/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf --traceabstraction.dfs.order.used.in.por PSEUDO_LOCKSTEP --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/26_stack_cas.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 13:03:49,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 13:03:49,880 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 13:03:49,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 13:03:49,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 13:03:49,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 13:03:49,908 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 13:03:49,908 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 13:03:49,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 13:03:49,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 13:03:49,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 13:03:49,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 13:03:49,912 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 13:03:49,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 13:03:49,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 13:03:49,914 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 13:03:49,914 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 13:03:49,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 13:03:49,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 13:03:49,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 13:03:49,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 13:03:49,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 13:03:49,915 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 13:03:49,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 13:03:49,915 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 13:03:49,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 13:03:49,916 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 13:03:49,916 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 13:03:49,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 13:03:49,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 13:03:49,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 13:03:49,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 13:03:49,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 13:03:49,917 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 13:03:49,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 13:03:49,917 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 13:03:49,917 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 13:03:49,918 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 13:03:49,918 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 13:03:49,918 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 13:03:49,918 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> true [2023-11-17 13:03:50,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 13:03:50,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 13:03:50,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 13:03:50,087 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 13:03:50,087 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 13:03:50,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/26_stack_cas.i [2023-11-17 13:03:51,156 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 13:03:51,378 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 13:03:51,378 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas.i [2023-11-17 13:03:51,395 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07fe42974/5d5fc4ceb5d54dcd811c1940d8c696fc/FLAG0d64ba722 [2023-11-17 13:03:51,406 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07fe42974/5d5fc4ceb5d54dcd811c1940d8c696fc [2023-11-17 13:03:51,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 13:03:51,409 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 13:03:51,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 13:03:51,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 13:03:51,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 13:03:51,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:03:51" (1/1) ... [2023-11-17 13:03:51,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12f7dd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:03:51, skipping insertion in model container [2023-11-17 13:03:51,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:03:51" (1/1) ... [2023-11-17 13:03:51,449 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 13:03:51,709 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas.i[31294,31307] [2023-11-17 13:03:51,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 13:03:51,727 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 13:03:51,768 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas.i[31294,31307] [2023-11-17 13:03:51,770 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 13:03:51,803 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 13:03:51,803 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 13:03:51,808 INFO L206 MainTranslator]: Completed translation [2023-11-17 13:03:51,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:03:51 WrapperNode [2023-11-17 13:03:51,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 13:03:51,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 13:03:51,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 13:03:51,810 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 13:03:51,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:03:51" (1/1) ... [2023-11-17 13:03:51,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:03:51" (1/1) ... [2023-11-17 13:03:51,869 INFO L138 Inliner]: procedures = 179, calls = 49, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 189 [2023-11-17 13:03:51,869 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 13:03:51,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 13:03:51,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 13:03:51,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 13:03:51,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:03:51" (1/1) ... [2023-11-17 13:03:51,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:03:51" (1/1) ... [2023-11-17 13:03:51,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:03:51" (1/1) ... [2023-11-17 13:03:51,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:03:51" (1/1) ... [2023-11-17 13:03:51,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:03:51" (1/1) ... [2023-11-17 13:03:51,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:03:51" (1/1) ... [2023-11-17 13:03:51,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:03:51" (1/1) ... [2023-11-17 13:03:51,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:03:51" (1/1) ... [2023-11-17 13:03:51,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 13:03:51,900 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 13:03:51,900 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 13:03:51,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 13:03:51,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:03:51" (1/1) ... [2023-11-17 13:03:51,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 13:03:51,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:03:51,948 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) [2023-11-17 13:03:51,967 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 [2023-11-17 13:03:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 13:03:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-17 13:03:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-17 13:03:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 13:03:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 13:03:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 13:03:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 13:03:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 13:03:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 13:03:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 13:03:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 13:03:51,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 13:03:51,993 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 13:03:52,096 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 13:03:52,098 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 13:03:52,320 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 13:03:52,563 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 13:03:52,563 INFO L307 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-17 13:03:52,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:03:52 BoogieIcfgContainer [2023-11-17 13:03:52,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 13:03:52,566 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 13:03:52,566 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 13:03:52,568 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 13:03:52,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 01:03:51" (1/3) ... [2023-11-17 13:03:52,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c62691e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:03:52, skipping insertion in model container [2023-11-17 13:03:52,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:03:51" (2/3) ... [2023-11-17 13:03:52,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c62691e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:03:52, skipping insertion in model container [2023-11-17 13:03:52,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:03:52" (3/3) ... [2023-11-17 13:03:52,572 INFO L112 eAbstractionObserver]: Analyzing ICFG 26_stack_cas.i [2023-11-17 13:03:52,579 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 13:03:52,586 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 13:03:52,587 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 13:03:52,587 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 13:03:52,640 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-17 13:03:52,671 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 13:03:52,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 13:03:52,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:03:52,674 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 13:03:52,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-17 13:03:52,701 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 13:03:52,710 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2023-11-17 13:03:52,714 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@152296e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 13:03:52,715 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 13:03:52,837 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:03:52,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:03:52,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1789693638, now seen corresponding path program 1 times [2023-11-17 13:03:52,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:03:52,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340495020] [2023-11-17 13:03:52,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:03:52,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:03:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:03:53,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 13:03:53,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:03:53,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340495020] [2023-11-17 13:03:53,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340495020] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:03:53,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:03:53,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 13:03:53,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068072591] [2023-11-17 13:03:53,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:03:53,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 13:03:53,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:03:53,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 13:03:53,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 13:03:53,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:03:53,136 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:03:53,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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) [2023-11-17 13:03:53,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:03:53,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:03:53,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 13:03:53,175 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:03:53,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:03:53,176 INFO L85 PathProgramCache]: Analyzing trace with hash -958277829, now seen corresponding path program 1 times [2023-11-17 13:03:53,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:03:53,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714853360] [2023-11-17 13:03:53,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:03:53,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:03:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:03:53,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 13:03:53,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:03:53,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714853360] [2023-11-17 13:03:53,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714853360] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:03:53,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:03:53,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-17 13:03:53,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875530142] [2023-11-17 13:03:53,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:03:53,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-17 13:03:53,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:03:53,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-17 13:03:53,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-11-17 13:03:53,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:03:53,798 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:03:53,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 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) [2023-11-17 13:03:53,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:03:53,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:03:54,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:03:54,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:03:54,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 13:03:54,082 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:03:54,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:03:54,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1909611476, now seen corresponding path program 1 times [2023-11-17 13:03:54,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:03:54,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175208404] [2023-11-17 13:03:54,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:03:54,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:03:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:03:54,184 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 13:03:54,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:03:54,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175208404] [2023-11-17 13:03:54,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175208404] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:03:54,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58862834] [2023-11-17 13:03:54,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:03:54,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:03:54,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:03:54,203 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:03:54,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-17 13:03:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:03:54,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-17 13:03:54,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:03:54,407 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 13:03:54,407 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:03:54,455 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 13:03:54,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58862834] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:03:54,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:03:54,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-17 13:03:54,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499404332] [2023-11-17 13:03:54,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:03:54,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-17 13:03:54,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:03:54,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-17 13:03:54,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-17 13:03:54,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:03:54,458 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:03:54,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 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) [2023-11-17 13:03:54,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:03:54,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:03:54,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:03:54,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:03:54,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:03:54,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:03:54,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-17 13:03:54,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-17 13:03:54,715 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:03:54,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:03:54,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1654882807, now seen corresponding path program 1 times [2023-11-17 13:03:54,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:03:54,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984198153] [2023-11-17 13:03:54,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:03:54,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:03:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:03:55,163 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 13:03:55,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:03:55,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984198153] [2023-11-17 13:03:55,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984198153] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:03:55,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949272976] [2023-11-17 13:03:55,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:03:55,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:03:55,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:03:55,181 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:03:55,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-17 13:03:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:03:55,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-17 13:03:55,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:03:55,513 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2023-11-17 13:03:55,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2023-11-17 13:03:55,632 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 13:03:55,632 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:03:55,863 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 13:03:55,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949272976] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:03:55,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:03:55,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 6] total 27 [2023-11-17 13:03:55,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523442150] [2023-11-17 13:03:55,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:03:55,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-17 13:03:55,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:03:55,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-17 13:03:55,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=701, Unknown=6, NotChecked=0, Total=812 [2023-11-17 13:03:55,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:03:55,867 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:03:55,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 4.178571428571429) internal successors, (117), 28 states have internal predecessors, (117), 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) [2023-11-17 13:03:55,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:03:55,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:03:55,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:03:55,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:03:57,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:03:57,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:03:57,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:03:57,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-17 13:03:57,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-17 13:03:57,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:03:57,694 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:03:57,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:03:57,695 INFO L85 PathProgramCache]: Analyzing trace with hash 354417181, now seen corresponding path program 1 times [2023-11-17 13:03:57,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:03:57,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618148601] [2023-11-17 13:03:57,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:03:57,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:03:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:03:57,867 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-11-17 13:03:57,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:03:57,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618148601] [2023-11-17 13:03:57,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618148601] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:03:57,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:03:57,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 13:03:57,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392825747] [2023-11-17 13:03:57,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:03:57,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-17 13:03:57,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:03:57,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-17 13:03:57,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-17 13:03:57,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:03:57,869 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:03:57,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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) [2023-11-17 13:03:57,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:03:57,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:03:57,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:03:57,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-17 13:03:57,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:03:58,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:03:58,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:03:58,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:03:58,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-11-17 13:03:58,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:03:58,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-17 13:03:58,205 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:03:58,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:03:58,206 INFO L85 PathProgramCache]: Analyzing trace with hash -164756173, now seen corresponding path program 2 times [2023-11-17 13:03:58,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:03:58,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056796733] [2023-11-17 13:03:58,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:03:58,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:03:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:03:58,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 13:03:58,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:03:58,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056796733] [2023-11-17 13:03:58,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056796733] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:03:58,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145190200] [2023-11-17 13:03:58,509 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 13:03:58,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:03:58,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:03:58,525 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:03:58,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-17 13:03:58,619 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 13:03:58,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 13:03:58,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-17 13:03:58,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:03:58,636 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-17 13:03:58,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2023-11-17 13:03:58,690 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-17 13:03:58,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-17 13:03:58,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-17 13:03:58,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-11-17 13:03:58,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:03:58,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 13:03:58,922 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:03:59,006 INFO L349 Elim1Store]: treesize reduction 25, result has 50.0 percent of original size [2023-11-17 13:03:59,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 60 [2023-11-17 13:03:59,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2023-11-17 13:03:59,038 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 13:03:59,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 33 [2023-11-17 13:03:59,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2023-11-17 13:03:59,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 13:03:59,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145190200] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:03:59,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:03:59,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 24 [2023-11-17 13:03:59,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753789944] [2023-11-17 13:03:59,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:03:59,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-17 13:03:59,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:03:59,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-17 13:03:59,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=567, Unknown=0, NotChecked=0, Total=650 [2023-11-17 13:03:59,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:03:59,198 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:03:59,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.12) internal successors, (78), 25 states have internal predecessors, (78), 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) [2023-11-17 13:03:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:03:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:03:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:03:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-11-17 13:03:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:03:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:00,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:00,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:04:00,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:00,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-11-17 13:04:00,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:00,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-17 13:04:00,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-17 13:04:00,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:04:00,240 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:00,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:00,240 INFO L85 PathProgramCache]: Analyzing trace with hash -415915149, now seen corresponding path program 3 times [2023-11-17 13:04:00,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:00,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547970578] [2023-11-17 13:04:00,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:00,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 13:04:00,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:00,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547970578] [2023-11-17 13:04:00,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547970578] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:04:00,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963059350] [2023-11-17 13:04:00,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 13:04:00,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:04:00,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:04:00,571 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:04:00,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-17 13:04:00,683 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-17 13:04:00,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 13:04:00,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-17 13:04:00,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:04:00,696 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-17 13:04:00,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-17 13:04:00,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-11-17 13:04:00,928 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-17 13:04:00,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15 [2023-11-17 13:04:00,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-17 13:04:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 13:04:01,083 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:04:03,291 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse1 (= |c_thr1Thread1of1ForFork0_push_~oldTop~0#1| (select .cse3 |c_~#top~0.offset|)))) (and (or (forall ((|thr1Thread1of1ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_5 (Array Int Int)) (v_ArrVal_422 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |thr1Thread1of1ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_5) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_422))) (or (not (= (select (select .cse0 |thr1Thread1of1ForFork0_push_~#casret~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#casret~0#1.offset|) 1)) (not (= (select (select .cse0 |c_~#top~0.base|) |c_~#top~0.offset|) 0))))) .cse1) (or (forall ((|thr1Thread1of1ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_6 (Array Int Int)) (v_ArrVal_422 (Array Int Int))) (let ((.cse2 (store (store (store |c_#memory_int| |c_~#top~0.base| (store .cse3 |c_~#top~0.offset| |c_thr1Thread1of1ForFork0_push_~newTop~0#1|)) |thr1Thread1of1ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_6) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_422))) (or (not (= (select (select .cse2 |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (select (select .cse2 |thr1Thread1of1ForFork0_push_~#casret~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#casret~0#1.offset|) 1))))) (not .cse1))))) is different from false [2023-11-17 13:04:03,316 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 13:04:03,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 37 [2023-11-17 13:04:03,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 79 [2023-11-17 13:04:03,332 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 13:04:03,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 79 [2023-11-17 13:04:03,343 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 13:04:03,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 73 [2023-11-17 13:04:03,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 13:04:03,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963059350] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:04:03,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:04:03,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 30 [2023-11-17 13:04:03,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34752912] [2023-11-17 13:04:03,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:04:03,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-11-17 13:04:03,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:03,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-11-17 13:04:03,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=810, Unknown=3, NotChecked=58, Total=992 [2023-11-17 13:04:03,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:03,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:03,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 2.5161290322580645) internal successors, (78), 31 states have internal predecessors, (78), 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) [2023-11-17 13:04:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:04:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-11-17 13:04:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-11-17 13:04:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:04:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:04,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-11-17 13:04:04,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:04,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-17 13:04:04,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-17 13:04:04,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-17 13:04:05,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:04:05,044 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:05,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:05,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1773870988, now seen corresponding path program 1 times [2023-11-17 13:04:05,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:05,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776587822] [2023-11-17 13:04:05,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:05,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:05,152 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-17 13:04:05,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:05,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776587822] [2023-11-17 13:04:05,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776587822] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:04:05,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:04:05,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-17 13:04:05,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094982677] [2023-11-17 13:04:05,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:04:05,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-17 13:04:05,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:05,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-17 13:04:05,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-17 13:04:05,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:05,154 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:05,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2023-11-17 13:04:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:04:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-11-17 13:04:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-11-17 13:04:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-17 13:04:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:04:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-11-17 13:04:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-17 13:04:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-17 13:04:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:05,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-17 13:04:05,231 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:05,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:05,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1634346417, now seen corresponding path program 2 times [2023-11-17 13:04:05,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:05,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212467738] [2023-11-17 13:04:05,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:05,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:05,736 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-17 13:04:05,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:05,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212467738] [2023-11-17 13:04:05,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212467738] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:04:05,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592605446] [2023-11-17 13:04:05,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 13:04:05,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:04:05,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:04:05,738 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:04:05,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-17 13:04:05,911 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 13:04:05,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 13:04:05,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-17 13:04:05,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:04:06,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-17 13:04:06,156 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2023-11-17 13:04:06,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2023-11-17 13:04:06,313 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 13:04:06,314 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:04:06,445 INFO L349 Elim1Store]: treesize reduction 58, result has 30.1 percent of original size [2023-11-17 13:04:06,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 58 treesize of output 57 [2023-11-17 13:04:06,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2023-11-17 13:04:06,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-11-17 13:04:06,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-11-17 13:04:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 13:04:06,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592605446] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:04:06,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:04:06,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 8] total 27 [2023-11-17 13:04:06,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936501527] [2023-11-17 13:04:06,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:04:06,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-17 13:04:06,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:06,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-17 13:04:06,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=700, Unknown=0, NotChecked=0, Total=812 [2023-11-17 13:04:06,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:06,620 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:06,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 5.071428571428571) internal successors, (142), 28 states have internal predecessors, (142), 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) [2023-11-17 13:04:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:06,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:04:06,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:06,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-11-17 13:04:06,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:06,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-11-17 13:04:06,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-17 13:04:06,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:06,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:08,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:08,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:04:08,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:08,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-11-17 13:04:08,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:08,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-17 13:04:08,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-17 13:04:08,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:08,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-11-17 13:04:08,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-17 13:04:09,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:04:09,145 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:09,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:09,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1885505393, now seen corresponding path program 3 times [2023-11-17 13:04:09,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:09,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680674489] [2023-11-17 13:04:09,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:09,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:09,724 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-17 13:04:09,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:09,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680674489] [2023-11-17 13:04:09,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680674489] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:04:09,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305022810] [2023-11-17 13:04:09,725 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 13:04:09,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:04:09,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:04:09,727 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:04:09,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-17 13:04:09,881 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-17 13:04:09,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 13:04:09,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-17 13:04:09,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:04:09,893 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-17 13:04:09,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-17 13:04:10,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-11-17 13:04:10,188 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-17 13:04:10,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 16 [2023-11-17 13:04:10,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2023-11-17 13:04:10,355 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-17 13:04:10,355 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:04:10,483 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse0 (= |c_thr1Thread1of1ForFork0_push_~oldTop~0#1| (select .cse2 |c_~#top~0.offset|)))) (and (or (not .cse0) (forall ((v_ArrVal_723 (Array Int Int)) (|thr1Thread1of1ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_9 (Array Int Int))) (let ((.cse1 (store (store (store |c_#memory_int| |c_~#top~0.base| (store .cse2 |c_~#top~0.offset| |c_thr1Thread1of1ForFork0_push_~newTop~0#1|)) |thr1Thread1of1ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_9) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_723))) (or (not (= (select (select .cse1 |thr1Thread1of1ForFork0_push_~#casret~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#casret~0#1.offset|) 1)) (not (= 0 (select (select .cse1 |c_~#top~0.base|) |c_~#top~0.offset|))))))) (or (forall ((v_DerPreprocessor_10 (Array Int Int)) (v_ArrVal_723 (Array Int Int)) (|thr1Thread1of1ForFork0_push_~#casret~0#1.base| Int)) (let ((.cse3 (store (store |c_#memory_int| |thr1Thread1of1ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_10) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_723))) (or (not (= (select (select .cse3 |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (select (select .cse3 |thr1Thread1of1ForFork0_push_~#casret~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#casret~0#1.offset|) 1))))) .cse0)))) is different from false [2023-11-17 13:04:10,503 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 13:04:10,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 37 [2023-11-17 13:04:10,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 79 [2023-11-17 13:04:10,511 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 13:04:10,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 79 [2023-11-17 13:04:10,519 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 13:04:10,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 73 [2023-11-17 13:04:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 4 not checked. [2023-11-17 13:04:10,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305022810] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:04:10,711 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:04:10,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 8] total 28 [2023-11-17 13:04:10,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188738126] [2023-11-17 13:04:10,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:04:10,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-11-17 13:04:10,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:10,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-17 13:04:10,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=690, Unknown=3, NotChecked=54, Total=870 [2023-11-17 13:04:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:10,712 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:10,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.8620689655172415) internal successors, (112), 29 states have internal predecessors, (112), 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) [2023-11-17 13:04:10,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:10,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:04:10,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:10,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-11-17 13:04:10,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:10,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-11-17 13:04:10,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-17 13:04:10,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:10,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-11-17 13:04:10,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:11,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:11,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:04:11,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:11,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-11-17 13:04:11,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:11,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-17 13:04:11,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-17 13:04:11,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:11,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-11-17 13:04:11,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-17 13:04:11,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-17 13:04:11,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-17 13:04:12,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:04:12,119 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 1, 1, 1, 1] [2023-11-17 13:04:12,120 INFO L307 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2023-11-17 13:04:12,122 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 13:04:12,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 13:04:12,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:04:12,123 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 13:04:12,138 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 13:04:12,138 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 13:04:12,139 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@152296e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 13:04:12,139 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 13:04:12,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2023-11-17 13:04:12,197 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 13:04:12,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:12,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1081189453, now seen corresponding path program 1 times [2023-11-17 13:04:12,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:12,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349605145] [2023-11-17 13:04:12,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:12,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 13:04:12,204 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-17 13:04:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 13:04:12,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-17 13:04:12,233 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-17 13:04:12,233 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-11-17 13:04:12,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-17 13:04:12,234 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-17 13:04:12,234 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2023-11-17 13:04:12,235 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-17 13:04:12,235 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-17 13:04:12,258 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-17 13:04:12,260 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 13:04:12,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 13:04:12,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:04:12,275 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 13:04:12,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Waiting until timeout for monitored process [2023-11-17 13:04:12,315 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 13:04:12,316 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 13:04:12,316 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@152296e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 13:04:12,316 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 13:04:12,420 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 13:04:12,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:12,420 INFO L85 PathProgramCache]: Analyzing trace with hash 151446731, now seen corresponding path program 1 times [2023-11-17 13:04:12,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:12,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687361014] [2023-11-17 13:04:12,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:12,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:12,504 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 13:04:12,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:12,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687361014] [2023-11-17 13:04:12,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687361014] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:04:12,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724899416] [2023-11-17 13:04:12,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:12,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:04:12,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:04:12,511 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:04:12,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-17 13:04:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:12,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-17 13:04:12,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:04:12,647 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-17 13:04:12,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-17 13:04:12,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-17 13:04:12,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:04:12,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:04:12,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:04:12,802 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 13:04:12,802 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:04:12,807 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_763 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_763) |c_~#m2~0.base|) |c_~#m2~0.offset|) 0))) is different from false [2023-11-17 13:04:12,837 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= c_~state~0 0))) (and (or .cse0 (forall ((v_ArrVal_763 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_763) |c_~#m2~0.base|) |c_~#m2~0.offset|) 0)))) (or (not .cse0) (forall ((v_DerPreprocessor_11 (Array Int Int)) (v_ArrVal_763 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_11) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_763) |c_~#m2~0.base|) |c_~#m2~0.offset|) 0)))))) is different from false [2023-11-17 13:04:12,859 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 13:04:12,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2023-11-17 13:04:12,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 57 [2023-11-17 13:04:12,873 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 13:04:12,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2023-11-17 13:04:12,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2023-11-17 13:04:12,901 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 4 not checked. [2023-11-17 13:04:12,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724899416] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:04:12,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:04:12,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2023-11-17 13:04:12,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536172807] [2023-11-17 13:04:12,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:04:12,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-17 13:04:12,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:12,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-17 13:04:12,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=73, Unknown=2, NotChecked=38, Total=156 [2023-11-17 13:04:12,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:12,903 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:12,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 12 states have internal predecessors, (38), 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) [2023-11-17 13:04:12,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:12,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-17 13:04:13,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-17 13:04:13,169 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 13:04:13,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:13,169 INFO L85 PathProgramCache]: Analyzing trace with hash -133661917, now seen corresponding path program 1 times [2023-11-17 13:04:13,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:13,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475424801] [2023-11-17 13:04:13,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:13,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 13:04:13,185 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-17 13:04:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 13:04:13,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-17 13:04:13,207 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-17 13:04:13,207 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-11-17 13:04:13,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-17 13:04:13,208 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-17 13:04:13,209 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2023-11-17 13:04:13,209 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-17 13:04:13,209 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-11-17 13:04:13,254 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-17 13:04:13,257 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 13:04:13,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 13:04:13,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:04:13,259 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 13:04:13,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Waiting until timeout for monitored process [2023-11-17 13:04:13,275 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 13:04:13,276 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2023-11-17 13:04:13,276 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@152296e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 13:04:13,276 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 13:04:16,983 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:16,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:16,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1266712742, now seen corresponding path program 1 times [2023-11-17 13:04:16,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:16,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796977359] [2023-11-17 13:04:16,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:16,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:17,100 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-17 13:04:17,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:17,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796977359] [2023-11-17 13:04:17,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796977359] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:04:17,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:04:17,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 13:04:17,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124252752] [2023-11-17 13:04:17,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:04:17,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 13:04:17,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:17,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 13:04:17,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 13:04:17,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:17,101 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:17,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2023-11-17 13:04:17,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:17,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-17 13:04:17,270 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:17,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:17,271 INFO L85 PathProgramCache]: Analyzing trace with hash 111891576, now seen corresponding path program 1 times [2023-11-17 13:04:17,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:17,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542736697] [2023-11-17 13:04:17,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:17,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:17,343 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-11-17 13:04:17,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:17,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542736697] [2023-11-17 13:04:17,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542736697] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:04:17,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:04:17,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 13:04:17,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750886119] [2023-11-17 13:04:17,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:04:17,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 13:04:17,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:17,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 13:04:17,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 13:04:17,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:17,346 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:17,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 2 states have internal predecessors, (69), 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) [2023-11-17 13:04:17,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:17,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:17,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:17,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:17,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-17 13:04:17,442 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:17,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:17,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1158192828, now seen corresponding path program 1 times [2023-11-17 13:04:17,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:17,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294399169] [2023-11-17 13:04:17,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:17,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:17,519 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-11-17 13:04:17,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:17,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294399169] [2023-11-17 13:04:17,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294399169] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:04:17,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:04:17,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 13:04:17,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539510584] [2023-11-17 13:04:17,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:04:17,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-17 13:04:17,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:17,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-17 13:04:17,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-17 13:04:17,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:17,521 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:17,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 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) [2023-11-17 13:04:17,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:17,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:17,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:17,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:17,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:17,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:17,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-17 13:04:17,623 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:17,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:17,623 INFO L85 PathProgramCache]: Analyzing trace with hash -819043750, now seen corresponding path program 1 times [2023-11-17 13:04:17,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:17,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023171228] [2023-11-17 13:04:17,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:17,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:17,783 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-11-17 13:04:17,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:17,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023171228] [2023-11-17 13:04:17,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023171228] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:04:17,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:04:17,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-17 13:04:17,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638472899] [2023-11-17 13:04:17,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:04:17,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-17 13:04:17,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:17,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-17 13:04:17,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-17 13:04:17,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:17,786 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:17,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 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) [2023-11-17 13:04:17,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:17,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:17,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:17,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:21,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:21,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:21,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:21,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:21,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-17 13:04:21,163 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:21,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:21,163 INFO L85 PathProgramCache]: Analyzing trace with hash 96236966, now seen corresponding path program 2 times [2023-11-17 13:04:21,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:21,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718059379] [2023-11-17 13:04:21,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:21,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:21,352 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-17 13:04:21,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:21,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718059379] [2023-11-17 13:04:21,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718059379] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:04:21,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:04:21,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-17 13:04:21,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43321526] [2023-11-17 13:04:21,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:04:21,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-17 13:04:21,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:21,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-17 13:04:21,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-17 13:04:21,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:21,354 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:21,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 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) [2023-11-17 13:04:21,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:21,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:21,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:21,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:21,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:22,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:22,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:22,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:22,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:22,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:22,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-17 13:04:22,608 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:22,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:22,608 INFO L85 PathProgramCache]: Analyzing trace with hash -325770016, now seen corresponding path program 1 times [2023-11-17 13:04:22,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:22,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701548588] [2023-11-17 13:04:22,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:22,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:22,698 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-17 13:04:22,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:22,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701548588] [2023-11-17 13:04:22,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701548588] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:04:22,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:04:22,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-17 13:04:22,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203992056] [2023-11-17 13:04:22,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:04:22,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-17 13:04:22,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:22,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-17 13:04:22,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-17 13:04:22,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:22,700 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:22,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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) [2023-11-17 13:04:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:25,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:25,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:25,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:25,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:25,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:25,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:25,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-17 13:04:25,003 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:25,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:25,003 INFO L85 PathProgramCache]: Analyzing trace with hash -660250472, now seen corresponding path program 1 times [2023-11-17 13:04:25,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:25,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205616167] [2023-11-17 13:04:25,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:25,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:25,305 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-17 13:04:25,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:25,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205616167] [2023-11-17 13:04:25,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205616167] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:04:25,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978350237] [2023-11-17 13:04:25,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:25,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:04:25,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:04:25,341 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:04:25,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-17 13:04:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:25,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-17 13:04:25,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:04:25,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-17 13:04:25,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:04:25,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:04:25,769 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-17 13:04:25,769 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 13:04:25,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978350237] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:04:25,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 13:04:25,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2023-11-17 13:04:25,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861513906] [2023-11-17 13:04:25,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:04:25,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-17 13:04:25,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:25,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-17 13:04:25,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-17 13:04:25,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:25,770 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:25,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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) [2023-11-17 13:04:25,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:25,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:25,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:25,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:25,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:25,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:25,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:32,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:32,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:32,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:32,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:32,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:32,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:32,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:32,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-17 13:04:32,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:04:32,620 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:32,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:32,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1012492891, now seen corresponding path program 1 times [2023-11-17 13:04:32,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:32,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684354333] [2023-11-17 13:04:32,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:32,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-17 13:04:32,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:32,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684354333] [2023-11-17 13:04:32,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684354333] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:04:32,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631533178] [2023-11-17 13:04:32,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:32,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:04:32,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:04:32,955 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:04:32,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-17 13:04:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:33,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-17 13:04:33,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:04:33,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-17 13:04:33,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:04:33,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:04:33,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:04:33,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:04:33,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:04:33,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:04:33,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:04:33,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:04:33,356 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-17 13:04:33,356 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 13:04:33,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631533178] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:04:33,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 13:04:33,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2023-11-17 13:04:33,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177256016] [2023-11-17 13:04:33,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:04:33,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-17 13:04:33,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:33,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-17 13:04:33,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-17 13:04:33,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:33,357 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:33,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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) [2023-11-17 13:04:33,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:33,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:33,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:33,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:33,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:33,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:33,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:33,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:33,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:33,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:33,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:33,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:33,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:33,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:33,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:33,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:33,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-17 13:04:33,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-17 13:04:33,878 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:33,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:33,878 INFO L85 PathProgramCache]: Analyzing trace with hash -752473139, now seen corresponding path program 1 times [2023-11-17 13:04:33,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:33,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968991917] [2023-11-17 13:04:33,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:33,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:33,979 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-17 13:04:33,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:33,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968991917] [2023-11-17 13:04:33,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968991917] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:04:33,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:04:33,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-17 13:04:33,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363133623] [2023-11-17 13:04:33,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:04:33,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-17 13:04:33,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:33,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-17 13:04:33,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-17 13:04:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:33,980 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:33,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2023-11-17 13:04:33,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:33,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:33,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:33,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:33,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:33,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:33,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:33,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:33,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:34,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:34,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:34,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:34,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:34,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:34,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:34,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:34,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:34,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:34,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-17 13:04:34,205 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:34,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:34,205 INFO L85 PathProgramCache]: Analyzing trace with hash -795034332, now seen corresponding path program 1 times [2023-11-17 13:04:34,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:34,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538685583] [2023-11-17 13:04:34,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:34,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:34,314 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-17 13:04:34,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:34,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538685583] [2023-11-17 13:04:34,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538685583] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:04:34,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:04:34,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-17 13:04:34,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766718277] [2023-11-17 13:04:34,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:04:34,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-17 13:04:34,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:34,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-17 13:04:34,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-17 13:04:34,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:34,315 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:34,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2023-11-17 13:04:34,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:34,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:34,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:34,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:34,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:34,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:34,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:34,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:34,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:34,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:34,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:34,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:34,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:34,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:34,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:34,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:34,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:34,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:34,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-17 13:04:34,558 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:34,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:34,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1412136536, now seen corresponding path program 1 times [2023-11-17 13:04:34,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:34,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795167581] [2023-11-17 13:04:34,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:34,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:35,061 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-17 13:04:35,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:35,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795167581] [2023-11-17 13:04:35,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795167581] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:04:35,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82978861] [2023-11-17 13:04:35,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:35,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:04:35,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:04:35,063 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:04:35,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-17 13:04:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:35,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-17 13:04:35,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:04:35,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:04:35,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:04:35,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-17 13:04:35,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:04:35,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-17 13:04:35,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 32 [2023-11-17 13:04:35,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 17 [2023-11-17 13:04:35,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-17 13:04:35,574 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-17 13:04:35,574 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:04:35,638 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2210 (Array Int Int))) (= |c_thr1Thread1of3ForFork0_push_~oldTop~0#1| (select (select (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_2210) |c_~#top~0.base|) |c_~#top~0.offset|))) is different from false [2023-11-17 13:04:35,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2023-11-17 13:04:35,708 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-17 13:04:35,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82978861] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:04:35,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:04:35,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 20 [2023-11-17 13:04:35,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802782305] [2023-11-17 13:04:35,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:04:35,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-17 13:04:35,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:35,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-17 13:04:35,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=332, Unknown=1, NotChecked=36, Total=420 [2023-11-17 13:04:35,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:35,710 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:35,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 10.428571428571429) internal successors, (219), 20 states have internal predecessors, (219), 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) [2023-11-17 13:04:35,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:35,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:35,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:35,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:35,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:35,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:35,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:35,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:35,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:35,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:35,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:36,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:36,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:36,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:36,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:36,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:36,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:36,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:36,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:36,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:36,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:04:36,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-17 13:04:36,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:04:36,690 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:36,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:36,690 INFO L85 PathProgramCache]: Analyzing trace with hash -822365475, now seen corresponding path program 2 times [2023-11-17 13:04:36,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:36,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782949721] [2023-11-17 13:04:36,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:36,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:37,249 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-17 13:04:37,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:37,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782949721] [2023-11-17 13:04:37,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782949721] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:04:37,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218790653] [2023-11-17 13:04:37,249 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 13:04:37,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:04:37,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:04:37,253 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:04:37,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-17 13:04:37,538 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 13:04:37,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 13:04:37,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-17 13:04:37,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:04:37,550 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-17 13:04:37,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-17 13:04:37,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-17 13:04:37,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:04:37,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:04:37,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:04:37,683 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-17 13:04:37,683 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:04:37,699 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2406 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_2406) |c_~#m2~0.base|) |c_~#m2~0.offset|) 0))) is different from false [2023-11-17 13:04:37,789 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 13:04:37,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2023-11-17 13:04:37,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2023-11-17 13:04:37,795 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 13:04:37,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2023-11-17 13:04:37,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 119 [2023-11-17 13:04:37,850 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 0 refuted. 2 times theorem prover too weak. 20 trivial. 2 not checked. [2023-11-17 13:04:37,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218790653] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:04:37,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:04:37,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 21 [2023-11-17 13:04:37,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167739515] [2023-11-17 13:04:37,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:04:37,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-17 13:04:37,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:37,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-17 13:04:37,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=353, Unknown=6, NotChecked=38, Total=462 [2023-11-17 13:04:37,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:37,854 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:37,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 21 states have internal predecessors, (171), 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) [2023-11-17 13:04:37,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:37,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:37,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:37,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:37,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:37,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:37,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:37,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:37,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:37,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:37,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:04:37,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:04:49,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-17 13:04:49,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-17 13:04:49,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:04:49,953 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:49,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:49,954 INFO L85 PathProgramCache]: Analyzing trace with hash -33130952, now seen corresponding path program 2 times [2023-11-17 13:04:49,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:49,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840508099] [2023-11-17 13:04:49,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:49,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:50,744 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-17 13:04:50,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:50,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840508099] [2023-11-17 13:04:50,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840508099] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:04:50,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:04:50,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-17 13:04:50,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767179545] [2023-11-17 13:04:50,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:04:50,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-17 13:04:50,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:50,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-17 13:04:50,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-11-17 13:04:50,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:50,745 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:50,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 14 states have internal predecessors, (70), 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) [2023-11-17 13:04:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:04:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-17 13:04:50,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:04:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 13:04:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:04:52,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-17 13:04:52,798 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:52,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:52,798 INFO L85 PathProgramCache]: Analyzing trace with hash -718734130, now seen corresponding path program 1 times [2023-11-17 13:04:52,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:52,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757609738] [2023-11-17 13:04:52,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:52,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:53,206 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-17 13:04:53,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:53,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757609738] [2023-11-17 13:04:53,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757609738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:04:53,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:04:53,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-17 13:04:53,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418892596] [2023-11-17 13:04:53,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:04:53,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-17 13:04:53,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:53,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-17 13:04:53,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-11-17 13:04:53,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:53,208 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:53,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 13 states have internal predecessors, (78), 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) [2023-11-17 13:04:53,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:53,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:53,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:53,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:53,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:53,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:53,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:53,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:53,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:53,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:53,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:04:53,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 13:04:53,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:04:53,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:54,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:54,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:54,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:54,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:54,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:54,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:54,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:54,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:54,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:54,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:54,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:04:54,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 13:04:54,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:04:54,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:04:54,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-17 13:04:54,710 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:54,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:54,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1696119246, now seen corresponding path program 1 times [2023-11-17 13:04:54,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:54,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101982747] [2023-11-17 13:04:54,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:54,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:55,207 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-17 13:04:55,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:55,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101982747] [2023-11-17 13:04:55,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101982747] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:04:55,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968281536] [2023-11-17 13:04:55,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:55,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:04:55,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:04:55,209 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:04:55,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-17 13:04:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:55,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-17 13:04:55,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:04:55,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-17 13:04:55,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:04:55,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:04:55,850 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-17 13:04:55,851 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:04:56,081 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 13:04:56,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2023-11-17 13:04:56,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 119 [2023-11-17 13:04:56,097 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 13:04:56,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2023-11-17 13:04:56,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2023-11-17 13:04:56,317 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-17 13:04:56,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968281536] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:04:56,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:04:56,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 10] total 27 [2023-11-17 13:04:56,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688777764] [2023-11-17 13:04:56,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:04:56,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-17 13:04:56,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:56,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-17 13:04:56,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=656, Unknown=8, NotChecked=0, Total=756 [2023-11-17 13:04:56,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:56,319 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:56,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.0) internal successors, (168), 27 states have internal predecessors, (168), 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) [2023-11-17 13:04:56,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:56,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:56,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:56,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:56,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:56,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:56,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:56,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:56,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:56,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:56,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:04:56,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 13:04:56,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:04:56,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:04:56,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:57,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:57,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:57,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:57,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:57,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:57,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:57,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:57,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:57,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:57,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:57,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:04:57,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:04:57,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:04:57,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:04:57,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-17 13:04:57,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-17 13:04:57,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-11-17 13:04:57,953 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:57,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:57,954 INFO L85 PathProgramCache]: Analyzing trace with hash 2040259842, now seen corresponding path program 1 times [2023-11-17 13:04:57,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:57,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807578099] [2023-11-17 13:04:57,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:57,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:58,058 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-17 13:04:58,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:58,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807578099] [2023-11-17 13:04:58,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807578099] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:04:58,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:04:58,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 13:04:58,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010137132] [2023-11-17 13:04:58,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:04:58,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-17 13:04:58,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:58,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-17 13:04:58,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-17 13:04:58,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:58,059 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:58,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 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) [2023-11-17 13:04:58,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:58,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:58,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:58,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:58,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:58,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:58,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:58,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:58,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:58,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:58,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:04:58,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:04:58,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:04:58,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:04:58,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-11-17 13:04:58,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:58,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:58,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:58,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:58,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:58,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:58,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:58,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:58,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:58,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:58,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:58,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:04:58,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:04:58,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:04:58,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:04:58,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-17 13:04:58,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:58,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-17 13:04:58,566 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:58,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:58,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1557679129, now seen corresponding path program 1 times [2023-11-17 13:04:58,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:58,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825385675] [2023-11-17 13:04:58,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:58,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:58,689 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-17 13:04:58,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:04:58,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825385675] [2023-11-17 13:04:58,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825385675] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:04:58,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680857190] [2023-11-17 13:04:58,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:58,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:04:58,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:04:58,690 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:04:58,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-17 13:04:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:04:59,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-17 13:04:59,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:04:59,127 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-17 13:04:59,127 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:04:59,217 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-17 13:04:59,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680857190] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:04:59,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:04:59,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-17 13:04:59,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224169611] [2023-11-17 13:04:59,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:04:59,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-17 13:04:59,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:04:59,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-17 13:04:59,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2023-11-17 13:04:59,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:59,219 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:04:59,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.90909090909091) internal successors, (197), 10 states have internal predecessors, (197), 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) [2023-11-17 13:04:59,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:59,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:59,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:59,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:59,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:59,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:59,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:59,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:59,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:59,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:59,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:04:59,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:04:59,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:04:59,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:04:59,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-11-17 13:04:59,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:59,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:04:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:04:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:04:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:04:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:04:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:04:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:04:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:04:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-17 13:04:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:04:59,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:04:59,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-17 13:04:59,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:04:59,660 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:04:59,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:04:59,661 INFO L85 PathProgramCache]: Analyzing trace with hash -529692364, now seen corresponding path program 1 times [2023-11-17 13:04:59,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:04:59,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591271790] [2023-11-17 13:04:59,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:04:59,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:04:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:05:00,025 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-17 13:05:00,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:05:00,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591271790] [2023-11-17 13:05:00,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591271790] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:05:00,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:05:00,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-17 13:05:00,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557219005] [2023-11-17 13:05:00,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:05:00,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-17 13:05:00,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:05:00,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-17 13:05:00,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-17 13:05:00,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:05:00,026 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:05:00,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 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) [2023-11-17 13:05:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:05:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:05:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:05:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:05:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:05:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:05:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:05:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-11-17 13:05:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:05:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:05:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:05:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:05:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:05:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:05:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:05:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:05:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:05:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:05:05,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-17 13:05:05,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:05:05,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:05:05,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:05:05,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-17 13:05:05,781 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:05:05,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:05:05,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1138630185, now seen corresponding path program 1 times [2023-11-17 13:05:05,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:05:05,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952883406] [2023-11-17 13:05:05,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:05:05,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:05:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:05:07,090 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-17 13:05:07,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:05:07,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952883406] [2023-11-17 13:05:07,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952883406] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:05:07,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725665884] [2023-11-17 13:05:07,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:05:07,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:05:07,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:05:07,091 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:05:07,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-17 13:05:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:05:07,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 95 conjunts are in the unsatisfiable core [2023-11-17 13:05:07,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:05:07,469 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-17 13:05:07,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-17 13:05:07,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-17 13:05:07,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:05:07,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:07,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:05:07,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:07,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:05:07,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:05:08,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:08,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:05:08,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:08,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:05:08,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:08,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:05:08,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:08,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:05:08,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:08,271 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2023-11-17 13:05:08,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 27 [2023-11-17 13:05:08,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:08,337 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2023-11-17 13:05:08,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 31 [2023-11-17 13:05:08,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:08,514 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2023-11-17 13:05:08,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 31 [2023-11-17 13:05:08,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:08,551 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2023-11-17 13:05:08,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 31 [2023-11-17 13:05:08,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:08,678 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2023-11-17 13:05:08,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 31 [2023-11-17 13:05:08,686 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-17 13:05:08,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2023-11-17 13:05:08,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-17 13:05:09,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:09,143 INFO L349 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2023-11-17 13:05:09,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 45 [2023-11-17 13:05:09,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:09,372 INFO L349 Elim1Store]: treesize reduction 68, result has 39.3 percent of original size [2023-11-17 13:05:09,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 87 [2023-11-17 13:05:09,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:09,537 INFO L349 Elim1Store]: treesize reduction 68, result has 39.3 percent of original size [2023-11-17 13:05:09,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 74 treesize of output 104 [2023-11-17 13:05:09,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:09,963 INFO L349 Elim1Store]: treesize reduction 68, result has 39.3 percent of original size [2023-11-17 13:05:09,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 74 treesize of output 104 [2023-11-17 13:05:10,008 INFO L349 Elim1Store]: treesize reduction 8, result has 83.7 percent of original size [2023-11-17 13:05:10,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 67 [2023-11-17 13:05:10,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2023-11-17 13:05:10,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-11-17 13:05:10,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2023-11-17 13:05:10,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 61 [2023-11-17 13:05:10,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 64 [2023-11-17 13:05:10,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 19 [2023-11-17 13:05:10,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 4 [2023-11-17 13:05:10,706 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 7 proven. 66 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-17 13:05:10,706 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:05:10,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-11-17 13:05:10,986 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 13:05:10,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2023-11-17 13:05:10,988 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 13:05:10,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2023-11-17 13:05:10,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-11-17 13:05:11,679 INFO L349 Elim1Store]: treesize reduction 60, result has 40.0 percent of original size [2023-11-17 13:05:11,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 89 [2023-11-17 13:05:11,722 INFO L349 Elim1Store]: treesize reduction 22, result has 63.9 percent of original size [2023-11-17 13:05:11,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 90 [2023-11-17 13:05:11,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2023-11-17 13:05:11,797 INFO L349 Elim1Store]: treesize reduction 73, result has 32.4 percent of original size [2023-11-17 13:05:11,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 146 treesize of output 148 [2023-11-17 13:05:11,830 INFO L349 Elim1Store]: treesize reduction 41, result has 32.8 percent of original size [2023-11-17 13:05:11,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 124 treesize of output 123 [2023-11-17 13:05:11,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2023-11-17 13:05:13,877 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 13:05:13,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 8 [2023-11-17 13:05:13,940 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 13:05:13,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 12218 treesize of output 12130 [2023-11-17 13:05:13,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 723 treesize of output 715 [2023-11-17 13:05:13,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 715 treesize of output 713 [2023-11-17 13:05:14,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 713 treesize of output 709 [2023-11-17 13:05:14,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 709 treesize of output 701 [2023-11-17 13:05:14,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 701 treesize of output 697 [2023-11-17 13:05:14,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 697 treesize of output 695 [2023-11-17 13:05:14,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 695 treesize of output 679 [2023-11-17 13:05:14,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 679 treesize of output 677 [2023-11-17 13:05:14,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 677 treesize of output 673 [2023-11-17 13:05:14,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 673 treesize of output 665 [2023-11-17 13:05:14,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 665 treesize of output 657 [2023-11-17 13:05:14,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 657 treesize of output 655 [2023-11-17 13:05:14,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 655 treesize of output 651 [2023-11-17 13:05:14,673 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 1 proven. 58 refuted. 14 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-17 13:05:14,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725665884] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:05:14,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:05:14,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 30, 26] total 78 [2023-11-17 13:05:14,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947988415] [2023-11-17 13:05:14,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:05:14,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2023-11-17 13:05:14,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:05:14,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2023-11-17 13:05:14,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=520, Invalid=5742, Unknown=58, NotChecked=0, Total=6320 [2023-11-17 13:05:14,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:05:14,678 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:05:14,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 79 states have (on average 4.139240506329114) internal successors, (327), 79 states have internal predecessors, (327), 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) [2023-11-17 13:05:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:05:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:05:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:05:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:05:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:05:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:05:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:05:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-11-17 13:05:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:05:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:05:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:05:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:05:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:05:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:05:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 13:05:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:05:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:05:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:05:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:05:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:05:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 13:05:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:05:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:05:21,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:05:21,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-17 13:05:21,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-17 13:05:21,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:05:21,472 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:05:21,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:05:21,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1870566921, now seen corresponding path program 1 times [2023-11-17 13:05:21,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:05:21,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897393502] [2023-11-17 13:05:21,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:05:21,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:05:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:05:23,320 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-17 13:05:23,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:05:23,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897393502] [2023-11-17 13:05:23,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897393502] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:05:23,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180373387] [2023-11-17 13:05:23,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:05:23,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:05:23,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:05:23,321 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:05:23,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-17 13:05:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:05:23,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-17 13:05:23,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:05:23,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:23,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:05:23,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:23,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:05:23,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2023-11-17 13:05:23,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:23,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-17 13:05:23,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 32 [2023-11-17 13:05:23,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-17 13:05:24,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 42 [2023-11-17 13:05:24,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 39 [2023-11-17 13:05:24,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 36 [2023-11-17 13:05:24,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-17 13:05:24,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-17 13:05:24,063 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-17 13:05:24,064 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:05:24,138 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3698 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_3698) |c_~#top~0.base|) |c_~#top~0.offset|) |c_thr1Thread3of3ForFork0_push_~oldTop~0#1|)) is different from false [2023-11-17 13:05:24,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2023-11-17 13:05:24,263 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 19 trivial. 5 not checked. [2023-11-17 13:05:24,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180373387] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:05:24,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:05:24,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 6, 6] total 36 [2023-11-17 13:05:24,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894816903] [2023-11-17 13:05:24,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:05:24,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-11-17 13:05:24,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:05:24,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-11-17 13:05:24,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1162, Unknown=2, NotChecked=68, Total=1332 [2023-11-17 13:05:24,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:05:24,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:05:24,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 7.324324324324325) internal successors, (271), 36 states have internal predecessors, (271), 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) [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-11-17 13:05:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:05:31,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:05:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:05:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 13:05:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:05:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:05:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:05:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:05:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:05:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 13:05:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:05:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:05:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:05:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-17 13:05:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-11-17 13:05:31,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-17 13:05:31,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:05:31,851 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:05:31,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:05:31,851 INFO L85 PathProgramCache]: Analyzing trace with hash 953980816, now seen corresponding path program 1 times [2023-11-17 13:05:31,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:05:31,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780213011] [2023-11-17 13:05:31,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:05:31,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:05:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:05:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 5 proven. 59 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-17 13:05:33,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:05:33,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780213011] [2023-11-17 13:05:33,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780213011] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:05:33,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72689120] [2023-11-17 13:05:33,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:05:33,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:05:33,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:05:33,154 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:05:33,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-17 13:05:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:05:33,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-17 13:05:33,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:05:33,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:33,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:05:33,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-17 13:05:33,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2023-11-17 13:05:34,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:34,042 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2023-11-17 13:05:34,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 33 [2023-11-17 13:05:34,151 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 49 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-17 13:05:34,151 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:05:34,326 WARN L854 $PredicateComparison]: unable to prove that (and (or (forall ((|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_28 (Array Int Int)) (v_ArrVal_3968 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#m~0.base| v_ArrVal_3968) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (forall ((v_ArrVal_3964 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_3964) |c_~#top~0.base|) |c_~#top~0.offset|) |c_thr1Thread2of3ForFork0_push_~oldTop~0#1|))) (forall ((v_ArrVal_3964 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_3964))) (let ((.cse0 (select .cse2 |c_~#top~0.base|))) (or (not (= (select .cse0 |c_~#top~0.offset|) |c_thr1Thread2of3ForFork0_push_~oldTop~0#1|)) (forall ((|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_ArrVal_3968 (Array Int Int))) (not (= (select (select (store (let ((.cse1 (store .cse0 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|))) (store (store |c_#memory_int| |c_~#top~0.base| .cse1) |thr1Thread2of3ForFork0_push_~#casret~0#1.base| (store (select (store .cse2 |c_~#top~0.base| .cse1) |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#m~0.base| v_ArrVal_3968) |c_~#top~0.base|) |c_~#top~0.offset|) 0)))))))) is different from false [2023-11-17 13:05:34,358 INFO L349 Elim1Store]: treesize reduction 13, result has 69.0 percent of original size [2023-11-17 13:05:34,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 528 treesize of output 474 [2023-11-17 13:05:34,371 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 13:05:34,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 463 treesize of output 455 [2023-11-17 13:05:34,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 90 [2023-11-17 13:05:34,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2023-11-17 13:05:34,411 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 13:05:34,544 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 34 proven. 7 refuted. 0 times theorem prover too weak. 35 trivial. 1 not checked. [2023-11-17 13:05:34,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72689120] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:05:34,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:05:34,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 9, 7] total 36 [2023-11-17 13:05:34,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52601507] [2023-11-17 13:05:34,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:05:34,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-11-17 13:05:34,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:05:34,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-11-17 13:05:34,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1122, Unknown=17, NotChecked=68, Total=1332 [2023-11-17 13:05:34,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:05:34,546 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:05:34,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 8.594594594594595) internal successors, (318), 36 states have internal predecessors, (318), 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) [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-11-17 13:05:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-17 13:05:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-11-17 13:05:56,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-11-17 13:05:56,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-17 13:05:57,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2023-11-17 13:05:57,033 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:05:57,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:05:57,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1365022299, now seen corresponding path program 1 times [2023-11-17 13:05:57,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:05:57,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906006904] [2023-11-17 13:05:57,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:05:57,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:05:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:05:57,596 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 103 proven. 34 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-17 13:05:57,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:05:57,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906006904] [2023-11-17 13:05:57,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906006904] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:05:57,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819563427] [2023-11-17 13:05:57,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:05:57,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:05:57,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:05:57,597 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:05:57,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-17 13:05:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:05:58,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-17 13:05:58,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:05:58,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-17 13:05:58,407 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-17 13:05:58,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2023-11-17 13:05:58,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:58,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:05:58,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 32 [2023-11-17 13:05:58,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-17 13:05:58,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2023-11-17 13:05:58,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:05:58,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-17 13:05:58,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 42 [2023-11-17 13:05:58,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2023-11-17 13:05:58,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 26 [2023-11-17 13:05:58,657 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 105 proven. 32 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-17 13:05:58,657 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:05:58,675 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4337 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_4337) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1)) is different from false [2023-11-17 13:05:58,710 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse0 (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| (select .cse2 |c_~#top~0.offset|)))) (and (or (not .cse0) (let ((.cse1 (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| |c_~#top~0.base|))) (and (or .cse1 (forall ((v_DerPreprocessor_32 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (|thr1Thread2of3ForFork0_push_~newTop~0#1| Int)) (= (select (select (store (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_32) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| (store (select (store |c_#memory_int| |c_~#top~0.base| (store .cse2 |c_~#top~0.offset| |thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 1)) |c_~#m~0.base| v_ArrVal_4337) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1))) (or (forall ((v_ArrVal_4337 (Array Int Int)) (|thr1Thread2of3ForFork0_push_~newTop~0#1| Int)) (= (select (select (store (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| (store (select (store |c_#memory_int| |c_~#top~0.base| (store .cse2 |c_~#top~0.offset| |thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 1)) |c_~#m~0.base| v_ArrVal_4337) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1)) (not .cse1))))) (or (forall ((v_DerPreprocessor_31 (Array Int Int)) (v_ArrVal_4337 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_31) |c_~#m~0.base| v_ArrVal_4337) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1)) .cse0)))) is different from false [2023-11-17 13:05:58,779 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| |c_~#top~0.base|))) (and (or (forall ((v_ArrVal_4333 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (|thr1Thread2of3ForFork0_push_~newTop~0#1| Int)) (let ((.cse1 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_4333))) (let ((.cse0 (select .cse1 |c_~#top~0.base|))) (or (not (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| (select .cse0 |c_~#top~0.offset|))) (= (select (select (store (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| (store (select (store .cse1 |c_~#top~0.base| (store .cse0 |c_~#top~0.offset| |thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 1)) |c_~#m~0.base| v_ArrVal_4337) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1))))) (not .cse2)) (or (forall ((v_DerPreprocessor_31 (Array Int Int)) (v_ArrVal_4337 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_31) |c_~#m~0.base| v_ArrVal_4337) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1)) (forall ((v_ArrVal_4333 (Array Int Int))) (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| (select (select (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_4333) |c_~#top~0.base|) |c_~#top~0.offset|)))) (or (forall ((v_DerPreprocessor_32 (Array Int Int)) (v_ArrVal_4333 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (|thr1Thread2of3ForFork0_push_~newTop~0#1| Int)) (let ((.cse4 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_4333))) (let ((.cse3 (select .cse4 |c_~#top~0.base|))) (or (not (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| (select .cse3 |c_~#top~0.offset|))) (= (select (select (store (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_32) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| (store (select (store .cse4 |c_~#top~0.base| (store .cse3 |c_~#top~0.offset| |thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 1)) |c_~#m~0.base| v_ArrVal_4337) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1))))) .cse2))) is different from false [2023-11-17 13:05:58,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2023-11-17 13:05:58,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-17 13:05:58,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2023-11-17 13:05:58,797 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-17 13:05:58,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-17 13:05:58,802 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 13:05:58,803 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 13:05:58,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-17 13:05:58,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2023-11-17 13:05:58,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2023-11-17 13:05:58,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-17 13:05:59,089 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 103 proven. 30 refuted. 0 times theorem prover too weak. 43 trivial. 7 not checked. [2023-11-17 13:05:59,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819563427] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:05:59,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:05:59,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 10] total 21 [2023-11-17 13:05:59,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362364162] [2023-11-17 13:05:59,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:05:59,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-17 13:05:59,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:05:59,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-17 13:05:59,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=284, Unknown=3, NotChecked=108, Total=462 [2023-11-17 13:05:59,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:05:59,091 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:05:59,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 11.5) internal successors, (253), 21 states have internal predecessors, (253), 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) [2023-11-17 13:05:59,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:05:59,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:05:59,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:59,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 13:05:59,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:59,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:05:59,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:59,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:05:59,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:59,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:05:59,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:05:59,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:05:59,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:05:59,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:05:59,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 13:05:59,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:05:59,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:05:59,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:05:59,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-17 13:05:59,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-11-17 13:05:59,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-11-17 13:05:59,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:05:59,269 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| |c_~#top~0.base|))) (and (= |c_~#m~0.offset| 0) (or (forall ((v_ArrVal_4333 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (|thr1Thread2of3ForFork0_push_~newTop~0#1| Int)) (let ((.cse1 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_4333))) (let ((.cse0 (select .cse1 |c_~#top~0.base|))) (or (not (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| (select .cse0 |c_~#top~0.offset|))) (= (select (select (store (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| (store (select (store .cse1 |c_~#top~0.base| (store .cse0 |c_~#top~0.offset| |thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 1)) |c_~#m~0.base| v_ArrVal_4337) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1))))) (not .cse2)) (<= |c_~#m~0.base| 3) (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| (select (select |c_#memory_int| |c_~#top~0.base|) |c_~#top~0.offset|)) (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 0) (= (+ (select (select |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) 0) 1) 0) (or (forall ((v_DerPreprocessor_31 (Array Int Int)) (v_ArrVal_4337 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_31) |c_~#m~0.base| v_ArrVal_4337) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1)) (forall ((v_ArrVal_4333 (Array Int Int))) (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| (select (select (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_4333) |c_~#top~0.base|) |c_~#top~0.offset|)))) (not (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| |c_~#m~0.base|)) (<= 4 |c_~#top~0.base|) (or (forall ((v_DerPreprocessor_32 (Array Int Int)) (v_ArrVal_4333 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (|thr1Thread2of3ForFork0_push_~newTop~0#1| Int)) (let ((.cse4 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_4333))) (let ((.cse3 (select .cse4 |c_~#top~0.base|))) (or (not (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| (select .cse3 |c_~#top~0.offset|))) (= (select (select (store (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_32) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| (store (select (store .cse4 |c_~#top~0.base| (store .cse3 |c_~#top~0.offset| |thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 1)) |c_~#m~0.base| v_ArrVal_4337) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1))))) .cse2))) is different from false [2023-11-17 13:05:59,283 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| |c_~#top~0.base|))) (and (= |c_~#m~0.offset| 0) (or (forall ((v_ArrVal_4333 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (|thr1Thread2of3ForFork0_push_~newTop~0#1| Int)) (let ((.cse1 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_4333))) (let ((.cse0 (select .cse1 |c_~#top~0.base|))) (or (not (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| (select .cse0 |c_~#top~0.offset|))) (= (select (select (store (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| (store (select (store .cse1 |c_~#top~0.base| (store .cse0 |c_~#top~0.offset| |thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 1)) |c_~#m~0.base| v_ArrVal_4337) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1))))) (not .cse2)) (<= |c_~#m~0.base| 3) (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| (select (select |c_#memory_int| |c_~#top~0.base|) |c_~#top~0.offset|)) (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 0) (or (forall ((v_DerPreprocessor_31 (Array Int Int)) (v_ArrVal_4337 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_31) |c_~#m~0.base| v_ArrVal_4337) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1)) (forall ((v_ArrVal_4333 (Array Int Int))) (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| (select (select (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_4333) |c_~#top~0.base|) |c_~#top~0.offset|)))) (not (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| |c_~#m~0.base|)) (<= 4 |c_~#top~0.base|) (or (forall ((v_DerPreprocessor_32 (Array Int Int)) (v_ArrVal_4333 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (|thr1Thread2of3ForFork0_push_~newTop~0#1| Int)) (let ((.cse4 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_4333))) (let ((.cse3 (select .cse4 |c_~#top~0.base|))) (or (not (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| (select .cse3 |c_~#top~0.offset|))) (= (select (select (store (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_32) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| (store (select (store .cse4 |c_~#top~0.base| (store .cse3 |c_~#top~0.offset| |thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 1)) |c_~#m~0.base| v_ArrVal_4337) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1))))) .cse2))) is different from false [2023-11-17 13:06:00,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:00,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:00,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:00,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 13:06:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:06:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:06:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-17 13:06:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:06:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:06:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-17 13:06:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-17 13:06:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-11-17 13:06:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:06:00,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-17 13:06:00,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2023-11-17 13:06:00,327 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:06:00,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:06:00,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1911248937, now seen corresponding path program 1 times [2023-11-17 13:06:00,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:06:00,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929786898] [2023-11-17 13:06:00,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:06:00,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:06:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:06:01,213 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-17 13:06:01,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:06:01,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929786898] [2023-11-17 13:06:01,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929786898] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:06:01,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232283596] [2023-11-17 13:06:01,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:06:01,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:06:01,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:06:01,214 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:06:01,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-17 13:06:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:06:01,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-17 13:06:01,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:06:02,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:06:02,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 13:06:02,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-17 13:06:02,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2023-11-17 13:06:02,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:06:02,415 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2023-11-17 13:06:02,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 33 [2023-11-17 13:06:02,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 13:06:02,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2023-11-17 13:06:02,523 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 33 proven. 34 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-17 13:06:02,523 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:06:02,694 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_4609 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_4609))) (let ((.cse0 (select .cse2 |c_~#top~0.base|))) (or (not (= (select .cse0 |c_~#top~0.offset|) |c_thr1Thread3of3ForFork0_push_~oldTop~0#1|)) (forall ((|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int) (v_ArrVal_4614 (Array Int Int))) (not (= (select (select (store (let ((.cse1 (store .cse0 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|))) (store (store |c_#memory_int| |c_~#top~0.base| .cse1) |thr1Thread3of3ForFork0_push_~#casret~0#1.base| (store (select (store .cse2 |c_~#top~0.base| .cse1) |thr1Thread3of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#m~0.base| v_ArrVal_4614) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))))) (or (forall ((v_ArrVal_4609 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_4609) |c_~#top~0.base|) |c_~#top~0.offset|) |c_thr1Thread3of3ForFork0_push_~oldTop~0#1|)) (forall ((|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int) (v_ArrVal_4614 (Array Int Int)) (v_DerPreprocessor_34 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_34) |c_~#m~0.base| v_ArrVal_4614) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))) is different from false [2023-11-17 13:06:02,747 INFO L349 Elim1Store]: treesize reduction 13, result has 69.0 percent of original size [2023-11-17 13:06:02,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 574 treesize of output 520 [2023-11-17 13:06:02,767 INFO L349 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2023-11-17 13:06:02,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 149 treesize of output 161 [2023-11-17 13:06:02,779 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 13:06:02,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 466 treesize of output 458 [2023-11-17 13:06:02,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 90 [2023-11-17 13:06:02,797 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 13:06:02,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2023-11-17 13:06:02,840 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 13:06:03,087 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 29 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 7 not checked. [2023-11-17 13:06:03,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232283596] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:06:03,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:06:03,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 11] total 36 [2023-11-17 13:06:03,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481446451] [2023-11-17 13:06:03,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:06:03,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-11-17 13:06:03,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:06:03,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-11-17 13:06:03,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=1083, Unknown=11, NotChecked=70, Total=1406 [2023-11-17 13:06:03,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:06:03,089 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:06:03,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 8.72972972972973) internal successors, (323), 37 states have internal predecessors, (323), 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) [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-11-17 13:06:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-11-17 13:06:03,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 13:06:03,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:06:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 13:06:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:06:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-17 13:06:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:06:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-11-17 13:06:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-11-17 13:06:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-11-17 13:06:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-17 13:06:12,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-11-17 13:06:12,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:06:12,355 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:06:12,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:06:12,355 INFO L85 PathProgramCache]: Analyzing trace with hash -2082819338, now seen corresponding path program 1 times [2023-11-17 13:06:12,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:06:12,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820107523] [2023-11-17 13:06:12,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:06:12,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:06:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:06:12,871 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 440 proven. 82 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2023-11-17 13:06:12,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:06:12,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820107523] [2023-11-17 13:06:12,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820107523] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:06:12,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14348458] [2023-11-17 13:06:12,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:06:12,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:06:12,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:06:12,873 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:06:12,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-17 13:06:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:06:13,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 1873 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-17 13:06:13,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:06:13,675 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 440 proven. 82 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2023-11-17 13:06:13,676 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:06:13,850 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 440 proven. 82 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2023-11-17 13:06:13,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14348458] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:06:13,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:06:13,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2023-11-17 13:06:13,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681276737] [2023-11-17 13:06:13,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:06:13,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-17 13:06:13,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:06:13,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-17 13:06:13,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2023-11-17 13:06:13,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:06:13,853 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:06:13,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 15.80952380952381) internal successors, (332), 20 states have internal predecessors, (332), 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) [2023-11-17 13:06:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 13:06:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:06:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-17 13:06:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:06:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:13,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-11-17 13:06:13,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-11-17 13:06:13,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-11-17 13:06:13,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:13,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-11-17 13:06:13,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:06:24,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-11-17 13:06:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-11-17 13:06:24,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:24,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-17 13:06:24,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-17 13:06:24,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-11-17 13:06:24,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:06:24,822 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:06:24,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:06:24,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1258635495, now seen corresponding path program 1 times [2023-11-17 13:06:24,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:06:24,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939449453] [2023-11-17 13:06:24,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:06:24,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:06:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:06:25,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 985 trivial. 0 not checked. [2023-11-17 13:06:25,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:06:25,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939449453] [2023-11-17 13:06:25,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939449453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:06:25,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:06:25,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-17 13:06:25,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740915429] [2023-11-17 13:06:25,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:06:25,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-17 13:06:25,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:06:25,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-17 13:06:25,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-17 13:06:25,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:06:25,304 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:06:25,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2023-11-17 13:06:25,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:25,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-17 13:06:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:06:34,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:34,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:34,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:34,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 13:06:34,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:34,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:34,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:34,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:34,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:34,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:06:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-17 13:06:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:06:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-11-17 13:06:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-11-17 13:06:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-11-17 13:06:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-17 13:06:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-17 13:06:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:34,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-17 13:06:34,241 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:06:34,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:06:34,242 INFO L85 PathProgramCache]: Analyzing trace with hash 2133772622, now seen corresponding path program 2 times [2023-11-17 13:06:34,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:06:34,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845321175] [2023-11-17 13:06:34,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:06:34,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:06:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:06:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3109 backedges. 1518 proven. 742 refuted. 0 times theorem prover too weak. 849 trivial. 0 not checked. [2023-11-17 13:06:35,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:06:35,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845321175] [2023-11-17 13:06:35,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845321175] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:06:35,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832328620] [2023-11-17 13:06:35,410 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 13:06:35,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:06:35,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:06:35,411 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:06:35,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-17 13:06:36,363 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 13:06:36,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 13:06:36,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-17 13:06:36,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:06:36,638 INFO L134 CoverageAnalysis]: Checked inductivity of 3109 backedges. 1518 proven. 742 refuted. 0 times theorem prover too weak. 849 trivial. 0 not checked. [2023-11-17 13:06:36,639 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:06:37,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3109 backedges. 1518 proven. 742 refuted. 0 times theorem prover too weak. 849 trivial. 0 not checked. [2023-11-17 13:06:37,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832328620] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:06:37,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:06:37,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 40 [2023-11-17 13:06:37,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42261491] [2023-11-17 13:06:37,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:06:37,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-11-17 13:06:37,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:06:37,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-11-17 13:06:37,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=820, Invalid=820, Unknown=0, NotChecked=0, Total=1640 [2023-11-17 13:06:37,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:06:37,186 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:06:37,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 15.78048780487805) internal successors, (647), 40 states have internal predecessors, (647), 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) [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:37,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:06:37,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-17 13:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-17 13:06:37,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:37,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-17 13:06:37,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-11-17 13:06:37,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2023-11-17 13:06:37,965 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:06:37,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:06:37,966 INFO L85 PathProgramCache]: Analyzing trace with hash -225410878, now seen corresponding path program 3 times [2023-11-17 13:06:37,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:06:37,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511455514] [2023-11-17 13:06:37,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:06:37,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:06:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:06:39,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4839 backedges. 868 proven. 152 refuted. 0 times theorem prover too weak. 3819 trivial. 0 not checked. [2023-11-17 13:06:39,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:06:39,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511455514] [2023-11-17 13:06:39,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511455514] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:06:39,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349637141] [2023-11-17 13:06:39,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 13:06:39,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:06:39,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:06:39,621 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:06:39,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-17 13:06:40,468 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-17 13:06:40,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 13:06:40,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-17 13:06:40,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:06:40,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4839 backedges. 580 proven. 0 refuted. 0 times theorem prover too weak. 4259 trivial. 0 not checked. [2023-11-17 13:06:40,502 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 13:06:40,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349637141] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:06:40,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 13:06:40,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2023-11-17 13:06:40,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796647845] [2023-11-17 13:06:40,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:06:40,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-17 13:06:40,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:06:40,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-17 13:06:40,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-17 13:06:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:06:40,503 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:06:40,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 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) [2023-11-17 13:06:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 13:06:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:06:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-11-17 13:06:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:06:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-11-17 13:06:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-11-17 13:06:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-11-17 13:06:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-11-17 13:06:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-17 13:06:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-11-17 13:06:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:06:47,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:47,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:47,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:47,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-17 13:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:47,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2023-11-17 13:06:47,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2023-11-17 13:06:47,248 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:06:47,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:06:47,249 INFO L85 PathProgramCache]: Analyzing trace with hash -238904612, now seen corresponding path program 1 times [2023-11-17 13:06:47,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:06:47,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387667258] [2023-11-17 13:06:47,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:06:47,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:06:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:06:47,887 INFO L134 CoverageAnalysis]: Checked inductivity of 11265 backedges. 6636 proven. 0 refuted. 0 times theorem prover too weak. 4629 trivial. 0 not checked. [2023-11-17 13:06:47,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:06:47,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387667258] [2023-11-17 13:06:47,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387667258] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:06:47,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:06:47,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 13:06:47,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848622441] [2023-11-17 13:06:47,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:06:47,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 13:06:47,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:06:47,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 13:06:47,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 13:06:47,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:06:47,890 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:06:47,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2023-11-17 13:06:47,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:47,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:06:47,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:47,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 13:06:47,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:47,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:47,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:47,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:47,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:47,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:06:47,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:47,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:06:47,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 13:06:47,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 13:06:47,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-11-17 13:06:47,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:47,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 13:06:47,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-11-17 13:06:47,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-11-17 13:06:47,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-11-17 13:06:47,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-11-17 13:06:47,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-17 13:06:47,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-11-17 13:06:47,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-17 13:06:47,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:06:47,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-11-17 13:06:47,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:06:47,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:08:49,311 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (not (= |c_thr1Thread1of3ForFork0_push_~#casret~0#1.base| 4))) (.cse1 (not (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| 4))) (.cse3 (select |c_#valid| 4)) (.cse2 (= 4 |c_~#top~0.base|))) (and (= |c_~#top~0.offset| 0) .cse0 (<= |c_~#m~0.base| 3) .cse1 (or (= |c_thr1Thread1of3ForFork0_push_~newTop~0#1| 0) (and .cse0 (= |c_thr1Thread1of3ForFork0_push_~newTop~0#1| 1) .cse1 (not (= |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| 4)) .cse2 (= .cse3 1))) (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| (select (select |c_#memory_int| |c_~#top~0.base|) 0)) (or (forall ((|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_28 (Array Int Int)) (v_ArrVal_3968 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#m~0.base| v_ArrVal_3968) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (forall ((v_ArrVal_3964 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_3964) |c_~#top~0.base|) |c_~#top~0.offset|) |c_thr1Thread2of3ForFork0_push_~oldTop~0#1|))) (not (= .cse3 0)) .cse2 (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 0) (forall ((v_ArrVal_3964 (Array Int Int))) (let ((.cse6 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_3964))) (let ((.cse4 (select .cse6 |c_~#top~0.base|))) (or (not (= (select .cse4 |c_~#top~0.offset|) |c_thr1Thread2of3ForFork0_push_~oldTop~0#1|)) (forall ((|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_ArrVal_3968 (Array Int Int))) (not (= (select (select (store (let ((.cse5 (store .cse4 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|))) (store (store |c_#memory_int| |c_~#top~0.base| .cse5) |thr1Thread2of3ForFork0_push_~#casret~0#1.base| (store (select (store .cse6 |c_~#top~0.base| .cse5) |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#m~0.base| v_ArrVal_3968) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))))) (not (= |c_thr1Thread2of3ForFork0_push_~newTop~0#1| 0)) (<= 4 |c_~#top~0.base|))) is different from false