022-01-31 21:07:27,408 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 185.6MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 21:07:27,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.17ms. Allocated memory was 185.6MB in the beginning and 303.0MB in the end (delta: 117.4MB). Free memory was 128.9MB in the beginning and 265.8MB in the end (delta: -136.9MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. [2022-01-31 21:07:27,409 INFO L158 Benchmark]: Boogie Preprocessor took 48.04ms. Allocated memory is still 303.0MB. Free memory was 265.8MB in the beginning and 261.1MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-31 21:07:27,409 INFO L158 Benchmark]: RCFGBuilder took 673.19ms. Allocated memory is still 303.0MB. Free memory was 261.1MB in the beginning and 170.4MB in the end (delta: 90.7MB). Peak memory consumption was 91.2MB. Max. memory is 8.0GB. [2022-01-31 21:07:27,409 INFO L158 Benchmark]: TraceAbstraction took 85627.86ms. Allocated memory was 303.0MB in the beginning and 363.9MB in the end (delta: 60.8MB). Free memory was 169.8MB in the beginning and 186.8MB in the end (delta: -16.9MB). Peak memory consumption was 122.8MB. Max. memory is 8.0GB. [2022-01-31 21:07:27,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 185.6MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 343.17ms. Allocated memory was 185.6MB in the beginning and 303.0MB in the end (delta: 117.4MB). Free memory was 128.9MB in the beginning and 265.8MB in the end (delta: -136.9MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.04ms. Allocated memory is still 303.0MB. Free memory was 265.8MB in the beginning and 261.1MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 673.19ms. Allocated memory is still 303.0MB. Free memory was 261.1MB in the beginning and 170.4MB in the end (delta: 90.7MB). Peak memory consumption was 91.2MB. Max. memory is 8.0GB. * TraceAbstraction took 85627.86ms. Allocated memory was 303.0MB in the beginning and 363.9MB in the end (delta: 60.8MB). Free memory was 169.8MB in the beginning and 186.8MB in the end (delta: -16.9MB). Peak memory consumption was 122.8MB. 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: 467]: 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 4 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 85.6s, OverallIterations: 34, TraceHistogramMax: 34, PathProgramHistogramMax: 33, EmptinessCheckTime: 0.0s, AutomataDifference: 56.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2702 SdHoareTripleChecker+Valid, 41.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2702 mSDsluCounter, 38985 SdHoareTripleChecker+Invalid, 34.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37668 mSDsCounter, 1676 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112885 IncrementalHoareTripleChecker+Invalid, 114561 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1676 mSolverCounterUnsat, 1317 mSDtfsCounter, 112885 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1970 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 1867 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13084 ImplicationChecksByTransitivity, 29.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=33, InterpolantAutomatonStates: 1070, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 34 MinimizatonAttempts, 99 StatesRemovedByMinimization, 33 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 248 NumberOfFragments, 5773 HoareAnnotationTreeSize, 55 FomulaSimplifications, 10311 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 55 FomulaSimplificationsInter, 5972 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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: 408]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((Id_MCDC_93 <= 33 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 33) && 33 <= Id_MCDC_89__Id_MCDC_96) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && Id_MCDC_93 <= 30) && Id_MCDC_89__Id_MCDC_96 <= 30) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && 30 <= Id_MCDC_89__Id_MCDC_96)) || ((((26 <= Id_MCDC_89__Id_MCDC_96 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_93 <= 26) && Id_MCDC_89__Id_MCDC_96 <= 26) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((17 <= Id_MCDC_89__Id_MCDC_96 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 17) && Id_MCDC_93 <= 17) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_93 <= 14 && 0 < Id_MCDC_93 / 4294967296 + 1) && 14 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_96 <= 14) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_93 <= 38 && 0 < Id_MCDC_93 / 4294967296 + 1) && 38 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_96 <= 38) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_93 <= 10 && 0 < Id_MCDC_93 / 4294967296 + 1) && 10 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_96 <= 10) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && 27 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 <= 27) && Id_MCDC_89__Id_MCDC_96 <= 27) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_89__Id_MCDC_96 <= 28 && 0 < Id_MCDC_93 / 4294967296 + 1) && 28 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 <= 28) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && 32 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 <= 32) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && Id_MCDC_89__Id_MCDC_96 <= 32)) || \old(Id_MCDC_93) / 4294967296 + 1 <= 0) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && Id_MCDC_89__Id_MCDC_96 <= 25) && 25 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 <= 25) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_89__Id_MCDC_96 <= 20 && 20 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 <= 20) && 0 < Id_MCDC_93 / 4294967296 + 1) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && Id_MCDC_93 <= 21) && 21 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_96 <= 21) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_93 <= 37 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 37) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && 37 <= Id_MCDC_89__Id_MCDC_96)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && 24 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_96 <= 24) && Id_MCDC_93 <= 24) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((18 <= Id_MCDC_89__Id_MCDC_96 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 18) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && Id_MCDC_93 <= 18)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && Id_MCDC_89__Id_MCDC_96 <= 29) && 29 <= Id_MCDC_89__Id_MCDC_96) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && Id_MCDC_93 <= 29)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && Id_MCDC_89__Id_MCDC_96 <= 39) && Id_MCDC_93 <= 39) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && 39 <= Id_MCDC_89__Id_MCDC_96)) || ((((Id_MCDC_93 <= 41 && 41 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_96 <= 41) && !(Id_MCDC_93 / 4294967296 + 1 <= 0)) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_93 <= 12 && 12 <= Id_MCDC_89__Id_MCDC_96) && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 12) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((23 <= Id_MCDC_89__Id_MCDC_96 && Id_MCDC_93 <= 23) && Id_MCDC_89__Id_MCDC_96 <= 23) && 0 < Id_MCDC_93 / 4294967296 + 1) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_93 <= 31 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 31) && 31 <= Id_MCDC_89__Id_MCDC_96) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_89__Id_MCDC_96 <= 34 && Id_MCDC_93 <= 34) && 0 < Id_MCDC_93 / 4294967296 + 1) && 34 <= Id_MCDC_89__Id_MCDC_96) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((22 <= Id_MCDC_89__Id_MCDC_96 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 22) && Id_MCDC_93 <= 22) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((35 <= Id_MCDC_89__Id_MCDC_96 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 35) && Id_MCDC_93 <= 35) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || !(\old(Id_MCDC_93) <= 9)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && Id_MCDC_93 <= 11) && 11 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_96 <= 11) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((19 <= Id_MCDC_89__Id_MCDC_96 && Id_MCDC_93 <= 19) && Id_MCDC_89__Id_MCDC_96 <= 19) && 0 < Id_MCDC_93 / 4294967296 + 1) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_89__Id_MCDC_96 <= 13 && 0 < Id_MCDC_93 / 4294967296 + 1) && 13 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 <= 13) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_89__Id_MCDC_96 <= 36 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_93 <= 36) && 36 <= Id_MCDC_89__Id_MCDC_96) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_89__Id_MCDC_96 <= 9 && 0 < Id_MCDC_93 / 4294967296 + 1) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && 9 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 <= 9)) || ((((Id_MCDC_93 <= 16 && 16 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_96 <= 16) && 0 < Id_MCDC_93 / 4294967296 + 1) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && Id_MCDC_93 <= 15) && 15 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_96 <= 15) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && 40 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 <= 40) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && Id_MCDC_89__Id_MCDC_96 <= 40) - ProcedureContractResult [Line: 136]: Procedure Contract for main Derived contract for procedure main: 1 RESULT: Ultimate proved your program to be correct! [2022-01-31 21:07:27,452 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...