/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 --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 05:02:18,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 05:02:18,132 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-01-26 05:02:18,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 05:02:18,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 05:02:18,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 05:02:18,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 05:02:18,154 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 05:02:18,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 05:02:18,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 05:02:18,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 05:02:18,157 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 05:02:18,158 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 05:02:18,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 05:02:18,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 05:02:18,158 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 05:02:18,158 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 05:02:18,158 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 05:02:18,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 05:02:18,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 05:02:18,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 05:02:18,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 05:02:18,161 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 05:02:18,161 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 05:02:18,161 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 05:02:18,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 05:02:18,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 05:02:18,162 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 05:02:18,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 05:02:18,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 05:02:18,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 05:02:18,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 05:02:18,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 05:02:18,163 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 05:02:18,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 05:02:18,164 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 05:02:18,164 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 05:02:18,164 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 05:02:18,164 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-01-26 05:02:18,164 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-26 05:02:18,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 05:02:18,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 05:02:18,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 05:02:18,373 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 05:02:18,380 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 05:02:18,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c [2024-01-26 05:02:19,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 05:02:19,606 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 05:02:19,607 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c [2024-01-26 05:02:19,617 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/02c25c27f/17924ec2bd994076915786fddd2f4053/FLAGb6650a516 [2024-01-26 05:02:19,627 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/02c25c27f/17924ec2bd994076915786fddd2f4053 [2024-01-26 05:02:19,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 05:02:19,629 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 05:02:19,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 05:02:19,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 05:02:19,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 05:02:19,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:02:19" (1/1) ... [2024-01-26 05:02:19,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ae387c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:02:19, skipping insertion in model container [2024-01-26 05:02:19,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:02:19" (1/1) ... [2024-01-26 05:02:19,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 05:02:19,800 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c[4303,4316] [2024-01-26 05:02:19,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 05:02:19,819 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 05:02:19,840 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c[4303,4316] [2024-01-26 05:02:19,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 05:02:19,855 INFO L206 MainTranslator]: Completed translation [2024-01-26 05:02:19,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:02:19 WrapperNode [2024-01-26 05:02:19,855 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 05:02:19,856 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 05:02:19,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 05:02:19,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 05:02:19,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:02:19" (1/1) ... [2024-01-26 05:02:19,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:02:19" (1/1) ... [2024-01-26 05:02:19,897 INFO L138 Inliner]: procedures = 29, calls = 88, calls flagged for inlining = 22, calls inlined = 32, statements flattened = 409 [2024-01-26 05:02:19,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 05:02:19,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 05:02:19,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 05:02:19,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 05:02:19,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:02:19" (1/1) ... [2024-01-26 05:02:19,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:02:19" (1/1) ... [2024-01-26 05:02:19,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:02:19" (1/1) ... [2024-01-26 05:02:19,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:02:19" (1/1) ... [2024-01-26 05:02:19,926 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:02:19" (1/1) ... [2024-01-26 05:02:19,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:02:19" (1/1) ... [2024-01-26 05:02:19,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:02:19" (1/1) ... [2024-01-26 05:02:19,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:02:19" (1/1) ... [2024-01-26 05:02:19,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 05:02:19,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 05:02:19,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 05:02:19,938 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 05:02:19,939 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:02:19" (1/1) ... [2024-01-26 05:02:19,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 05:02:19,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:02:19,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-01-26 05:02:19,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-01-26 05:02:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 05:02:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 05:02:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 05:02:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 05:02:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 05:02:19,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 05:02:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 05:02:19,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 05:02:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 05:02:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 05:02:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-26 05:02:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-26 05:02:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 05:02:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-01-26 05:02:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-01-26 05:02:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-01-26 05:02:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-01-26 05:02:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 05:02:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 05:02:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 05:02:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 05:02:19,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 05:02:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 05:02:19,998 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 05:02:20,094 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 05:02:20,096 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 05:02:20,529 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 05:02:20,701 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 05:02:20,701 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2024-01-26 05:02:20,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:02:20 BoogieIcfgContainer [2024-01-26 05:02:20,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 05:02:20,706 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 05:02:20,706 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 05:02:20,709 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 05:02:20,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 05:02:19" (1/3) ... [2024-01-26 05:02:20,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd5bc02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:02:20, skipping insertion in model container [2024-01-26 05:02:20,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:02:19" (2/3) ... [2024-01-26 05:02:20,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd5bc02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:02:20, skipping insertion in model container [2024-01-26 05:02:20,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:02:20" (3/3) ... [2024-01-26 05:02:20,711 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2024-01-26 05:02:20,718 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 05:02:20,725 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 05:02:20,726 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 05:02:20,726 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 05:02:20,845 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-01-26 05:02:20,890 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 05:02:20,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 05:02:20,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:02:20,893 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-01-26 05:02:20,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-01-26 05:02:20,922 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 05:02:20,927 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-01-26 05:02:20,932 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;@27c354a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 05:02:20,936 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-26 05:02:20,939 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2024-01-26 05:02:20,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-01-26 05:02:20,945 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-01-26 05:02:20,947 INFO L308 ceAbstractionStarter]: Result for error location thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/11) [2024-01-26 05:02:20,961 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 05:02:20,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 05:02:20,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:02:21,014 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-01-26 05:02:21,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-01-26 05:02:21,018 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 05:02:21,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-01-26 05:02:21,019 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;@27c354a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 05:02:21,019 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-26 05:02:21,020 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2024-01-26 05:02:21,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-01-26 05:02:21,021 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-01-26 05:02:21,021 INFO L308 ceAbstractionStarter]: Result for error location thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/11) [2024-01-26 05:02:21,027 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 05:02:21,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 05:02:21,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:02:21,029 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-01-26 05:02:21,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-01-26 05:02:21,040 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 05:02:21,042 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 05:02:21,042 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;@27c354a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 05:02:21,042 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-26 05:02:21,111 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:02:21,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:02:21,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1137079319, now seen corresponding path program 1 times [2024-01-26 05:02:21,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:02:21,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395583113] [2024-01-26 05:02:21,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:02:21,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:02:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:02:21,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:02:21,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:02:21,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395583113] [2024-01-26 05:02:21,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395583113] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 05:02:21,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 05:02:21,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 05:02:21,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480209650] [2024-01-26 05:02:21,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 05:02:21,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 05:02:21,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:02:21,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 05:02:21,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 05:02:21,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:21,479 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:02:21,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 118.0) internal successors, (236), 2 states have internal predecessors, (236), 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) [2024-01-26 05:02:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:21,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:21,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 05:02:21,674 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:02:21,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:02:21,675 INFO L85 PathProgramCache]: Analyzing trace with hash 528702839, now seen corresponding path program 1 times [2024-01-26 05:02:21,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:02:21,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587563709] [2024-01-26 05:02:21,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:02:21,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:02:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:02:22,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:02:22,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:02:22,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587563709] [2024-01-26 05:02:22,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587563709] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 05:02:22,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 05:02:22,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-01-26 05:02:22,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486037186] [2024-01-26 05:02:22,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 05:02:22,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-01-26 05:02:22,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:02:22,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-01-26 05:02:22,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-01-26 05:02:22,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:22,807 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:02:22,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 16.357142857142858) internal successors, (229), 14 states have internal predecessors, (229), 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) [2024-01-26 05:02:22,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:22,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:23,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:23,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:02:23,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 05:02:23,231 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:02:23,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:02:23,232 INFO L85 PathProgramCache]: Analyzing trace with hash -932965114, now seen corresponding path program 1 times [2024-01-26 05:02:23,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:02:23,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493954355] [2024-01-26 05:02:23,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:02:23,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:02:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:02:23,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 05:02:23,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:02:23,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493954355] [2024-01-26 05:02:23,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493954355] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 05:02:23,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 05:02:23,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-01-26 05:02:23,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835794635] [2024-01-26 05:02:23,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 05:02:23,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-01-26 05:02:23,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:02:23,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-01-26 05:02:23,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-01-26 05:02:23,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:23,885 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:02:23,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 23.7) internal successors, (237), 10 states have internal predecessors, (237), 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) [2024-01-26 05:02:23,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:23,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:02:23,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:24,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:24,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:02:24,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:02:24,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-26 05:02:24,190 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:02:24,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:02:24,190 INFO L85 PathProgramCache]: Analyzing trace with hash -452637590, now seen corresponding path program 1 times [2024-01-26 05:02:24,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:02:24,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679746068] [2024-01-26 05:02:24,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:02:24,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:02:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:02:24,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:02:24,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:02:24,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679746068] [2024-01-26 05:02:24,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679746068] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:02:24,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504213347] [2024-01-26 05:02:24,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:02:24,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:02:24,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:02:24,766 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:02:24,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-01-26 05:02:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:02:24,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 13 conjunts are in the unsatisfiable core [2024-01-26 05:02:24,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:02:25,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 05:02:25,329 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-01-26 05:02:25,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504213347] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 05:02:25,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-01-26 05:02:25,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 20 [2024-01-26 05:02:25,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162040213] [2024-01-26 05:02:25,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 05:02:25,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-01-26 05:02:25,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:02:25,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-01-26 05:02:25,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2024-01-26 05:02:25,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:25,332 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:02:25,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 30.25) internal successors, (242), 8 states have internal predecessors, (242), 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) [2024-01-26 05:02:25,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:25,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:02:25,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:02:25,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:26,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:02:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:02:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:02:26,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-01-26 05:02:26,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:02:26,827 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:02:26,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:02:26,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1716396246, now seen corresponding path program 1 times [2024-01-26 05:02:26,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:02:26,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628625948] [2024-01-26 05:02:26,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:02:26,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:02:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:02:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:02:27,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:02:27,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628625948] [2024-01-26 05:02:27,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628625948] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:02:27,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806331280] [2024-01-26 05:02:27,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:02:27,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:02:27,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:02:27,401 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:02:27,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-01-26 05:02:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:02:27,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 13 conjunts are in the unsatisfiable core [2024-01-26 05:02:27,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:02:27,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 05:02:27,902 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:02:28,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 05:02:28,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806331280] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:02:28,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:02:28,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 23 [2024-01-26 05:02:28,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490596010] [2024-01-26 05:02:28,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:02:28,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-01-26 05:02:28,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:02:28,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-01-26 05:02:28,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2024-01-26 05:02:28,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:28,077 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:02:28,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 24.26086956521739) internal successors, (558), 23 states have internal predecessors, (558), 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) [2024-01-26 05:02:28,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:28,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:02:28,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:02:28,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:02:28,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:29,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:29,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:02:29,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:02:29,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:02:29,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:02:29,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-01-26 05:02:29,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:02:29,585 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:02:29,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:02:29,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1887941737, now seen corresponding path program 1 times [2024-01-26 05:02:29,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:02:29,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628615635] [2024-01-26 05:02:29,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:02:29,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:02:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:02:32,811 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:02:32,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:02:32,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628615635] [2024-01-26 05:02:32,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628615635] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:02:32,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19350808] [2024-01-26 05:02:32,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:02:32,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:02:32,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:02:32,813 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:02:32,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-01-26 05:02:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:02:32,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 74 conjunts are in the unsatisfiable core [2024-01-26 05:02:33,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:02:35,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:02:35,402 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 [2024-01-26 05:02:35,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:02:35,536 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 [2024-01-26 05:02:35,770 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 15 treesize of output 7 [2024-01-26 05:02:36,023 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:02:36,023 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:03:05,357 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:03:05,363 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 128 treesize of output 94 [2024-01-26 05:03:05,372 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 84 treesize of output 72 [2024-01-26 05:03:05,377 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 38 treesize of output 32 [2024-01-26 05:03:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:03:06,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19350808] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:03:06,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:03:06,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 35, 32] total 88 [2024-01-26 05:03:06,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711050850] [2024-01-26 05:03:06,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:03:06,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-01-26 05:03:06,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:03:06,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-01-26 05:03:06,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=7140, Unknown=21, NotChecked=0, Total=7656 [2024-01-26 05:03:06,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:06,921 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:03:06,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 7.8977272727272725) internal successors, (695), 88 states have internal predecessors, (695), 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) [2024-01-26 05:03:06,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:06,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:03:06,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:03:06,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:03:06,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:03:06,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:16,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:16,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:03:16,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:03:16,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:03:16,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:03:16,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:03:16,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-01-26 05:03:16,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:03:16,258 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:03:16,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:03:16,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1577522824, now seen corresponding path program 2 times [2024-01-26 05:03:16,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:03:16,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082857319] [2024-01-26 05:03:16,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:03:16,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:03:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:03:17,037 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-01-26 05:03:17,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:03:17,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082857319] [2024-01-26 05:03:17,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082857319] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:03:17,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548727483] [2024-01-26 05:03:17,038 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 05:03:17,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:03:17,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:03:17,039 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:03:17,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-01-26 05:03:17,248 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 05:03:17,248 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:03:17,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 18 conjunts are in the unsatisfiable core [2024-01-26 05:03:17,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:03:17,716 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-01-26 05:03:17,716 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:03:18,061 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-01-26 05:03:18,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548727483] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:03:18,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:03:18,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13, 13] total 38 [2024-01-26 05:03:18,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88212466] [2024-01-26 05:03:18,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:03:18,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-01-26 05:03:18,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:03:18,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-01-26 05:03:18,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1283, Unknown=0, NotChecked=0, Total=1406 [2024-01-26 05:03:18,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:18,064 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:03:18,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 15.736842105263158) internal successors, (598), 38 states have internal predecessors, (598), 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) [2024-01-26 05:03:18,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:18,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:03:18,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:03:18,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:03:18,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:03:18,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:03:18,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:22,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:22,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:03:22,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:03:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:03:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:03:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:03:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-01-26 05:03:22,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-01-26 05:03:23,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-01-26 05:03:23,160 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:03:23,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:03:23,160 INFO L85 PathProgramCache]: Analyzing trace with hash 694155404, now seen corresponding path program 3 times [2024-01-26 05:03:23,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:03:23,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256460371] [2024-01-26 05:03:23,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:03:23,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:03:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:03:23,877 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-01-26 05:03:23,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:03:23,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256460371] [2024-01-26 05:03:23,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256460371] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:03:23,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357296265] [2024-01-26 05:03:23,877 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 05:03:23,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:03:23,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:03:23,889 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:03:23,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-01-26 05:03:24,099 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-01-26 05:03:24,099 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:03:24,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 13 conjunts are in the unsatisfiable core [2024-01-26 05:03:24,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:03:24,443 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-01-26 05:03:24,443 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:03:24,655 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-01-26 05:03:24,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357296265] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:03:24,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:03:24,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 10, 10] total 30 [2024-01-26 05:03:24,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341294248] [2024-01-26 05:03:24,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:03:24,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-01-26 05:03:24,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:03:24,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-01-26 05:03:24,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=772, Unknown=0, NotChecked=0, Total=870 [2024-01-26 05:03:24,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:24,658 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:03:24,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 18.566666666666666) internal successors, (557), 30 states have internal predecessors, (557), 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) [2024-01-26 05:03:24,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:24,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:03:24,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:03:24,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:03:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:03:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:03:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-01-26 05:03:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:27,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:03:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:03:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:03:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:03:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:03:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-01-26 05:03:27,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-01-26 05:03:27,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-01-26 05:03:27,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:03:27,205 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:03:27,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:03:27,206 INFO L85 PathProgramCache]: Analyzing trace with hash 698920100, now seen corresponding path program 4 times [2024-01-26 05:03:27,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:03:27,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667171025] [2024-01-26 05:03:27,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:03:27,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:03:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:03:32,196 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:03:32,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:03:32,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667171025] [2024-01-26 05:03:32,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667171025] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:03:32,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266826082] [2024-01-26 05:03:32,197 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-01-26 05:03:32,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:03:32,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:03:32,198 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:03:32,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-01-26 05:03:32,397 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-01-26 05:03:32,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:03:32,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 96 conjunts are in the unsatisfiable core [2024-01-26 05:03:32,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:03:35,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:03:35,701 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 22 treesize of output 15 [2024-01-26 05:03:35,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:03:35,927 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 22 treesize of output 15 [2024-01-26 05:03:36,399 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:03:36,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 12 [2024-01-26 05:03:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:03:36,499 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:03:58,113 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:03:58,113 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 202 treesize of output 154 [2024-01-26 05:03:58,122 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:03:58,122 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 116 treesize of output 88 [2024-01-26 05:03:58,137 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:03:58,138 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 50 treesize of output 36 [2024-01-26 05:04:08,722 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 4 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:04:08,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266826082] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:04:08,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:04:08,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 38, 37] total 110 [2024-01-26 05:04:08,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161900128] [2024-01-26 05:04:08,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:04:08,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2024-01-26 05:04:08,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:04:08,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2024-01-26 05:04:08,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=650, Invalid=11316, Unknown=24, NotChecked=0, Total=11990 [2024-01-26 05:04:08,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:08,728 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:04:08,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 6.781818181818182) internal successors, (746), 110 states have internal predecessors, (746), 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) [2024-01-26 05:04:08,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:08,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:04:08,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:04:08,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:04:08,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:04:08,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:04:08,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-01-26 05:04:08,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-01-26 05:04:08,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:14,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:14,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:04:14,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:04:14,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:04:14,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:04:14,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:04:14,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-01-26 05:04:14,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-01-26 05:04:14,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:04:14,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-01-26 05:04:14,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:04:14,319 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:04:14,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:04:14,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1298106803, now seen corresponding path program 5 times [2024-01-26 05:04:14,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:04:14,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845643304] [2024-01-26 05:04:14,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:04:14,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:04:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:04:15,042 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 12 proven. 49 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-01-26 05:04:15,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:04:15,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845643304] [2024-01-26 05:04:15,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845643304] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:04:15,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045065118] [2024-01-26 05:04:15,043 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-01-26 05:04:15,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:04:15,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:04:15,044 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:04:15,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-01-26 05:04:15,235 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-01-26 05:04:15,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:04:15,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 24 conjunts are in the unsatisfiable core [2024-01-26 05:04:15,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:04:16,011 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-01-26 05:04:16,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:04:16,686 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-01-26 05:04:16,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045065118] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:04:16,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:04:16,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 19] total 53 [2024-01-26 05:04:16,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794029136] [2024-01-26 05:04:16,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:04:16,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-01-26 05:04:16,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:04:16,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-01-26 05:04:16,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=2450, Unknown=0, NotChecked=0, Total=2756 [2024-01-26 05:04:16,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:16,689 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:04:16,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 13.60377358490566) internal successors, (721), 53 states have internal predecessors, (721), 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) [2024-01-26 05:04:16,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:16,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:04:16,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:04:16,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:04:16,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:04:16,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:04:16,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-01-26 05:04:16,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-01-26 05:04:16,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:04:16,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:24,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:24,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:04:24,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:04:24,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:04:24,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:04:24,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:04:24,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2024-01-26 05:04:24,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-01-26 05:04:24,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:04:24,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2024-01-26 05:04:24,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-01-26 05:04:25,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-01-26 05:04:25,124 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:04:25,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:04:25,125 INFO L85 PathProgramCache]: Analyzing trace with hash -872900089, now seen corresponding path program 6 times [2024-01-26 05:04:25,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:04:25,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272399102] [2024-01-26 05:04:25,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:04:25,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:04:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:04:30,652 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 13 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:04:30,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:04:30,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272399102] [2024-01-26 05:04:30,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272399102] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:04:30,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077469244] [2024-01-26 05:04:30,652 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-01-26 05:04:30,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:04:30,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:04:30,653 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:04:30,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-01-26 05:04:30,895 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-01-26 05:04:30,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:04:30,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 113 conjunts are in the unsatisfiable core [2024-01-26 05:04:30,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:04:34,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:04:34,933 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 33 treesize of output 24 [2024-01-26 05:04:35,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:04:35,121 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 33 treesize of output 24 [2024-01-26 05:04:35,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:04:35,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:04:35,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:04:35,867 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:04:35,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 57 [2024-01-26 05:04:36,423 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:04:36,423 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:05:58,922 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:05:58,922 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 234 treesize of output 186 [2024-01-26 05:05:58,938 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:05:58,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 138 treesize of output 118 [2024-01-26 05:05:58,956 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:05:58,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 61 [2024-01-26 05:06:01,658 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 52 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:06:01,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077469244] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:06:01,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:06:01,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 47, 44] total 134 [2024-01-26 05:06:01,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457798323] [2024-01-26 05:06:01,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:06:01,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2024-01-26 05:06:01,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:06:01,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2024-01-26 05:06:01,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=732, Invalid=17023, Unknown=67, NotChecked=0, Total=17822 [2024-01-26 05:06:01,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:06:01,668 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:06:01,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 5.574626865671642) internal successors, (747), 134 states have internal predecessors, (747), 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) [2024-01-26 05:06:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:06:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:06:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:06:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:06:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:06:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:06:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2024-01-26 05:06:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-01-26 05:06:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:06:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2024-01-26 05:06:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:06:12,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:06:14,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:06:16,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:06:18,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:06:20,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:06:22,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:06:24,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:06:26,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:06:28,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:06:30,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:06:32,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:06:39,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:06:41,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:06:43,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:06:45,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:06:47,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:06:49,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:07:06,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:07:09,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:07:11,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:07:13,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:07:15,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:07:17,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:07:19,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:07:39,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:07:39,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:07:39,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:07:39,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:07:39,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:07:39,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:07:39,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2024-01-26 05:07:39,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-01-26 05:07:39,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:07:39,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2024-01-26 05:07:39,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-01-26 05:07:39,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-01-26 05:07:39,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:07:39,944 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:07:39,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:07:39,945 INFO L85 PathProgramCache]: Analyzing trace with hash 539533850, now seen corresponding path program 7 times [2024-01-26 05:07:39,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:07:39,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181190653] [2024-01-26 05:07:39,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:07:39,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:07:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:07:40,880 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 30 proven. 76 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-01-26 05:07:40,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:07:40,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181190653] [2024-01-26 05:07:40,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181190653] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:07:40,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429883563] [2024-01-26 05:07:40,880 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-01-26 05:07:40,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:07:40,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:07:40,881 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:07:40,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-01-26 05:07:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:07:41,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 17 conjunts are in the unsatisfiable core [2024-01-26 05:07:41,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:07:41,689 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 26 proven. 33 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-01-26 05:07:41,689 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:07:42,136 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 38 proven. 21 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-01-26 05:07:42,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429883563] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:07:42,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:07:42,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 14, 14] total 48 [2024-01-26 05:07:42,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511667762] [2024-01-26 05:07:42,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:07:42,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-01-26 05:07:42,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:07:42,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-01-26 05:07:42,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=2061, Unknown=0, NotChecked=0, Total=2256 [2024-01-26 05:07:42,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:07:42,139 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:07:42,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 13.395833333333334) internal successors, (643), 48 states have internal predecessors, (643), 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) [2024-01-26 05:07:42,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:07:42,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:07:42,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:07:42,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:07:42,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:07:42,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:07:42,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2024-01-26 05:07:42,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-01-26 05:07:42,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:07:42,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2024-01-26 05:07:42,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-01-26 05:07:42,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:07:49,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:07:49,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:07:49,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:07:49,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:07:49,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:07:49,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:07:49,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2024-01-26 05:07:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-01-26 05:07:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:07:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2024-01-26 05:07:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-01-26 05:07:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-01-26 05:07:49,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-01-26 05:07:49,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-01-26 05:07:49,948 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:07:49,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:07:49,949 INFO L85 PathProgramCache]: Analyzing trace with hash -618207186, now seen corresponding path program 8 times [2024-01-26 05:07:49,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:07:49,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827703813] [2024-01-26 05:07:49,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:07:49,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:07:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:07:50,763 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 30 proven. 76 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-01-26 05:07:50,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:07:50,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827703813] [2024-01-26 05:07:50,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827703813] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:07:50,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714860987] [2024-01-26 05:07:50,978 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 05:07:50,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:07:50,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:07:50,979 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:07:50,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-01-26 05:07:51,195 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 05:07:51,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:07:51,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 25 conjunts are in the unsatisfiable core [2024-01-26 05:07:51,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:07:51,969 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 52 proven. 54 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-01-26 05:07:51,969 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:07:52,628 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 85 proven. 21 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-01-26 05:07:52,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714860987] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:07:52,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:07:52,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 22, 22] total 56 [2024-01-26 05:07:52,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968169021] [2024-01-26 05:07:52,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:07:52,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-01-26 05:07:52,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:07:52,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-01-26 05:07:52,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=2748, Unknown=0, NotChecked=0, Total=3080 [2024-01-26 05:07:52,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:07:52,631 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:07:52,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 11.714285714285714) internal successors, (656), 56 states have internal predecessors, (656), 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) [2024-01-26 05:07:52,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:07:52,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:07:52,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:07:52,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:07:52,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:07:52,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:07:52,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2024-01-26 05:07:52,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-01-26 05:07:52,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:07:52,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2024-01-26 05:07:52,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-01-26 05:07:52,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-01-26 05:07:52,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:07:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:07:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:07:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:07:59,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:07:59,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:07:59,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:07:59,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2024-01-26 05:07:59,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-01-26 05:07:59,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:07:59,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2024-01-26 05:07:59,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-01-26 05:07:59,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-01-26 05:07:59,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:07:59,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-01-26 05:07:59,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-01-26 05:07:59,367 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:07:59,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:07:59,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1907346878, now seen corresponding path program 9 times [2024-01-26 05:07:59,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:07:59,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353368825] [2024-01-26 05:07:59,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:07:59,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:07:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:08:05,337 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:08:05,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:08:05,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353368825] [2024-01-26 05:08:05,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353368825] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:08:05,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057299204] [2024-01-26 05:08:05,338 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 05:08:05,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:08:05,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:08:05,339 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:08:05,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-01-26 05:08:05,667 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-01-26 05:08:05,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:08:05,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 129 conjunts are in the unsatisfiable core [2024-01-26 05:08:05,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:08:09,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:08:09,475 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 46 treesize of output 35 [2024-01-26 05:08:09,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:08:09,637 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 46 treesize of output 35 [2024-01-26 05:08:10,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:08:10,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:08:10,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:08:10,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:08:10,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:08:10,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:08:10,646 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:08:10,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 63 treesize of output 97 [2024-01-26 05:08:11,115 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 33 proven. 76 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-01-26 05:08:11,115 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:08:26,997 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:08:26,997 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 546 treesize of output 336 [2024-01-26 05:08:27,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 44 [2024-01-26 05:08:27,022 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:08:27,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 64 treesize of output 37 [2024-01-26 05:08:28,905 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-01-26 05:08:28,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057299204] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:08:28,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:08:28,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 47, 47] total 133 [2024-01-26 05:08:28,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332096826] [2024-01-26 05:08:28,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:08:28,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2024-01-26 05:08:28,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:08:28,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2024-01-26 05:08:28,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=699, Invalid=16841, Unknown=16, NotChecked=0, Total=17556 [2024-01-26 05:08:28,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:08:28,912 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:08:28,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 133 states have (on average 6.165413533834586) internal successors, (820), 133 states have internal predecessors, (820), 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) [2024-01-26 05:08:28,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:08:28,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:08:28,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:08:28,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:08:28,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:08:28,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:08:28,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2024-01-26 05:08:28,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-01-26 05:08:28,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:08:28,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2024-01-26 05:08:28,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-01-26 05:08:28,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-01-26 05:08:28,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:08:28,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:09:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:09:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:09:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:09:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:09:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:09:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:09:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2024-01-26 05:09:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-01-26 05:09:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:09:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2024-01-26 05:09:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-01-26 05:09:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-01-26 05:09:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:09:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2024-01-26 05:09:07,213 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-01-26 05:09:07,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-01-26 05:09:07,408 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:09:07,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:09:07,408 INFO L85 PathProgramCache]: Analyzing trace with hash -712633170, now seen corresponding path program 10 times [2024-01-26 05:09:07,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:09:07,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213761320] [2024-01-26 05:09:07,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:09:07,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:09:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:09:07,828 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 60 proven. 38 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-01-26 05:09:07,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:09:07,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213761320] [2024-01-26 05:09:07,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213761320] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:09:07,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696692878] [2024-01-26 05:09:07,829 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-01-26 05:09:07,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:09:07,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:09:07,830 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:09:07,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-01-26 05:09:08,026 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-01-26 05:09:08,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:09:08,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 21 conjunts are in the unsatisfiable core [2024-01-26 05:09:08,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:09:08,533 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 44 proven. 54 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-01-26 05:09:08,533 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:09:08,749 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 60 proven. 38 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-01-26 05:09:08,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696692878] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:09:08,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:09:08,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 30 [2024-01-26 05:09:08,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063276362] [2024-01-26 05:09:08,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:09:08,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-01-26 05:09:08,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:09:08,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-01-26 05:09:08,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2024-01-26 05:09:08,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:09:08,754 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:09:08,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 14.0) internal successors, (420), 30 states have internal predecessors, (420), 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) [2024-01-26 05:09:08,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:09:08,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:09:08,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-01-26 05:09:08,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:09:08,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-01-26 05:09:08,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:09:08,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2024-01-26 05:09:08,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-01-26 05:09:08,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:09:08,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2024-01-26 05:09:08,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-01-26 05:09:08,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-01-26 05:09:08,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:09:08,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2024-01-26 05:09:08,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:09:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:09:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:09:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:09:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:09:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-01-26 05:09:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-01-26 05:09:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-01-26 05:09:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-01-26 05:09:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:09:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-01-26 05:09:15,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-01-26 05:09:15,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-01-26 05:09:15,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-01-26 05:09:15,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-01-26 05:09:15,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-01-26 05:09:15,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-01-26 05:09:16,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:09:16,053 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:09:16,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:09:16,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1990965793, now seen corresponding path program 1 times [2024-01-26 05:09:16,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:09:16,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837856320] [2024-01-26 05:09:16,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:09:16,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:09:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:09:18,549 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-01-26 05:09:18,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:09:18,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837856320] [2024-01-26 05:09:18,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837856320] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:09:18,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968485114] [2024-01-26 05:09:18,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:09:18,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:09:18,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:09:18,550 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:09:18,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-01-26 05:09:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:09:18,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 117 conjunts are in the unsatisfiable core [2024-01-26 05:09:18,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:09:21,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:09:21,334 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 40 treesize of output 29 [2024-01-26 05:09:21,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:09:21,447 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 40 treesize of output 29 [2024-01-26 05:09:22,107 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:09:22,107 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 67 treesize of output 19 [2024-01-26 05:09:22,136 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-26 05:09:22,136 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:09:22,462 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1067 (Array Int Int)) (v_ArrVal_1066 (Array Int Int))) (= (let ((.cse0 (select (store (store |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t5~0#1.base| v_ArrVal_1066) |c_thread4Thread1of1ForFork0_~#t6~0#1.base| v_ArrVal_1067) c_~x~0.base)) (.cse1 (* c_~i2~0 4))) (+ c_~s22~0 (select .cse0 (+ 16 c_~x~0.offset .cse1)) c_~s12~0 (select .cse0 (+ 8 c_~x~0.offset .cse1)) (select .cse0 (+ 12 c_~x~0.offset .cse1)) (select .cse0 (+ c_~x~0.offset 4 .cse1)))) c_~x1~0)) is different from false [2024-01-26 05:09:24,011 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| Int)) (let ((.cse0 (+ |c_#StackHeapBarrier| 1))) (or (< |v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| .cse0) (forall ((|v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| Int)) (or (< |v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| .cse0) (forall ((v_ArrVal_1067 (Array Int Int)) (v_ArrVal_1066 (Array Int Int))) (= c_~x1~0 (let ((.cse1 (select (store (store |c_#memory_int| |v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| v_ArrVal_1066) |v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| v_ArrVal_1067) c_~x~0.base)) (.cse2 (* c_~i2~0 4))) (+ (select .cse1 (+ 16 c_~x~0.offset .cse2)) c_~s22~0 c_~s12~0 (select .cse1 (+ 8 c_~x~0.offset .cse2)) (select .cse1 (+ 12 c_~x~0.offset .cse2)) (select .cse1 (+ c_~x~0.offset 4 .cse2))))))))))) is different from false [2024-01-26 05:09:24,133 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1067 (Array Int Int)) (v_ArrVal_1066 (Array Int Int)) (|v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| Int) (|v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| Int)) (let ((.cse0 (+ |c_#StackHeapBarrier| 1))) (or (< |v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| .cse0) (< |v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| .cse0) (= (let ((.cse1 (select (store (store |c_#memory_int| |v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| v_ArrVal_1066) |v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| v_ArrVal_1067) c_~x~0.base)) (.cse2 (* c_~i2~0 4))) (+ (select .cse1 (+ 16 c_~x~0.offset .cse2)) c_~s22~0 c_~s12~0 (select .cse1 (+ 8 c_~x~0.offset .cse2)) (select .cse1 (+ 12 c_~x~0.offset .cse2)) (select .cse1 (+ c_~x~0.offset 4 .cse2)))) (+ c_~s11~0 c_~s21~0))))) is different from false [2024-01-26 05:09:26,285 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1067 (Array Int Int)) (v_ArrVal_1066 (Array Int Int)) (|v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| Int) (|v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| Int)) (let ((.cse2 (+ |c_#StackHeapBarrier| 1))) (or (= (let ((.cse0 (select (store (store |c_#memory_int| |v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| v_ArrVal_1066) |v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| v_ArrVal_1067) c_~x~0.base)) (.cse1 (* c_~i2~0 4))) (+ (select .cse0 (+ 16 c_~x~0.offset .cse1)) c_~s22~0 c_~s12~0 (select .cse0 (+ 8 c_~x~0.offset .cse1)) (select .cse0 (+ 12 c_~x~0.offset .cse1)) (select .cse0 (+ c_~x~0.offset 4 .cse1)))) (+ c_~s11~0 c_~t21~0 c_~s21~0)) (< |v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| .cse2) (< |v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| .cse2)))) is different from false [2024-01-26 05:09:28,312 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1067 (Array Int Int)) (v_ArrVal_1066 (Array Int Int)) (|v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| Int) (|v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| Int)) (let ((.cse0 (+ |c_#StackHeapBarrier| 1))) (or (< |v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| .cse0) (< |v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| .cse0) (= (let ((.cse1 (select (store (store |c_#memory_int| |v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| v_ArrVal_1066) |v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| v_ArrVal_1067) c_~x~0.base)) (.cse2 (* c_~i2~0 4))) (+ (select .cse1 (+ 16 c_~x~0.offset .cse2)) c_~s22~0 c_~s12~0 (select .cse1 (+ 8 c_~x~0.offset .cse2)) (select .cse1 (+ 12 c_~x~0.offset .cse2)) (select .cse1 (+ c_~x~0.offset 4 .cse2)))) (+ c_~s11~0 (select (select |c_#memory_int| c_~x~0.base) (+ c_~x~0.offset 4 (* c_~i1~0 4))) c_~s21~0))))) is different from false [2024-01-26 05:09:30,361 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1067 (Array Int Int)) (v_ArrVal_1066 (Array Int Int)) (|v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| Int) (|v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| Int)) (let ((.cse0 (+ |c_#StackHeapBarrier| 1))) (or (< |v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| .cse0) (< |v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| .cse0) (= (let ((.cse1 (select (store (store |c_#memory_int| |v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| v_ArrVal_1066) |v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| v_ArrVal_1067) c_~x~0.base)) (.cse2 (* c_~i2~0 4))) (+ (select .cse1 (+ 16 c_~x~0.offset .cse2)) c_~s22~0 c_~s12~0 (select .cse1 (+ 8 c_~x~0.offset .cse2)) (select .cse1 (+ 12 c_~x~0.offset .cse2)) (select .cse1 (+ c_~x~0.offset 4 .cse2)))) (+ c_~s11~0 c_~t21~0 (select (select |c_#memory_int| c_~x~0.base) (+ c_~x~0.offset 4 (* c_~i1~0 4))) c_~s21~0))))) is different from false [2024-01-26 05:09:32,385 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1067 (Array Int Int)) (v_ArrVal_1066 (Array Int Int)) (|v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| Int) (|v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| Int)) (let ((.cse0 (+ |c_#StackHeapBarrier| 1))) (or (< |v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| .cse0) (= (let ((.cse1 (select |c_#memory_int| c_~x~0.base)) (.cse2 (* c_~i1~0 4))) (+ c_~s11~0 (select .cse1 (+ 8 c_~x~0.offset .cse2)) (select .cse1 (+ c_~x~0.offset 4 .cse2)) c_~s21~0)) (let ((.cse3 (select (store (store |c_#memory_int| |v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| v_ArrVal_1066) |v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| v_ArrVal_1067) c_~x~0.base)) (.cse4 (* c_~i2~0 4))) (+ (select .cse3 (+ 16 c_~x~0.offset .cse4)) c_~s22~0 c_~s12~0 (select .cse3 (+ 8 c_~x~0.offset .cse4)) (select .cse3 (+ 12 c_~x~0.offset .cse4)) (select .cse3 (+ c_~x~0.offset 4 .cse4))))) (< |v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| .cse0)))) is different from false [2024-01-26 05:09:34,453 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1067 (Array Int Int)) (v_ArrVal_1066 (Array Int Int)) (|v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| Int) (|v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| Int)) (let ((.cse0 (+ |c_#StackHeapBarrier| 1))) (or (< |v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| .cse0) (< |v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| .cse0) (= (let ((.cse1 (select |c_#memory_int| c_~x~0.base)) (.cse2 (* c_~i1~0 4))) (+ c_~s11~0 (select .cse1 (+ 8 c_~x~0.offset .cse2)) c_~t21~0 (select .cse1 (+ c_~x~0.offset 4 .cse2)) c_~s21~0)) (let ((.cse3 (select (store (store |c_#memory_int| |v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| v_ArrVal_1066) |v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| v_ArrVal_1067) c_~x~0.base)) (.cse4 (* c_~i2~0 4))) (+ (select .cse3 (+ 16 c_~x~0.offset .cse4)) c_~s22~0 c_~s12~0 (select .cse3 (+ 8 c_~x~0.offset .cse4)) (select .cse3 (+ 12 c_~x~0.offset .cse4)) (select .cse3 (+ c_~x~0.offset 4 .cse4)))))))) is different from false [2024-01-26 05:09:36,481 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1067 (Array Int Int)) (v_ArrVal_1066 (Array Int Int)) (|v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| Int) (|v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| Int)) (let ((.cse0 (+ |c_#StackHeapBarrier| 1))) (or (< |v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| .cse0) (< |v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| .cse0) (= (let ((.cse1 (select (store (store |c_#memory_int| |v_thread4Thread1of1ForFork0_~#t5~0#1.base_47| v_ArrVal_1066) |v_thread4Thread1of1ForFork0_~#t6~0#1.base_47| v_ArrVal_1067) c_~x~0.base)) (.cse2 (* c_~i2~0 4))) (+ (select .cse1 (+ 16 c_~x~0.offset .cse2)) c_~s22~0 c_~s12~0 (select .cse1 (+ 8 c_~x~0.offset .cse2)) (select .cse1 (+ 12 c_~x~0.offset .cse2)) (select .cse1 (+ c_~x~0.offset 4 .cse2)))) (let ((.cse3 (select |c_#memory_int| c_~x~0.base)) (.cse4 (* c_~i1~0 4))) (+ c_~s11~0 (select .cse3 (+ 8 c_~x~0.offset .cse4)) (select .cse3 (+ c_~x~0.offset 4 .cse4)) c_~s21~0 (select .cse3 (+ 12 c_~x~0.offset .cse4)))))))) is different from false [2024-01-26 05:09:59,168 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:09:59,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 354 treesize of output 326 [2024-01-26 05:09:59,189 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:09:59,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 174 treesize of output 118 [2024-01-26 05:09:59,204 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:09:59,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 72 treesize of output 44 [2024-01-26 05:10:00,481 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 85 trivial. 38 not checked. [2024-01-26 05:10:00,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968485114] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:10:00,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:10:00,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 43, 34] total 87 [2024-01-26 05:10:00,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425137288] [2024-01-26 05:10:00,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:10:00,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-01-26 05:10:00,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:10:00,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-01-26 05:10:00,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=5626, Unknown=55, NotChecked=1440, Total=7482 [2024-01-26 05:10:00,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:10:00,484 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:10:00,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 7.482758620689655) internal successors, (651), 87 states have internal predecessors, (651), 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) [2024-01-26 05:10:00,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:10:00,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:10:00,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:10:00,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:10:00,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-01-26 05:10:00,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-01-26 05:10:00,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-01-26 05:10:00,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-01-26 05:10:00,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:10:00,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-01-26 05:10:00,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-01-26 05:10:00,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-01-26 05:10:00,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-01-26 05:10:00,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-01-26 05:10:00,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-01-26 05:10:00,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:10:11,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:10:11,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:10:11,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:10:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:10:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-01-26 05:10:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-01-26 05:10:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-01-26 05:10:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-01-26 05:10:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:10:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-01-26 05:10:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-01-26 05:10:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-01-26 05:10:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-01-26 05:10:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-01-26 05:10:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-01-26 05:10:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-01-26 05:10:11,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-01-26 05:10:11,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-01-26 05:10:11,723 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:10:11,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:10:11,724 INFO L85 PathProgramCache]: Analyzing trace with hash -2062572510, now seen corresponding path program 2 times [2024-01-26 05:10:11,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:10:11,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903408440] [2024-01-26 05:10:11,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:10:11,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:10:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:10:16,894 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:10:16,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:10:16,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903408440] [2024-01-26 05:10:16,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903408440] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:10:16,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127434051] [2024-01-26 05:10:16,895 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 05:10:16,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:10:16,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:10:16,896 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:10:16,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-01-26 05:10:17,142 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 05:10:17,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:10:17,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 123 conjunts are in the unsatisfiable core [2024-01-26 05:10:17,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:10:21,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:10:21,177 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 40 treesize of output 29 [2024-01-26 05:10:21,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:10:21,351 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 40 treesize of output 29 [2024-01-26 05:10:22,178 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:10:22,179 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 67 treesize of output 19 [2024-01-26 05:10:22,207 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:10:22,207 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:11:29,745 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:11:29,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 718 treesize of output 510 [2024-01-26 05:11:29,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 45 [2024-01-26 05:11:29,773 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:11:29,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 100 treesize of output 44 [2024-01-26 05:11:32,887 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:11:32,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127434051] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:11:32,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:11:32,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 49, 46] total 131 [2024-01-26 05:11:32,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431530673] [2024-01-26 05:11:32,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:11:32,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2024-01-26 05:11:32,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:11:32,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2024-01-26 05:11:32,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=968, Invalid=15988, Unknown=74, NotChecked=0, Total=17030 [2024-01-26 05:11:32,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:11:32,893 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:11:32,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 6.33587786259542) internal successors, (830), 131 states have internal predecessors, (830), 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) [2024-01-26 05:11:32,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:11:32,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:11:32,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:11:32,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:11:32,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-01-26 05:11:32,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-01-26 05:11:32,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-01-26 05:11:32,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-01-26 05:11:32,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:11:32,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-01-26 05:11:32,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-01-26 05:11:32,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-01-26 05:11:32,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-01-26 05:11:32,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-01-26 05:11:32,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-01-26 05:11:32,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-01-26 05:11:32,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:11:51,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:11:51,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:11:51,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:11:51,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:11:51,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-01-26 05:11:51,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-01-26 05:11:51,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-01-26 05:11:51,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-01-26 05:11:51,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:11:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2024-01-26 05:11:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-01-26 05:11:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-01-26 05:11:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-01-26 05:11:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-01-26 05:11:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-01-26 05:11:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-01-26 05:11:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-01-26 05:11:51,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-01-26 05:11:51,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-01-26 05:11:51,402 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:11:51,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:11:51,402 INFO L85 PathProgramCache]: Analyzing trace with hash -2003900018, now seen corresponding path program 3 times [2024-01-26 05:11:51,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:11:51,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961571109] [2024-01-26 05:11:51,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:11:51,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:11:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:11:52,373 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 56 proven. 108 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-01-26 05:11:52,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:11:52,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961571109] [2024-01-26 05:11:52,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961571109] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:11:52,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850645042] [2024-01-26 05:11:52,374 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 05:11:52,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:11:52,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:11:52,375 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:11:52,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-01-26 05:11:52,678 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-01-26 05:11:52,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:11:52,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 129 conjunts are in the unsatisfiable core [2024-01-26 05:11:52,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:11:55,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:11:55,811 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 46 treesize of output 35 [2024-01-26 05:11:55,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:11:55,950 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 46 treesize of output 35 [2024-01-26 05:11:56,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:11:56,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:11:56,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:11:56,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:11:56,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:11:56,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 05:11:56,702 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:11:56,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 63 treesize of output 97 [2024-01-26 05:11:57,177 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 41 proven. 61 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-01-26 05:11:57,177 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:12:16,652 INFO L349 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2024-01-26 05:12:16,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 328 treesize of output 181 [2024-01-26 05:12:16,664 INFO L349 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2024-01-26 05:12:16,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 163 treesize of output 109 [2024-01-26 05:12:16,674 INFO L349 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2024-01-26 05:12:16,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 71 treesize of output 44 [2024-01-26 05:12:18,376 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-01-26 05:12:18,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850645042] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:12:18,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:12:18,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 47, 47] total 112 [2024-01-26 05:12:18,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632371192] [2024-01-26 05:12:18,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:12:18,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2024-01-26 05:12:18,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:12:18,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2024-01-26 05:12:18,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=532, Invalid=11883, Unknown=17, NotChecked=0, Total=12432 [2024-01-26 05:12:18,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:12:18,380 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:12:18,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 7.142857142857143) internal successors, (800), 112 states have internal predecessors, (800), 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) [2024-01-26 05:12:18,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:12:18,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-26 05:12:18,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:12:18,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 05:12:18,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-01-26 05:12:18,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-01-26 05:12:18,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-01-26 05:12:18,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-01-26 05:12:18,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:12:18,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2024-01-26 05:12:18,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-01-26 05:12:18,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-01-26 05:12:18,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-01-26 05:12:18,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-01-26 05:12:18,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-01-26 05:12:18,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-01-26 05:12:18,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-01-26 05:12:18,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:12:43,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:12:45,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:12:47,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:12:50,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:12:52,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:12:54,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:13:01,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:13:03,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:13:05,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:13:09,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:13:19,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:13:22,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:13:32,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:14:55,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:15:15,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:15:41,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-26 05:16:00,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] Received shutdown request... [2024-01-26 05:16:04,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-01-26 05:16:04,714 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 05:16:04,714 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 05:16:04,714 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 05:16:04,714 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 05:16:04,714 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 05:16:04,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-01-26 05:16:04,880 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 621 known predicates. [2024-01-26 05:16:04,881 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-26 05:16:04,882 INFO L445 BasicCegarLoop]: Path program histogram: [10, 3, 1, 1, 1, 1, 1] [2024-01-26 05:16:04,882 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (3/11) [2024-01-26 05:16:04,883 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 05:16:04,883 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 05:16:04,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 05:16:04 BasicIcfg [2024-01-26 05:16:04,886 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 05:16:04,886 INFO L158 Benchmark]: Toolchain (without parser) took 825256.47ms. Allocated memory was 245.4MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 192.7MB in the beginning and 3.8GB in the end (delta: -3.6GB). Peak memory consumption was 819.2MB. Max. memory is 8.0GB. [2024-01-26 05:16:04,886 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 176.2MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-01-26 05:16:04,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.99ms. Allocated memory is still 245.4MB. Free memory was 192.5MB in the beginning and 179.0MB in the end (delta: 13.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-01-26 05:16:04,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.96ms. Allocated memory is still 245.4MB. Free memory was 179.0MB in the beginning and 175.7MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-01-26 05:16:04,886 INFO L158 Benchmark]: Boogie Preprocessor took 39.85ms. Allocated memory is still 245.4MB. Free memory was 175.7MB in the beginning and 173.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 05:16:04,887 INFO L158 Benchmark]: RCFGBuilder took 764.95ms. Allocated memory is still 245.4MB. Free memory was 173.1MB in the beginning and 156.8MB in the end (delta: 16.3MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-01-26 05:16:04,887 INFO L158 Benchmark]: TraceAbstraction took 824179.70ms. Allocated memory was 245.4MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 155.8MB in the beginning and 3.8GB in the end (delta: -3.6GB). Peak memory consumption was 782.5MB. Max. memory is 8.0GB. [2024-01-26 05:16:04,887 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 176.2MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 224.99ms. Allocated memory is still 245.4MB. Free memory was 192.5MB in the beginning and 179.0MB in the end (delta: 13.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.96ms. Allocated memory is still 245.4MB. Free memory was 179.0MB in the beginning and 175.7MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.85ms. Allocated memory is still 245.4MB. Free memory was 175.7MB in the beginning and 173.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 764.95ms. Allocated memory is still 245.4MB. Free memory was 173.1MB in the beginning and 156.8MB in the end (delta: 16.3MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 824179.70ms. Allocated memory was 245.4MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 155.8MB in the beginning and 3.8GB in the end (delta: -3.6GB). Peak memory consumption was 782.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6272767, independent: 6024032, independent conditional: 6024032, independent unconditional: 0, dependent: 248735, dependent conditional: 248735, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6044958, independent: 6024032, independent conditional: 6024032, independent unconditional: 0, dependent: 20926, dependent conditional: 20926, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6044958, independent: 6024032, independent conditional: 6024032, independent unconditional: 0, dependent: 20926, dependent conditional: 20926, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6335137, independent: 6024032, independent conditional: 0, independent unconditional: 6024032, dependent: 311105, dependent conditional: 290179, dependent unconditional: 20926, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6335137, independent: 6024032, independent conditional: 0, independent unconditional: 6024032, dependent: 311105, dependent conditional: 130943, dependent unconditional: 180162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6335137, independent: 6024032, independent conditional: 0, independent unconditional: 6024032, dependent: 311105, dependent conditional: 130943, dependent unconditional: 180162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2217, independent: 1654, independent conditional: 0, independent unconditional: 1654, dependent: 563, dependent conditional: 555, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2217, independent: 1650, independent conditional: 0, independent unconditional: 1650, dependent: 567, dependent conditional: 0, dependent unconditional: 567, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 567, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 563, dependent conditional: 555, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 567, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 563, dependent conditional: 555, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1234, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 1231, dependent conditional: 1166, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6335137, independent: 6022378, independent conditional: 0, independent unconditional: 6022378, dependent: 310542, dependent conditional: 130388, dependent unconditional: 180154, unknown: 2217, unknown conditional: 555, unknown unconditional: 1662] , Statistics on independence cache: Total cache size (in pairs): 2217, Positive cache size: 1654, Positive conditional cache size: 0, Positive unconditional cache size: 1654, Negative cache size: 563, Negative conditional cache size: 555, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 159236, Maximal queried relation: 18, Independence queries for same thread: 227809 - TimeoutResultAtElement [Line: 166]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 621 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 13 procedures, 393 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 13 procedures, 393 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 13 procedures, 393 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 823.8s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 446.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1633, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 368.6s InterpolantComputationTime, 9274 NumberOfCodeBlocks, 9190 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 13271 ConstructedInterpolants, 336 QuantifiedInterpolants, 165473 SizeOfPredicates, 521 NumberOfNonLiveVariables, 10851 ConjunctsInSsa, 925 ConjunctsInUnsatCore, 47 InterpolantComputations, 4 PerfectInterpolantSequences, 1860/4231 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown