/root/.sdkman/candidates/java/current/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/pthread/queue_ok_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 17:37:41,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 17:37:41,595 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-30 17:37:41,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 17:37:41,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 17:37:41,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 17:37:41,641 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 17:37:41,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 17:37:41,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 17:37:41,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 17:37:41,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 17:37:41,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 17:37:41,644 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 17:37:41,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 17:37:41,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 17:37:41,645 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 17:37:41,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 17:37:41,645 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 17:37:41,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 17:37:41,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 17:37:41,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 17:37:41,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 17:37:41,650 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 17:37:41,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 17:37:41,651 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 17:37:41,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 17:37:41,651 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 17:37:41,651 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 17:37:41,652 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 17:37:41,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 17:37:41,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 17:37:41,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 17:37:41,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 17:37:41,656 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 17:37:41,656 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-30 17:37:41,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-30 17:37:41,656 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 17:37:41,656 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 17:37:41,657 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 17:37:41,657 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 17:37:41,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 17:37:41,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 17:37:41,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 17:37:41,940 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 17:37:41,940 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 17:37:41,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longest.i [2024-05-30 17:37:43,165 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 17:37:43,440 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 17:37:43,444 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i [2024-05-30 17:37:43,473 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9fa9b042e/5b1bf4b7fd9f40cdbad192b887fb28c8/FLAG0eefd531f [2024-05-30 17:37:43,491 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9fa9b042e/5b1bf4b7fd9f40cdbad192b887fb28c8 [2024-05-30 17:37:43,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 17:37:43,496 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 17:37:43,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 17:37:43,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 17:37:43,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 17:37:43,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 05:37:43" (1/1) ... [2024-05-30 17:37:43,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9ce140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:37:43, skipping insertion in model container [2024-05-30 17:37:43,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 05:37:43" (1/1) ... [2024-05-30 17:37:43,549 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 17:37:43,922 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43280,43293] [2024-05-30 17:37:43,928 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43553,43566] [2024-05-30 17:37:43,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 17:37:43,943 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 17:37:44,035 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43280,43293] [2024-05-30 17:37:44,037 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43553,43566] [2024-05-30 17:37:44,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 17:37:44,085 INFO L206 MainTranslator]: Completed translation [2024-05-30 17:37:44,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:37:44 WrapperNode [2024-05-30 17:37:44,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 17:37:44,086 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 17:37:44,086 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 17:37:44,087 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 17:37:44,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:37:44" (1/1) ... [2024-05-30 17:37:44,107 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:37:44" (1/1) ... [2024-05-30 17:37:44,132 INFO L138 Inliner]: procedures = 275, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 206 [2024-05-30 17:37:44,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 17:37:44,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 17:37:44,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 17:37:44,133 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 17:37:44,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:37:44" (1/1) ... [2024-05-30 17:37:44,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:37:44" (1/1) ... [2024-05-30 17:37:44,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:37:44" (1/1) ... [2024-05-30 17:37:44,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:37:44" (1/1) ... [2024-05-30 17:37:44,154 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:37:44" (1/1) ... [2024-05-30 17:37:44,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:37:44" (1/1) ... [2024-05-30 17:37:44,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:37:44" (1/1) ... [2024-05-30 17:37:44,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:37:44" (1/1) ... [2024-05-30 17:37:44,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 17:37:44,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 17:37:44,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 17:37:44,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 17:37:44,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:37:44" (1/1) ... [2024-05-30 17:37:44,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 17:37:44,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:37:44,226 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) [2024-05-30 17:37:44,256 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 [2024-05-30 17:37:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-05-30 17:37:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-05-30 17:37:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-05-30 17:37:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-05-30 17:37:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 17:37:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 17:37:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-30 17:37:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 17:37:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 17:37:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-30 17:37:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 17:37:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 17:37:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 17:37:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 17:37:44,284 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 17:37:44,443 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 17:37:44,445 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 17:37:44,679 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 17:37:44,706 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 17:37:44,706 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-30 17:37:44,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 05:37:44 BoogieIcfgContainer [2024-05-30 17:37:44,707 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 17:37:44,709 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 17:37:44,709 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 17:37:44,712 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 17:37:44,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 05:37:43" (1/3) ... [2024-05-30 17:37:44,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a454c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 05:37:44, skipping insertion in model container [2024-05-30 17:37:44,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:37:44" (2/3) ... [2024-05-30 17:37:44,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a454c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 05:37:44, skipping insertion in model container [2024-05-30 17:37:44,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 05:37:44" (3/3) ... [2024-05-30 17:37:44,714 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2024-05-30 17:37:44,725 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 17:37:44,735 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 17:37:44,735 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-05-30 17:37:44,735 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 17:37:44,822 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-30 17:37:44,863 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:37:44,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 17:37:44,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:37:44,866 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) [2024-05-30 17:37:44,867 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 [2024-05-30 17:37:44,896 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 17:37:44,901 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 17:37:44,907 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;@5e723b7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:37:44,907 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 17:37:44,933 INFO L78 Accepts]: Start accepts. Automaton has currently 56 states, but on-demand construction may add more states Word has length 53 [2024-05-30 17:37:44,934 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:37:44,934 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:37:44,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:37:44,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1510343865, now seen corresponding path program 1 times [2024-05-30 17:37:44,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:37:44,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900304752] [2024-05-30 17:37:44,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:37:44,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:37:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:37:45,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:45,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:37:45,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900304752] [2024-05-30 17:37:45,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900304752] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:37:45,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 17:37:45,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 17:37:45,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230881857] [2024-05-30 17:37:45,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:37:45,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 17:37:45,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:37:45,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 17:37:45,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 17:37:45,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:45,253 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:37:45,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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) [2024-05-30 17:37:45,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:45,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:45,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 17:37:45,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 17:37:45,275 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-05-30 17:37:45,276 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/5) [2024-05-30 17:37:45,283 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:37:45,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 17:37:45,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:37:45,345 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) [2024-05-30 17:37:45,347 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 [2024-05-30 17:37:45,350 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 17:37:45,350 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-30 17:37:45,351 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;@5e723b7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:37:45,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 17:37:45,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-30 17:37:45,363 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 17:37:45,363 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/5) [2024-05-30 17:37:45,368 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:37:45,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 17:37:45,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:37:45,374 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) [2024-05-30 17:37:45,377 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 [2024-05-30 17:37:45,379 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 17:37:45,380 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-30 17:37:45,381 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;@5e723b7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:37:45,381 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 17:37:45,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-30 17:37:45,563 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 17:37:45,563 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/5) [2024-05-30 17:37:45,567 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:37:45,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 17:37:45,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:37:45,570 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 17:37:45,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-05-30 17:37:45,580 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 17:37:45,580 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 17:37:45,581 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;@5e723b7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:37:45,581 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 17:37:45,582 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2024-05-30 17:37:45,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 17:37:45,583 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 17:37:45,583 INFO L308 ceAbstractionStarter]: Result for error location t2Err0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (4/5) [2024-05-30 17:37:45,587 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:37:45,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 17:37:45,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:37:45,592 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 17:37:45,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2024-05-30 17:37:45,600 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 17:37:45,601 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 17:37:45,602 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;@5e723b7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:37:45,602 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 17:37:45,618 INFO L78 Accepts]: Start accepts. Automaton has currently 240 states, but on-demand construction may add more states Word has length 118 [2024-05-30 17:37:45,619 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:37:45,619 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:37:45,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:37:45,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1796529969, now seen corresponding path program 1 times [2024-05-30 17:37:45,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:37:45,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850073397] [2024-05-30 17:37:45,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:37:45,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:37:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:37:45,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:45,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:37:45,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850073397] [2024-05-30 17:37:45,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850073397] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:37:45,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 17:37:45,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 17:37:45,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144242271] [2024-05-30 17:37:45,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:37:45,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 17:37:45,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:37:45,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 17:37:45,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 17:37:45,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:45,719 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:37:45,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 59.0) internal successors, (118), 2 states have internal predecessors, (118), 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) [2024-05-30 17:37:45,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:45,743 INFO L78 Accepts]: Start accepts. Automaton has currently 234 states, but on-demand construction may add more states Word has length 116 [2024-05-30 17:37:45,745 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:37:45,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 17:37:45,745 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:37:45,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:37:45,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1402276616, now seen corresponding path program 1 times [2024-05-30 17:37:45,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:37:45,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924428653] [2024-05-30 17:37:45,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:37:45,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:37:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:37:46,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:46,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:37:46,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924428653] [2024-05-30 17:37:46,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924428653] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:37:46,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 17:37:46,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-30 17:37:46,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119099706] [2024-05-30 17:37:46,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:37:46,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-30 17:37:46,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:37:46,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-30 17:37:46,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-30 17:37:46,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:46,089 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:37:46,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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) [2024-05-30 17:37:46,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:46,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:46,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:46,182 INFO L78 Accepts]: Start accepts. Automaton has currently 239 states, but on-demand construction may add more states Word has length 129 [2024-05-30 17:37:46,185 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:37:46,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 17:37:46,185 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:37:46,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:37:46,186 INFO L85 PathProgramCache]: Analyzing trace with hash 2100485841, now seen corresponding path program 1 times [2024-05-30 17:37:46,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:37:46,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272254438] [2024-05-30 17:37:46,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:37:46,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:37:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:37:46,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:46,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:37:46,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272254438] [2024-05-30 17:37:46,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272254438] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:37:46,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 17:37:46,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-30 17:37:46,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13591254] [2024-05-30 17:37:46,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:37:46,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-30 17:37:46,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:37:46,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-30 17:37:46,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-30 17:37:46,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:46,276 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:37:46,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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) [2024-05-30 17:37:46,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:46,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:46,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:46,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:46,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:46,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:46,328 INFO L78 Accepts]: Start accepts. Automaton has currently 271 states, but on-demand construction may add more states Word has length 161 [2024-05-30 17:37:46,329 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:37:46,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-30 17:37:46,329 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:37:46,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:37:46,330 INFO L85 PathProgramCache]: Analyzing trace with hash -151016375, now seen corresponding path program 1 times [2024-05-30 17:37:46,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:37:46,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441573156] [2024-05-30 17:37:46,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:37:46,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:37:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:37:46,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:46,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:37:46,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441573156] [2024-05-30 17:37:46,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441573156] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:37:46,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801572576] [2024-05-30 17:37:46,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:37:46,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:37:46,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:37:46,558 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) [2024-05-30 17:37:46,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-30 17:37:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:37:46,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 3 conjunts are in the unsatisfiable core [2024-05-30 17:37:46,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:37:46,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-05-30 17:37:46,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 17:37:46,831 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-30 17:37:46,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801572576] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:37:46,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-30 17:37:46,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-05-30 17:37:46,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22017020] [2024-05-30 17:37:46,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:37:46,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-30 17:37:46,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:37:46,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-30 17:37:46,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-30 17:37:46,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:46,836 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:37:46,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 17:37:46,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:46,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:46,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:46,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:46,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:46,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:46,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:46,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:46,882 INFO L78 Accepts]: Start accepts. Automaton has currently 302 states, but on-demand construction may add more states Word has length 162 [2024-05-30 17:37:46,883 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:37:46,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-30 17:37:47,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:37:47,091 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:37:47,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:37:47,092 INFO L85 PathProgramCache]: Analyzing trace with hash -471811561, now seen corresponding path program 1 times [2024-05-30 17:37:47,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:37:47,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521238225] [2024-05-30 17:37:47,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:37:47,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:37:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:37:47,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:47,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:37:47,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521238225] [2024-05-30 17:37:47,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521238225] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:37:47,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859454582] [2024-05-30 17:37:47,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:37:47,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:37:47,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:37:47,236 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) [2024-05-30 17:37:47,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-30 17:37:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:37:47,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-30 17:37:47,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:37:47,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:47,477 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:37:47,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:47,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859454582] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:37:47,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:37:47,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-05-30 17:37:47,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920519921] [2024-05-30 17:37:47,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:37:47,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-30 17:37:47,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:37:47,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-30 17:37:47,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-05-30 17:37:47,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:47,561 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:37:47,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 22.8) internal successors, (228), 10 states have internal predecessors, (228), 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) [2024-05-30 17:37:47,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:47,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:47,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:47,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:47,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:47,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:47,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:47,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:47,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:47,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:37:47,650 INFO L78 Accepts]: Start accepts. Automaton has currently 332 states, but on-demand construction may add more states Word has length 226 [2024-05-30 17:37:47,652 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:37:47,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-30 17:37:47,858 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,SelfDestructingSolverStorable5 [2024-05-30 17:37:47,859 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:37:47,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:37:47,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1695346393, now seen corresponding path program 2 times [2024-05-30 17:37:47,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:37:47,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375382882] [2024-05-30 17:37:47,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:37:47,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:37:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:37:48,203 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:48,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:37:48,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375382882] [2024-05-30 17:37:48,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375382882] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:37:48,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341384212] [2024-05-30 17:37:48,204 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 17:37:48,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:37:48,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:37:48,206 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) [2024-05-30 17:37:48,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-30 17:37:48,368 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-05-30 17:37:48,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:37:48,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjunts are in the unsatisfiable core [2024-05-30 17:37:48,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:37:48,406 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-05-30 17:37:48,406 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-30 17:37:48,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341384212] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:37:48,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-30 17:37:48,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2024-05-30 17:37:48,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586050577] [2024-05-30 17:37:48,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:37:48,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-30 17:37:48,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:37:48,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-30 17:37:48,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-05-30 17:37:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:48,408 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:37:48,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 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) [2024-05-30 17:37:48,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:48,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:48,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:48,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:48,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:37:48,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:48,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:48,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:48,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:48,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:48,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:37:48,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:37:48,470 INFO L78 Accepts]: Start accepts. Automaton has currently 441 states, but on-demand construction may add more states Word has length 225 [2024-05-30 17:37:48,472 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:37:48,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-30 17:37:48,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:37:48,680 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:37:48,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:37:48,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1083814742, now seen corresponding path program 1 times [2024-05-30 17:37:48,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:37:48,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351228922] [2024-05-30 17:37:48,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:37:48,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:37:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:37:48,941 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:48,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:37:48,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351228922] [2024-05-30 17:37:48,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351228922] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:37:48,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851771810] [2024-05-30 17:37:48,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:37:48,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:37:48,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:37:48,944 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) [2024-05-30 17:37:48,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-30 17:37:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:37:49,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-30 17:37:49,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:37:49,270 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:49,270 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:37:49,444 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:49,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851771810] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:37:49,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:37:49,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-05-30 17:37:49,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654622757] [2024-05-30 17:37:49,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:37:49,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-30 17:37:49,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:37:49,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-05-30 17:37:49,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-05-30 17:37:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:49,448 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:37:49,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 19.72222222222222) internal successors, (355), 18 states have internal predecessors, (355), 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) [2024-05-30 17:37:49,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:49,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:49,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:49,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:49,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:37:49,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:37:49,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:49,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:49,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:49,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:49,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:49,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:37:49,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:37:49,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:37:49,651 INFO L78 Accepts]: Start accepts. Automaton has currently 573 states, but on-demand construction may add more states Word has length 353 [2024-05-30 17:37:49,655 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:37:49,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-30 17:37:49,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:37:49,862 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:37:49,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:37:49,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1104468618, now seen corresponding path program 2 times [2024-05-30 17:37:49,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:37:49,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848896578] [2024-05-30 17:37:49,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:37:49,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:37:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:37:50,564 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 679 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:50,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:37:50,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848896578] [2024-05-30 17:37:50,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848896578] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:37:50,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986709969] [2024-05-30 17:37:50,565 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 17:37:50,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:37:50,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:37:50,567 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) [2024-05-30 17:37:50,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-30 17:37:50,838 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 17:37:50,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:37:50,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-30 17:37:50,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:37:51,101 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 679 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:51,102 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:37:51,617 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 679 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:51,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986709969] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:37:51,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:37:51,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-05-30 17:37:51,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557900895] [2024-05-30 17:37:51,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:37:51,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-05-30 17:37:51,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:37:51,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-05-30 17:37:51,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-05-30 17:37:51,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:51,624 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:37:51,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 17.970588235294116) internal successors, (611), 34 states have internal predecessors, (611), 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) [2024-05-30 17:37:51,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:51,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:51,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:51,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:51,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:37:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:37:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:37:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:52,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:52,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:52,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:52,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:52,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:37:52,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:37:52,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:37:52,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 17:37:52,291 INFO L78 Accepts]: Start accepts. Automaton has currently 837 states, but on-demand construction may add more states Word has length 609 [2024-05-30 17:37:52,296 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:37:52,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-30 17:37:52,506 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,SelfDestructingSolverStorable8 [2024-05-30 17:37:52,506 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:37:52,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:37:52,507 INFO L85 PathProgramCache]: Analyzing trace with hash -629672374, now seen corresponding path program 3 times [2024-05-30 17:37:52,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:37:52,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854050034] [2024-05-30 17:37:52,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:37:52,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:37:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:37:54,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3375 backedges. 0 proven. 3375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:54,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:37:54,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854050034] [2024-05-30 17:37:54,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854050034] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:37:54,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494614459] [2024-05-30 17:37:54,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 17:37:54,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:37:54,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:37:54,351 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) [2024-05-30 17:37:54,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-30 17:37:54,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-30 17:37:54,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:37:54,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 71 conjunts are in the unsatisfiable core [2024-05-30 17:37:54,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:37:57,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-05-30 17:37:57,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 17:37:57,159 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 [2024-05-30 17:37:57,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 17:37:57,391 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 27 treesize of output 11 [2024-05-30 17:37:57,447 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 23 treesize of output 11 [2024-05-30 17:37:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 3375 backedges. 801 proven. 0 refuted. 0 times theorem prover too weak. 2574 trivial. 0 not checked. [2024-05-30 17:37:57,520 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-30 17:37:57,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494614459] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:37:57,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-30 17:37:57,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [33] total 44 [2024-05-30 17:37:57,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240813464] [2024-05-30 17:37:57,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:37:57,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-05-30 17:37:57,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:37:57,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-05-30 17:37:57,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=1553, Unknown=0, NotChecked=0, Total=1892 [2024-05-30 17:37:57,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:57,524 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:37:57,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 16.923076923076923) internal successors, (220), 13 states have internal predecessors, (220), 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) [2024-05-30 17:37:57,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:57,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:57,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:57,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:57,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:37:57,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:37:57,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:37:57,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 17:37:57,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:57,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:57,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:57,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:57,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:57,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:37:57,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:37:57,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:37:57,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 17:37:57,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 17:37:57,852 INFO L78 Accepts]: Start accepts. Automaton has currently 895 states, but on-demand construction may add more states Word has length 673 [2024-05-30 17:37:57,856 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:37:57,864 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-05-30 17:37:58,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:37:58,063 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:37:58,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:37:58,064 INFO L85 PathProgramCache]: Analyzing trace with hash 8366826, now seen corresponding path program 1 times [2024-05-30 17:37:58,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:37:58,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767227978] [2024-05-30 17:37:58,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:37:58,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:37:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:37:59,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 0 proven. 3840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:59,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:37:59,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767227978] [2024-05-30 17:37:59,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767227978] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:37:59,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76333668] [2024-05-30 17:37:59,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:37:59,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:37:59,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:37:59,884 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) [2024-05-30 17:37:59,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-30 17:38:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:38:00,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 34 conjunts are in the unsatisfiable core [2024-05-30 17:38:00,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:38:00,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 0 proven. 3840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:38:00,901 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:38:02,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 0 proven. 3840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:38:02,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76333668] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:38:02,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:38:02,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 70 [2024-05-30 17:38:02,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424894953] [2024-05-30 17:38:02,274 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:38:02,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-05-30 17:38:02,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:38:02,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-05-30 17:38:02,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1260, Invalid=3570, Unknown=0, NotChecked=0, Total=4830 [2024-05-30 17:38:02,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:38:02,280 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:38:02,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 17.87142857142857) internal successors, (1251), 70 states have internal predecessors, (1251), 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) [2024-05-30 17:38:02,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:38:02,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:38:02,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:38:02,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:38:02,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:38:02,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:38:02,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:38:02,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 17:38:02,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 17:38:02,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:38:04,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:38:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:38:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:38:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:38:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:38:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:38:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:38:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 17:38:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 17:38:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-30 17:38:04,438 INFO L78 Accepts]: Start accepts. Automaton has currently 1516 states, but on-demand construction may add more states Word has length 1285 [2024-05-30 17:38:04,446 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:38:04,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-30 17:38:04,653 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,SelfDestructingSolverStorable10 [2024-05-30 17:38:04,654 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:38:04,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:38:04,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1960875879, now seen corresponding path program 2 times [2024-05-30 17:38:04,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:38:04,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34452429] [2024-05-30 17:38:04,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:38:04,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:38:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:38:11,375 INFO L134 CoverageAnalysis]: Checked inductivity of 17952 backedges. 0 proven. 17952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:38:11,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:38:11,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34452429] [2024-05-30 17:38:11,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34452429] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:38:11,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57052732] [2024-05-30 17:38:11,376 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 17:38:11,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:38:11,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:38:11,379 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) [2024-05-30 17:38:11,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-30 17:38:11,987 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 17:38:11,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:38:11,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 70 conjunts are in the unsatisfiable core [2024-05-30 17:38:12,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:38:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 17952 backedges. 0 proven. 17952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:38:13,168 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:38:17,452 INFO L134 CoverageAnalysis]: Checked inductivity of 17952 backedges. 0 proven. 17952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:38:17,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57052732] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:38:17,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:38:17,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 142 [2024-05-30 17:38:17,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287428171] [2024-05-30 17:38:17,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:38:17,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2024-05-30 17:38:17,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:38:17,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2024-05-30 17:38:17,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5112, Invalid=14910, Unknown=0, NotChecked=0, Total=20022 [2024-05-30 17:38:17,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:38:17,468 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:38:17,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 17.429577464788732) internal successors, (2475), 142 states have internal predecessors, (2475), 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) [2024-05-30 17:38:17,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:38:17,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:38:17,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:38:17,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:38:17,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:38:17,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:38:17,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:38:17,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 17:38:17,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 17:38:17,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-30 17:38:17,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:38:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:38:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:38:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:38:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:38:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:38:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:38:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:38:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 17:38:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 17:38:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-30 17:38:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2024-05-30 17:38:25,187 INFO L78 Accepts]: Start accepts. Automaton has currently 2758 states, but on-demand construction may add more states Word has length 2509 [2024-05-30 17:38:25,200 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:38:25,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-30 17:38:25,408 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,SelfDestructingSolverStorable11 [2024-05-30 17:38:25,409 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:38:25,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:38:25,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1774876447, now seen corresponding path program 3 times [2024-05-30 17:38:25,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:38:25,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600364220] [2024-05-30 17:38:25,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:38:25,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:38:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:38:53,129 INFO L134 CoverageAnalysis]: Checked inductivity of 77280 backedges. 0 proven. 77280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:38:53,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:38:53,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600364220] [2024-05-30 17:38:53,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600364220] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:38:53,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880319843] [2024-05-30 17:38:53,130 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 17:38:53,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:38:53,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:38:53,133 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) [2024-05-30 17:38:53,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-30 17:38:54,093 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-05-30 17:38:54,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:38:54,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 85 conjunts are in the unsatisfiable core [2024-05-30 17:38:54,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:39:06,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-05-30 17:39:06,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 17:39:06,560 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 [2024-05-30 17:39:06,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 17:39:06,879 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 27 treesize of output 11 [2024-05-30 17:39:06,917 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 23 treesize of output 11 [2024-05-30 17:39:07,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-05-30 17:39:07,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 17:39:07,347 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 [2024-05-30 17:39:07,702 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 23 treesize of output 11 [2024-05-30 17:39:07,751 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 23 treesize of output 11 [2024-05-30 17:39:07,848 INFO L134 CoverageAnalysis]: Checked inductivity of 77280 backedges. 6731 proven. 1568 refuted. 0 times theorem prover too weak. 68981 trivial. 0 not checked. [2024-05-30 17:39:07,849 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:39:08,836 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (v_ArrVal_3000 (Array Int Int))) (not (= 800 (let ((.cse1 (+ |c_~#queue~0.offset| 3204))) (select (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ 3204 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (+ |c_t1Thread1of1ForFork1_enqueue_#t~post41#1| 1))) |c_~#stored_elements~0.base| v_ArrVal_3000) |c_~#queue~0.base|))) (store .cse0 (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|)) .cse1))))) is different from false [2024-05-30 17:39:08,843 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (v_ArrVal_3000 (Array Int Int))) (not (= (let ((.cse1 (+ |c_~#queue~0.offset| 3204))) (select (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ 3204 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (+ |c_t1Thread1of1ForFork1_enqueue_#t~mem40#1| 1))) |c_~#stored_elements~0.base| v_ArrVal_3000) |c_~#queue~0.base|))) (store .cse0 (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|)) .cse1)) 800))) is different from false [2024-05-30 17:39:08,851 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (v_ArrVal_3000 (Array Int Int))) (not (= 800 (let ((.cse1 (+ |c_~#queue~0.offset| 3204))) (select (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (let ((.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|)) (.cse3 (+ 3204 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_3000) |c_~#queue~0.base|))) (store .cse0 (+ |c_~#queue~0.offset| (* (select .cse0 .cse1) 4)) |t1Thread1of1ForFork1_enqueue_~x#1|)) .cse1))))) is different from false [2024-05-30 17:39:08,864 WARN L854 $PredicateComparison]: unable to prove that (or (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (v_ArrVal_3000 (Array Int Int))) (not (= 800 (let ((.cse1 (+ |c_~#queue~0.offset| 3204))) (select (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (let ((.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|)) (.cse3 (+ 3204 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_3000) |c_~#queue~0.base|))) (store .cse0 (+ |c_~#queue~0.offset| (* (select .cse0 .cse1) 4)) |t1Thread1of1ForFork1_enqueue_~x#1|)) .cse1))))) (= |c_t1Thread1of1ForFork1_enqueue_#t~mem39#1| 800)) is different from false [2024-05-30 17:39:09,177 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|)) (.cse3 (+ 3204 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|))) (let ((.cse4 (select .cse2 .cse3))) (or (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (v_ArrVal_3000 (Array Int Int)) (|t1Thread1of1ForFork1_enqueue_#t~post38#1| Int)) (not (= 800 (let ((.cse1 (+ |c_~#queue~0.offset| 3204))) (select (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (store .cse2 (+ 3208 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (+ |t1Thread1of1ForFork1_enqueue_#t~post38#1| 1)) .cse3 (+ .cse4 1))) |c_~#stored_elements~0.base| v_ArrVal_3000) |c_~#queue~0.base|))) (store .cse0 (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|)) .cse1))))) (= .cse4 800)))) is different from false [2024-05-30 17:39:09,219 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int)) (let ((.cse3 (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ (* 4 |c_t1Thread1of1ForFork1_enqueue_#t~mem36#1|) |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|)) (.cse4 (+ 3204 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|))) (let ((.cse0 (select .cse3 .cse4))) (or (= .cse0 800) (forall ((v_ArrVal_3000 (Array Int Int)) (|t1Thread1of1ForFork1_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork1_enqueue_~x#1_201| Int)) (not (= 800 (let ((.cse2 (+ |c_~#queue~0.offset| 3204))) (select (let ((.cse1 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (store .cse3 (+ 3208 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (+ |t1Thread1of1ForFork1_enqueue_#t~post38#1| 1)) .cse4 (+ .cse0 1))) |c_~#stored_elements~0.base| v_ArrVal_3000) |c_~#queue~0.base|))) (store .cse1 (+ (* (select .cse1 .cse2) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_enqueue_~x#1_201|)) .cse2))))))))) is different from false [2024-05-30 17:39:13,675 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (v_ArrVal_3000 (Array Int Int)) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_267| Int) (|t1Thread1of1ForFork1_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork1_enqueue_~x#1_201| Int)) (let ((.cse5 (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|))) (let ((.cse2 (store .cse5 (+ |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_267| 4)) |t1Thread1of1ForFork1_enqueue_~x#1|)) (.cse3 (+ |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| 3204))) (let ((.cse4 (select .cse2 .cse3))) (or (not (= 800 (let ((.cse1 (+ |c_~#queue~0.offset| 3204))) (select (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base| (store (store .cse2 (+ 3208 |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset|) (+ |t1Thread1of1ForFork1_enqueue_#t~post38#1| 1)) .cse3 (+ .cse4 1))) |c_~#stored_elements~0.base| v_ArrVal_3000) |c_~#queue~0.base|))) (store .cse0 (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_enqueue_~x#1_201|)) .cse1)))) (= 800 .cse4) (< (select .cse5 .cse3) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_267|)))))) is different from false [2024-05-30 17:39:14,632 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 17:39:14,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 231 treesize of output 161 [2024-05-30 17:39:14,641 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 17:39:14,641 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 238 treesize of output 234 [2024-05-30 17:39:14,650 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 99 treesize of output 87 [2024-05-30 17:39:14,660 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 30 [2024-05-30 17:39:14,689 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 8 treesize of output 4 [2024-05-30 17:39:14,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 17:39:14,712 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 126 treesize of output 110 [2024-05-30 17:39:17,947 INFO L134 CoverageAnalysis]: Checked inductivity of 77280 backedges. 5061 proven. 2487 refuted. 7 times theorem prover too weak. 68981 trivial. 744 not checked. [2024-05-30 17:39:17,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880319843] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:39:17,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:39:17,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [143, 21, 24] total 184 [2024-05-30 17:39:17,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882556877] [2024-05-30 17:39:17,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:39:17,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 184 states [2024-05-30 17:39:17,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:39:17,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2024-05-30 17:39:17,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5421, Invalid=25734, Unknown=25, NotChecked=2492, Total=33672 [2024-05-30 17:39:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:39:17,973 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:39:17,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 184 states, 184 states have (on average 15.83695652173913) internal successors, (2914), 184 states have internal predecessors, (2914), 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) [2024-05-30 17:39:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:39:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:39:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:39:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:39:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:39:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:39:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:39:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 17:39:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 17:39:17,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-30 17:39:17,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2024-05-30 17:39:17,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:41:32,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:41:32,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:41:32,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:41:32,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:41:32,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:41:32,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:41:32,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:41:32,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 17:41:32,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 17:41:32,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-30 17:41:32,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2024-05-30 17:41:32,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 791 states. [2024-05-30 17:41:32,635 INFO L78 Accepts]: Start accepts. Automaton has currently 2986 states, but on-demand construction may add more states Word has length 2717 [2024-05-30 17:41:32,648 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:41:32,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-05-30 17:41:32,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:41:32,861 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:41:32,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:41:32,861 INFO L85 PathProgramCache]: Analyzing trace with hash -166770779, now seen corresponding path program 4 times [2024-05-30 17:41:32,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:41:32,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955825085] [2024-05-30 17:41:32,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:41:32,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:41:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:42:04,979 INFO L134 CoverageAnalysis]: Checked inductivity of 90356 backedges. 0 proven. 90356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:42:04,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:42:04,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955825085] [2024-05-30 17:42:04,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955825085] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:42:04,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512886822] [2024-05-30 17:42:04,980 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 17:42:04,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:42:04,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:42:04,981 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) [2024-05-30 17:42:04,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process Received shutdown request... [2024-05-30 17:51:36,675 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 17:51:36,675 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 [2024-05-30 17:51:36,675 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 [2024-05-30 17:51:36,675 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 [2024-05-30 17:51:36,676 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 [2024-05-30 17:51:36,676 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 17:51:36,676 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 17:51:37,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-05-30 17:51:37,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-05-30 17:51:37,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Ended with exit code 0 [2024-05-30 17:51:37,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2024-05-30 17:51:37,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-30 17:51:37,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2024-05-30 17:51:37,939 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forcibly destroying the process [2024-05-30 17:51:37,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 137 [2024-05-30 17:51:37,956 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-30 17:51:37,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-05-30 17:51:37,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [151] total 151 [2024-05-30 17:51:37,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698662436] [2024-05-30 17:51:37,956 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-05-30 17:51:37,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2024-05-30 17:51:37,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:51:37,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2024-05-30 17:51:37,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5775, Invalid=16875, Unknown=0, NotChecked=0, Total=22650 [2024-05-30 17:51:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:51:37,966 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:51:37,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 17.99337748344371) internal successors, (2717), 151 states have internal predecessors, (2717), 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) [2024-05-30 17:51:37,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:51:37,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:51:37,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:51:37,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:51:37,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:51:37,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:51:37,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:51:37,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 17:51:37,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 17:51:37,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-30 17:51:37,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2024-05-30 17:51:37,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 791 states. [2024-05-30 17:51:37,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:51:37,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-05-30 17:51:37,971 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-05-30 17:51:37,971 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 17:51:37,972 INFO L445 BasicCegarLoop]: Path program histogram: [4, 3, 2, 1, 1, 1, 1] [2024-05-30 17:51:37,973 INFO L308 ceAbstractionStarter]: Result for error location t2Err0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (5/5) [2024-05-30 17:51:37,976 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 17:51:37,976 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 17:51:37,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 05:51:37 BasicIcfg [2024-05-30 17:51:37,980 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 17:51:37,981 INFO L158 Benchmark]: Toolchain (without parser) took 834485.38ms. Allocated memory was 252.7MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 179.3MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 787.6MB. Max. memory is 8.0GB. [2024-05-30 17:51:37,981 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 164.6MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 17:51:37,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.03ms. Allocated memory is still 252.7MB. Free memory was 179.1MB in the beginning and 204.7MB in the end (delta: -25.6MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2024-05-30 17:51:37,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.12ms. Allocated memory is still 252.7MB. Free memory was 204.7MB in the beginning and 202.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 17:51:37,982 INFO L158 Benchmark]: Boogie Preprocessor took 31.20ms. Allocated memory is still 252.7MB. Free memory was 202.1MB in the beginning and 200.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 17:51:37,982 INFO L158 Benchmark]: RCFGBuilder took 541.87ms. Allocated memory is still 252.7MB. Free memory was 200.0MB in the beginning and 176.4MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2024-05-30 17:51:37,986 INFO L158 Benchmark]: TraceAbstraction took 833271.43ms. Allocated memory was 252.7MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 175.3MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 783.1MB. Max. memory is 8.0GB. [2024-05-30 17:51:37,989 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 164.6MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 589.03ms. Allocated memory is still 252.7MB. Free memory was 179.1MB in the beginning and 204.7MB in the end (delta: -25.6MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.12ms. Allocated memory is still 252.7MB. Free memory was 204.7MB in the beginning and 202.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.20ms. Allocated memory is still 252.7MB. Free memory was 202.1MB in the beginning and 200.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 541.87ms. Allocated memory is still 252.7MB. Free memory was 200.0MB in the beginning and 176.4MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 833271.43ms. Allocated memory was 252.7MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 175.3MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 783.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 2, 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: 2 - StatisticsResult: Visitor Statistics States: 54, Transitions: 53, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 54, Transitions: 54, Traversal time: 0.0s - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 2, 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: 2 - StatisticsResult: Visitor Statistics States: 63, Transitions: 64, Traversal time: 0.0s - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 363, independent: 321, independent conditional: 321, independent unconditional: 0, dependent: 42, dependent conditional: 42, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 330, independent: 321, independent conditional: 321, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 330, independent: 321, independent conditional: 321, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 330, independent: 321, independent conditional: 0, independent unconditional: 321, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 330, independent: 321, independent conditional: 0, independent unconditional: 321, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 330, independent: 321, independent conditional: 0, independent unconditional: 321, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 326, independent: 317, independent conditional: 0, independent unconditional: 317, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 326, independent: 317, independent conditional: 0, independent unconditional: 317, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 330, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 326, unknown conditional: 0, unknown unconditional: 326] , Statistics on independence cache: Total cache size (in pairs): 326, Positive cache size: 317, Positive conditional cache size: 0, Positive unconditional cache size: 317, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 33 - StatisticsResult: Visitor Statistics States: 398, Transitions: 433, Traversal time: 0.2s - 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: Visitor Statistics States: 0, Transitions: 0, Traversal time: 16596205.6s - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11057, independent: 10702, independent conditional: 10702, independent unconditional: 0, dependent: 355, dependent conditional: 355, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10713, independent: 10702, independent conditional: 10702, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10713, independent: 10702, independent conditional: 10702, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10790, independent: 10702, independent conditional: 0, independent unconditional: 10702, dependent: 88, dependent conditional: 77, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10790, independent: 10702, independent conditional: 0, independent unconditional: 10702, dependent: 88, dependent conditional: 11, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10790, independent: 10702, independent conditional: 0, independent unconditional: 10702, dependent: 88, dependent conditional: 11, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 515, independent: 511, independent conditional: 0, independent unconditional: 511, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 515, independent: 509, independent conditional: 0, independent unconditional: 509, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 36, dependent conditional: 5, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10790, independent: 10191, independent conditional: 0, independent unconditional: 10191, dependent: 84, dependent conditional: 9, dependent unconditional: 75, unknown: 515, unknown conditional: 2, unknown unconditional: 513] , Statistics on independence cache: Total cache size (in pairs): 515, Positive cache size: 511, Positive conditional cache size: 0, Positive unconditional cache size: 511, Negative cache size: 4, Negative conditional cache size: 2, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 66, Maximal queried relation: 12, Independence queries for same thread: 344 - StatisticsResult: Visitor Statistics States: 119, Transitions: 118, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 117, Transitions: 116, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 167, Transitions: 168, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 198, Transitions: 199, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 231, Transitions: 232, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 259, Transitions: 259, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 370, Transitions: 371, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 498, Transitions: 499, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 754, Transitions: 755, Traversal time: 0.7s - StatisticsResult: Visitor Statistics States: 818, Transitions: 819, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 1430, Transitions: 1431, Traversal time: 2.2s - StatisticsResult: Visitor Statistics States: 2654, Transitions: 2655, Traversal time: 7.7s - StatisticsResult: Visitor Statistics States: 2896, Transitions: 2897, Traversal time: 134.7s - StatisticsResult: Visitor Statistics States: 1, Transitions: 0, Traversal time: 0.0s - PositiveResult [Line: 1049]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 343 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, 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: 2, 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 52 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 343 locations, 5 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: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 343 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.2s, 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: t2Err0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 343 locations, 5 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: t2Err0ASSERT_VIOLATIONERROR_FUNCTION with 2 thread instances CFG has 5 procedures, 343 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 832.4s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 146.2s, 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: 1203, 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: 1.0s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 106.2s InterpolantComputationTime, 15486 NumberOfCodeBlocks, 12730 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 20665 ConstructedInterpolants, 58 QuantifiedInterpolants, 83335 SizeOfPredicates, 167 NumberOfNonLiveVariables, 7363 ConjunctsInSsa, 296 ConjunctsInUnsatCore, 28 InterpolantComputations, 6 PerfectInterpolantSequences, 153229/396859 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