/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 -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 2 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 08:25:22,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 08:25:22,091 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 08:25:22,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 08:25:22,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 08:25:22,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 08:25:22,137 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 08:25:22,137 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 08:25:22,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 08:25:22,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 08:25:22,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 08:25:22,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 08:25:22,141 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 08:25:22,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 08:25:22,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 08:25:22,142 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 08:25:22,142 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 08:25:22,142 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 08:25:22,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 08:25:22,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 08:25:22,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 08:25:22,144 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 08:25:22,145 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 08:25:22,145 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 08:25:22,145 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 08:25:22,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 08:25:22,145 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 08:25:22,146 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 08:25:22,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 08:25:22,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 08:25:22,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 08:25:22,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 08:25:22,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 08:25:22,146 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 08:25:22,147 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 08:25:22,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 08:25:22,147 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 08:25:22,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 08:25:22,147 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 08:25:22,147 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 2 [2024-04-04 08:25:22,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 08:25:22,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 08:25:22,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 08:25:22,365 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 08:25:22,366 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 08:25:22,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-04-04 08:25:23,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 08:25:23,801 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 08:25:23,801 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-04-04 08:25:23,814 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b7d069c0b/849c217a8729480389a733069a4b1897/FLAGc99e2ca3d [2024-04-04 08:25:23,825 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b7d069c0b/849c217a8729480389a733069a4b1897 [2024-04-04 08:25:23,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 08:25:23,830 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 08:25:23,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 08:25:23,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 08:25:23,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 08:25:23,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:25:23" (1/1) ... [2024-04-04 08:25:23,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f7b9f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:25:23, skipping insertion in model container [2024-04-04 08:25:23,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:25:23" (1/1) ... [2024-04-04 08:25:23,892 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 08:25:24,020 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2024-04-04 08:25:24,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 08:25:24,227 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 08:25:24,235 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2024-04-04 08:25:24,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 08:25:24,319 WARN L675 CHandler]: The function sleep is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 08:25:24,325 INFO L206 MainTranslator]: Completed translation [2024-04-04 08:25:24,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:25:24 WrapperNode [2024-04-04 08:25:24,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 08:25:24,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 08:25:24,326 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 08:25:24,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 08:25:24,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:25:24" (1/1) ... [2024-04-04 08:25:24,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:25:24" (1/1) ... [2024-04-04 08:25:24,397 INFO L138 Inliner]: procedures = 272, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2024-04-04 08:25:24,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 08:25:24,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 08:25:24,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 08:25:24,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 08:25:24,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:25:24" (1/1) ... [2024-04-04 08:25:24,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:25:24" (1/1) ... [2024-04-04 08:25:24,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:25:24" (1/1) ... [2024-04-04 08:25:24,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:25:24" (1/1) ... [2024-04-04 08:25:24,417 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:25:24" (1/1) ... [2024-04-04 08:25:24,420 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:25:24" (1/1) ... [2024-04-04 08:25:24,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:25:24" (1/1) ... [2024-04-04 08:25:24,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:25:24" (1/1) ... [2024-04-04 08:25:24,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 08:25:24,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 08:25:24,428 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 08:25:24,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 08:25:24,429 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:25:24" (1/1) ... [2024-04-04 08:25:24,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 08:25:24,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:25:24,473 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) [2024-04-04 08:25:24,507 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 [2024-04-04 08:25:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2024-04-04 08:25:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 08:25:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2024-04-04 08:25:24,530 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2024-04-04 08:25:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 08:25:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-04 08:25:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 08:25:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-04 08:25:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 08:25:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2024-04-04 08:25:24,531 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2024-04-04 08:25:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure process [2024-04-04 08:25:24,532 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2024-04-04 08:25:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 08:25:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 08:25:24,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 08:25:24,534 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 08:25:24,742 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 08:25:24,743 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 08:25:24,896 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 08:25:24,916 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 08:25:24,916 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-04-04 08:25:24,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:25:24 BoogieIcfgContainer [2024-04-04 08:25:24,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 08:25:24,919 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 08:25:24,920 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 08:25:24,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 08:25:24,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 08:25:23" (1/3) ... [2024-04-04 08:25:24,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@664c625e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:25:24, skipping insertion in model container [2024-04-04 08:25:24,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:25:24" (2/3) ... [2024-04-04 08:25:24,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@664c625e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:25:24, skipping insertion in model container [2024-04-04 08:25:24,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:25:24" (3/3) ... [2024-04-04 08:25:24,924 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2024-04-04 08:25:24,929 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 08:25:24,936 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 08:25:24,936 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-04-04 08:25:24,937 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 08:25:24,979 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-04 08:25:25,008 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 08:25:25,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 08:25:25,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:25:25,026 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) [2024-04-04 08:25:25,058 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 [2024-04-04 08:25:25,069 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 08:25:25,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:25:25,079 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 08:25:25,083 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;@1cf6ff84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 08:25:25,083 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-04-04 08:25:25,226 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 08:25:25,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:25:25,228 INFO L85 PathProgramCache]: Analyzing trace with hash 750334300, now seen corresponding path program 1 times [2024-04-04 08:25:25,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:25:25,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629748251] [2024-04-04 08:25:25,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:25:25,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:25:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:25:26,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 08:25:26,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:25:26,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629748251] [2024-04-04 08:25:26,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629748251] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 08:25:26,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 08:25:26,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-04 08:25:26,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622985281] [2024-04-04 08:25:26,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 08:25:26,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-04 08:25:26,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:25:26,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-04 08:25:26,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-04-04 08:25:26,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:25:26,078 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:25:26,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 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) [2024-04-04 08:25:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:25:26,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 08:25:26,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 08:25:26,322 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 08:25:26,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:25:26,322 INFO L85 PathProgramCache]: Analyzing trace with hash -953875340, now seen corresponding path program 1 times [2024-04-04 08:25:26,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:25:26,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565459595] [2024-04-04 08:25:26,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:25:26,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:25:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:25:26,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 08:25:26,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:25:26,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565459595] [2024-04-04 08:25:26,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565459595] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 08:25:26,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 08:25:26,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-04-04 08:25:26,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454506123] [2024-04-04 08:25:26,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 08:25:26,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-04 08:25:26,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:25:26,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-04 08:25:26,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-04-04 08:25:26,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:25:26,708 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:25:26,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 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) [2024-04-04 08:25:26,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 08:25:26,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:25:27,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 08:25:27,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 08:25:27,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 08:25:27,478 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 08:25:27,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:25:27,478 INFO L85 PathProgramCache]: Analyzing trace with hash -202299859, now seen corresponding path program 1 times [2024-04-04 08:25:27,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:25:27,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655473271] [2024-04-04 08:25:27,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:25:27,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:25:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:25:27,917 INFO L134 CoverageAnalysis]: Checked inductivity of 971 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2024-04-04 08:25:27,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:25:27,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655473271] [2024-04-04 08:25:27,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655473271] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 08:25:27,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 08:25:27,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 08:25:27,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917599869] [2024-04-04 08:25:27,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 08:25:27,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 08:25:27,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:25:27,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 08:25:27,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 08:25:27,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:25:27,920 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:25:27,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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) [2024-04-04 08:25:27,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 08:25:27,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 08:25:27,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:25:29,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 08:25:29,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 08:25:29,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 08:25:29,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-04 08:25:29,044 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 08:25:29,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:25:29,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1967462749, now seen corresponding path program 2 times [2024-04-04 08:25:29,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:25:29,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361003762] [2024-04-04 08:25:29,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:25:29,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:25:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:25:29,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 612 proven. 70 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2024-04-04 08:25:29,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:25:29,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361003762] [2024-04-04 08:25:29,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361003762] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:25:29,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52461450] [2024-04-04 08:25:29,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 08:25:29,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:25:29,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:25:29,942 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 08:25:29,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 08:25:30,213 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 08:25:30,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 08:25:30,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 1177 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 08:25:30,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:25:30,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 612 proven. 70 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2024-04-04 08:25:30,406 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 08:25:30,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 612 proven. 70 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2024-04-04 08:25:30,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52461450] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 08:25:30,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 08:25:30,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 14 [2024-04-04 08:25:30,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843967696] [2024-04-04 08:25:30,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 08:25:30,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-04 08:25:30,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:25:30,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-04 08:25:30,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2024-04-04 08:25:30,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:25:30,543 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:25:30,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.5) internal successors, (217), 14 states have internal predecessors, (217), 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) [2024-04-04 08:25:30,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 08:25:30,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 08:25:30,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 08:25:30,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:25:32,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 08:25:32,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 08:25:32,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 08:25:32,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 08:25:32,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-04 08:25:32,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:25:32,407 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 08:25:32,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:25:32,407 INFO L85 PathProgramCache]: Analyzing trace with hash 709872788, now seen corresponding path program 3 times [2024-04-04 08:25:32,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:25:32,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126823528] [2024-04-04 08:25:32,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:25:32,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:25:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:25:33,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 737 proven. 12 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2024-04-04 08:25:33,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:25:33,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126823528] [2024-04-04 08:25:33,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126823528] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:25:33,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816659284] [2024-04-04 08:25:33,160 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 08:25:33,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:25:33,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:25:33,162 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 08:25:33,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 08:25:33,347 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-04-04 08:25:33,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 08:25:33,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-04 08:25:33,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:25:34,498 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 [2024-04-04 08:25:34,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 08:25:34,532 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 [2024-04-04 08:25:34,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 1534 trivial. 0 not checked. [2024-04-04 08:25:34,552 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 08:25:34,610 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:25:34,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-04 08:25:34,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-04-04 08:25:35,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 1534 trivial. 0 not checked. [2024-04-04 08:25:35,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816659284] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 08:25:35,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 08:25:35,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-04-04 08:25:35,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149546459] [2024-04-04 08:25:35,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 08:25:35,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-04-04 08:25:35,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:25:35,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-04-04 08:25:35,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-04-04 08:25:35,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:25:35,129 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:25:35,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 29.25) internal successors, (351), 12 states have internal predecessors, (351), 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) [2024-04-04 08:25:35,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 08:25:35,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 08:25:35,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 08:25:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 08:25:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:25:37,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 08:25:37,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 08:25:37,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 08:25:37,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-04 08:25:37,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:25:37,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 08:25:37,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:25:37,390 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 08:25:37,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:25:37,391 INFO L85 PathProgramCache]: Analyzing trace with hash -499042134, now seen corresponding path program 4 times [2024-04-04 08:25:37,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:25:37,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698879263] [2024-04-04 08:25:37,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:25:37,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:25:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:25:38,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 559 proven. 28 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2024-04-04 08:25:38,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:25:38,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698879263] [2024-04-04 08:25:38,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698879263] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:25:38,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890663255] [2024-04-04 08:25:38,046 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 08:25:38,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:25:38,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:25:38,047 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 08:25:38,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 08:25:38,288 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 08:25:38,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 08:25:38,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-04 08:25:38,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:25:39,192 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 [2024-04-04 08:25:39,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 08:25:39,236 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 [2024-04-04 08:25:39,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 08:25:39,255 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 [2024-04-04 08:25:39,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 302 proven. 48 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2024-04-04 08:25:39,287 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 08:25:39,343 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:25:39,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-04 08:25:39,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-04-04 08:25:39,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 302 proven. 48 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2024-04-04 08:25:39,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890663255] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 08:25:39,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 08:25:39,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-04-04 08:25:39,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520196557] [2024-04-04 08:25:39,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 08:25:39,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-04-04 08:25:39,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:25:39,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-04-04 08:25:39,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-04-04 08:25:39,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:25:39,714 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:25:39,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 30.666666666666668) internal successors, (368), 12 states have internal predecessors, (368), 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) [2024-04-04 08:25:39,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 08:25:39,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 08:25:39,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 08:25:39,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-04 08:25:39,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:25:39,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:26:00,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 08:26:00,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-04 08:26:00,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 08:26:00,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-04 08:26:00,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:26:00,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:26:00,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 08:26:01,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:26:01,103 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 08:26:01,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:26:01,104 INFO L85 PathProgramCache]: Analyzing trace with hash -364598648, now seen corresponding path program 1 times [2024-04-04 08:26:01,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:26:01,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421746677] [2024-04-04 08:26:01,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:26:01,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:26:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:26:01,727 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 179 proven. 7 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-04-04 08:26:01,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:26:01,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421746677] [2024-04-04 08:26:01,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421746677] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:26:01,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282142061] [2024-04-04 08:26:01,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:26:01,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:26:01,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:26:01,729 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 08:26:01,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 08:26:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:26:01,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 20 conjunts are in the unsatisfiable core [2024-04-04 08:26:01,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:26:02,067 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-04-04 08:26:02,067 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 08:26:02,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282142061] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 08:26:02,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 08:26:02,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11] total 14 [2024-04-04 08:26:02,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105544587] [2024-04-04 08:26:02,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 08:26:02,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-04 08:26:02,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:26:02,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-04 08:26:02,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-04-04 08:26:02,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:26:02,070 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:26:02,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.0) internal successors, (187), 11 states have internal predecessors, (187), 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) [2024-04-04 08:26:02,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 08:26:02,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-04 08:26:02,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 08:26:02,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-04 08:26:02,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:26:02,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:26:02,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:26:30,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 08:26:30,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-04 08:26:30,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 08:26:30,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-04 08:26:30,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:26:30,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:26:30,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 08:26:30,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-04 08:26:30,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-04-04 08:26:30,822 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 08:26:30,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:26:30,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1462128473, now seen corresponding path program 2 times [2024-04-04 08:26:30,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:26:30,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738133821] [2024-04-04 08:26:30,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:26:30,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:26:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:26:31,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 576 proven. 28 refuted. 0 times theorem prover too weak. 1073 trivial. 0 not checked. [2024-04-04 08:26:31,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:26:31,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738133821] [2024-04-04 08:26:31,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738133821] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:26:31,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529249778] [2024-04-04 08:26:31,627 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 08:26:31,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:26:31,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:26:31,629 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) [2024-04-04 08:26:31,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 08:26:31,991 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 08:26:31,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 08:26:31,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 1362 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 08:26:32,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:26:32,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 592 proven. 12 refuted. 0 times theorem prover too weak. 1073 trivial. 0 not checked. [2024-04-04 08:26:32,167 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 08:26:32,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 576 proven. 28 refuted. 0 times theorem prover too weak. 1073 trivial. 0 not checked. [2024-04-04 08:26:32,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529249778] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 08:26:32,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 08:26:32,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 15 [2024-04-04 08:26:32,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443055483] [2024-04-04 08:26:32,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 08:26:32,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-04 08:26:32,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:26:32,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-04 08:26:32,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-04-04 08:26:32,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:26:32,268 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:26:32,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 15.133333333333333) internal successors, (227), 15 states have internal predecessors, (227), 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) [2024-04-04 08:26:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 08:26:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-04 08:26:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 08:26:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-04 08:26:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:26:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:26:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 08:26:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:31:42,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 08:31:42,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-04 08:31:42,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 08:31:42,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-04 08:31:42,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:31:42,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:31:42,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 08:31:42,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 08:31:42,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-04-04 08:31:42,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2024-04-04 08:31:42,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-04-04 08:31:42,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-04-04 08:31:42,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location disposeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-04-04 08:31:42,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location disposeErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-04-04 08:31:42,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 08:31:42,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:31:42,991 INFO L445 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1] [2024-04-04 08:31:42,996 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 08:31:42,996 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 08:31:43,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 08:31:43 BasicIcfg [2024-04-04 08:31:43,006 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 08:31:43,006 INFO L158 Benchmark]: Toolchain (without parser) took 379175.96ms. Allocated memory was 175.1MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 100.8MB in the beginning and 6.1GB in the end (delta: -6.0GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2024-04-04 08:31:43,007 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 175.1MB. Free memory is still 138.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 08:31:43,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.62ms. Allocated memory was 175.1MB in the beginning and 239.1MB in the end (delta: 64.0MB). Free memory was 100.5MB in the beginning and 185.4MB in the end (delta: -84.8MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. [2024-04-04 08:31:43,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.47ms. Allocated memory is still 239.1MB. Free memory was 185.4MB in the beginning and 182.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-04 08:31:43,022 INFO L158 Benchmark]: Boogie Preprocessor took 29.79ms. Allocated memory is still 239.1MB. Free memory was 182.2MB in the beginning and 179.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 08:31:43,023 INFO L158 Benchmark]: RCFGBuilder took 489.44ms. Allocated memory is still 239.1MB. Free memory was 179.6MB in the beginning and 152.9MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2024-04-04 08:31:43,023 INFO L158 Benchmark]: TraceAbstraction took 378086.34ms. Allocated memory was 239.1MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 151.8MB in the beginning and 6.1GB in the end (delta: -5.9GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2024-04-04 08:31:43,024 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 175.1MB. Free memory is still 138.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 494.62ms. Allocated memory was 175.1MB in the beginning and 239.1MB in the end (delta: 64.0MB). Free memory was 100.5MB in the beginning and 185.4MB in the end (delta: -84.8MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 71.47ms. Allocated memory is still 239.1MB. Free memory was 185.4MB in the beginning and 182.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.79ms. Allocated memory is still 239.1MB. Free memory was 182.2MB in the beginning and 179.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 489.44ms. Allocated memory is still 239.1MB. Free memory was 179.6MB in the beginning and 152.9MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 378086.34ms. Allocated memory was 239.1MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 151.8MB in the beginning and 6.1GB in the end (delta: -5.9GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 35914375, independent: 34551575, independent conditional: 34549277, independent unconditional: 2298, dependent: 1362800, dependent conditional: 1362236, dependent unconditional: 564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 34590014, independent: 34551575, independent conditional: 34549277, independent unconditional: 2298, dependent: 38439, dependent conditional: 38439, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34590014, independent: 34551575, independent conditional: 34549277, independent unconditional: 2298, dependent: 38439, dependent conditional: 38439, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 34590014, independent: 34551575, independent conditional: 34549277, independent unconditional: 2298, dependent: 38439, dependent conditional: 38439, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34985357, independent: 34551575, independent conditional: 1341845, independent unconditional: 33209730, dependent: 433782, dependent conditional: 305396, dependent unconditional: 128386, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34985357, independent: 34551575, independent conditional: 481150, independent unconditional: 34070425, dependent: 433782, dependent conditional: 93460, dependent unconditional: 340322, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34985357, independent: 34551575, independent conditional: 481150, independent unconditional: 34070425, dependent: 433782, dependent conditional: 93460, dependent unconditional: 340322, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6599, independent: 6395, independent conditional: 126, independent unconditional: 6269, dependent: 204, dependent conditional: 143, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6599, independent: 6316, independent conditional: 0, independent unconditional: 6316, dependent: 283, dependent conditional: 0, dependent unconditional: 283, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 283, independent: 79, independent conditional: 44, independent unconditional: 35, dependent: 204, dependent conditional: 143, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 283, independent: 79, independent conditional: 44, independent unconditional: 35, dependent: 204, dependent conditional: 143, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 391, independent: 101, independent conditional: 58, independent unconditional: 43, dependent: 290, dependent conditional: 198, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34985357, independent: 34545180, independent conditional: 481024, independent unconditional: 34064156, dependent: 433578, dependent conditional: 93317, dependent unconditional: 340261, unknown: 6599, unknown conditional: 269, unknown unconditional: 6330] , Statistics on independence cache: Total cache size (in pairs): 6599, Positive cache size: 6395, Positive conditional cache size: 126, Positive unconditional cache size: 6269, Negative cache size: 204, Negative conditional cache size: 143, Negative unconditional cache size: 61, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1072631, Maximal queried relation: 8, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34985357, independent: 34551575, independent conditional: 1341845, independent unconditional: 33209730, dependent: 433782, dependent conditional: 305396, dependent unconditional: 128386, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34985357, independent: 34551575, independent conditional: 481150, independent unconditional: 34070425, dependent: 433782, dependent conditional: 93460, dependent unconditional: 340322, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34985357, independent: 34551575, independent conditional: 481150, independent unconditional: 34070425, dependent: 433782, dependent conditional: 93460, dependent unconditional: 340322, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6599, independent: 6395, independent conditional: 126, independent unconditional: 6269, dependent: 204, dependent conditional: 143, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6599, independent: 6316, independent conditional: 0, independent unconditional: 6316, dependent: 283, dependent conditional: 0, dependent unconditional: 283, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 283, independent: 79, independent conditional: 44, independent unconditional: 35, dependent: 204, dependent conditional: 143, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 283, independent: 79, independent conditional: 44, independent unconditional: 35, dependent: 204, dependent conditional: 143, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 391, independent: 101, independent conditional: 58, independent unconditional: 43, dependent: 290, dependent conditional: 198, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34985357, independent: 34545180, independent conditional: 481024, independent unconditional: 34064156, dependent: 433578, dependent conditional: 93317, dependent unconditional: 340261, unknown: 6599, unknown conditional: 269, unknown unconditional: 6330] , Statistics on independence cache: Total cache size (in pairs): 6599, Positive cache size: 6395, Positive conditional cache size: 126, Positive unconditional cache size: 6269, Negative cache size: 204, Negative conditional cache size: 143, Negative unconditional cache size: 61, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1072631 ], Independence queries for same thread: 1324361 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 226 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 377.9s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 366.2s, 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: 191, 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: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 5340 NumberOfCodeBlocks, 4863 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 7352 ConstructedInterpolants, 16 QuantifiedInterpolants, 19502 SizeOfPredicates, 38 NumberOfNonLiveVariables, 4599 ConjunctsInSsa, 95 ConjunctsInUnsatCore, 17 InterpolantComputations, 4 PerfectInterpolantSequences, 18328/18845 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-04 08:31:43,041 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 [2024-04-04 08:31:43,248 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 Received shutdown request...