/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf --traceabstraction.dfs.order.used.in.por PSEUDO_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_92-evilcollapse_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 17:43:50,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 17:43:51,036 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 17:43:51,041 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 17:43:51,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 17:43:51,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 17:43:51,060 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 17:43:51,060 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 17:43:51,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 17:43:51,063 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 17:43:51,064 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 17:43:51,064 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 17:43:51,065 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 17:43:51,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 17:43:51,066 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 17:43:51,066 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 17:43:51,066 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 17:43:51,066 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 17:43:51,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 17:43:51,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 17:43:51,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 17:43:51,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 17:43:51,068 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 17:43:51,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 17:43:51,068 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 17:43:51,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 17:43:51,069 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 17:43:51,069 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 17:43:51,069 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 17:43:51,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 17:43:51,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 17:43:51,070 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 17:43:51,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 17:43:51,071 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 17:43:51,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 17:43:51,071 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 17:43:51,071 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 17:43:51,071 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 17:43:51,071 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 17:43:51,071 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 17:43:51,071 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP [2023-11-17 17:43:51,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 17:43:51,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 17:43:51,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 17:43:51,266 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 17:43:51,268 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 17:43:51,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2023-11-17 17:43:52,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 17:43:52,357 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 17:43:52,357 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2023-11-17 17:43:52,379 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39ec85de1/72310c0e26234a1f83caab12c97f6473/FLAG97054e871 [2023-11-17 17:43:52,390 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39ec85de1/72310c0e26234a1f83caab12c97f6473 [2023-11-17 17:43:52,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 17:43:52,393 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 17:43:52,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 17:43:52,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 17:43:52,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 17:43:52,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:43:52" (1/1) ... [2023-11-17 17:43:52,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25aa20d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:52, skipping insertion in model container [2023-11-17 17:43:52,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:43:52" (1/1) ... [2023-11-17 17:43:52,439 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 17:43:52,725 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/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2023-11-17 17:43:52,738 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-17 17:43:52,738 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-17 17:43:52,738 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-17 17:43:52,740 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-17 17:43:52,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 17:43:52,775 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 17:43:52,811 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/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2023-11-17 17:43:52,813 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-17 17:43:52,814 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-17 17:43:52,814 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-17 17:43:52,814 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-17 17:43:52,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 17:43:52,860 INFO L206 MainTranslator]: Completed translation [2023-11-17 17:43:52,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:52 WrapperNode [2023-11-17 17:43:52,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 17:43:52,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 17:43:52,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 17:43:52,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 17:43:52,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:52" (1/1) ... [2023-11-17 17:43:52,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:52" (1/1) ... [2023-11-17 17:43:52,897 INFO L138 Inliner]: procedures = 279, calls = 55, calls flagged for inlining = 11, calls inlined = 12, statements flattened = 240 [2023-11-17 17:43:52,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 17:43:52,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 17:43:52,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 17:43:52,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 17:43:52,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:52" (1/1) ... [2023-11-17 17:43:52,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:52" (1/1) ... [2023-11-17 17:43:52,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:52" (1/1) ... [2023-11-17 17:43:52,908 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:52" (1/1) ... [2023-11-17 17:43:52,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:52" (1/1) ... [2023-11-17 17:43:52,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:52" (1/1) ... [2023-11-17 17:43:52,920 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:52" (1/1) ... [2023-11-17 17:43:52,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:52" (1/1) ... [2023-11-17 17:43:52,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 17:43:52,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 17:43:52,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 17:43:52,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 17:43:52,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:52" (1/1) ... [2023-11-17 17:43:52,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 17:43:52,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:43:52,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 17:43:52,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 17:43:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 17:43:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 17:43:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 17:43:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-17 17:43:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 17:43:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 17:43:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-17 17:43:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 17:43:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 17:43:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 17:43:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-17 17:43:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-17 17:43:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 17:43:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 17:43:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 17:43:52,993 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 17:43:53,130 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 17:43:53,131 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 17:43:53,406 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 17:43:53,438 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 17:43:53,439 INFO L307 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-17 17:43:53,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:43:53 BoogieIcfgContainer [2023-11-17 17:43:53,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 17:43:53,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 17:43:53,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 17:43:53,443 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 17:43:53,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:43:52" (1/3) ... [2023-11-17 17:43:53,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce9c934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:43:53, skipping insertion in model container [2023-11-17 17:43:53,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:52" (2/3) ... [2023-11-17 17:43:53,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce9c934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:43:53, skipping insertion in model container [2023-11-17 17:43:53,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:43:53" (3/3) ... [2023-11-17 17:43:53,445 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_92-evilcollapse_racing.i [2023-11-17 17:43:53,450 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 17:43:53,456 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 17:43:53,456 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 17:43:53,456 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 17:43:53,509 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-17 17:43:53,538 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:43:53,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 17:43:53,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:43:53,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 17:43:53,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-17 17:43:53,567 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 17:43:53,575 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2023-11-17 17:43:53,584 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;@4c7a6c25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:43:53,584 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 17:43:53,800 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:43:53,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:43:53,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1330004429, now seen corresponding path program 1 times [2023-11-17 17:43:53,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:43:53,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169561103] [2023-11-17 17:43:53,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:53,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:43:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:43:54,122 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-17 17:43:54,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:43:54,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169561103] [2023-11-17 17:43:54,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169561103] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:43:54,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:43:54,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 17:43:54,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683081882] [2023-11-17 17:43:54,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:43:54,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 17:43:54,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:43:54,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 17:43:54,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 17:43:54,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:54,145 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:43:54,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:43:54,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:54,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:54,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 17:43:54,258 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:43:54,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:43:54,259 INFO L85 PathProgramCache]: Analyzing trace with hash -803710913, now seen corresponding path program 1 times [2023-11-17 17:43:54,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:43:54,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156052065] [2023-11-17 17:43:54,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:54,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:43:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:43:54,454 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-17 17:43:54,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:43:54,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156052065] [2023-11-17 17:43:54,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156052065] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:43:54,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:43:54,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 17:43:54,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522660229] [2023-11-17 17:43:54,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:43:54,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 17:43:54,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:43:54,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 17:43:54,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 17:43:54,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:54,457 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:43:54,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:43:54,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:54,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:54,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:54,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 17:43:54,495 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:43:54,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:43:54,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1076985679, now seen corresponding path program 1 times [2023-11-17 17:43:54,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:43:54,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202410777] [2023-11-17 17:43:54,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:54,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:43:54,534 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-17 17:43:54,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [219845400] [2023-11-17 17:43:54,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:54,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:43:54,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:43:54,574 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:43:54,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-17 17:43:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:43:54,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-17 17:43:54,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:43:54,877 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-17 17:43:54,878 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:43:54,953 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-17 17:43:54,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:43:54,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202410777] [2023-11-17 17:43:54,954 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-17 17:43:54,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219845400] [2023-11-17 17:43:54,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219845400] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:43:54,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-17 17:43:54,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-17 17:43:54,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592003132] [2023-11-17 17:43:54,955 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-17 17:43:54,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-17 17:43:54,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:43:54,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-17 17:43:54,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-17 17:43:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:54,961 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:43:54,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 30.25) internal successors, (242), 8 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:43:54,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:54,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:54,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:43:55,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-17 17:43:55,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-17 17:43:55,239 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:43:55,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:43:55,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1752282767, now seen corresponding path program 2 times [2023-11-17 17:43:55,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:43:55,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349366906] [2023-11-17 17:43:55,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:55,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:43:55,282 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-17 17:43:55,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1455188231] [2023-11-17 17:43:55,285 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 17:43:55,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:43:55,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:43:55,287 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:43:55,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-17 17:43:55,517 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 17:43:55,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:43:55,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-17 17:43:55,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:43:55,674 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-17 17:43:55,674 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:43:55,829 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-17 17:43:55,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:43:55,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349366906] [2023-11-17 17:43:55,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-17 17:43:55,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455188231] [2023-11-17 17:43:55,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455188231] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:43:55,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-17 17:43:55,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-11-17 17:43:55,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211259184] [2023-11-17 17:43:55,830 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-17 17:43:55,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-17 17:43:55,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:43:55,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-17 17:43:55,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2023-11-17 17:43:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:55,832 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:43:55,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 24.375) internal successors, (390), 16 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:43:55,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:55,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:55,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:43:55,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:43:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:43:56,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-17 17:43:56,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:43:56,215 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:43:56,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:43:56,216 INFO L85 PathProgramCache]: Analyzing trace with hash -2046031119, now seen corresponding path program 3 times [2023-11-17 17:43:56,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:43:56,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292619292] [2023-11-17 17:43:56,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:56,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:43:56,270 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-17 17:43:56,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1148764485] [2023-11-17 17:43:56,274 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 17:43:56,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:43:56,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:43:56,277 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:43:56,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-17 17:43:56,519 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-17 17:43:56,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:43:56,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-17 17:43:56,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:43:56,734 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2023-11-17 17:43:56,734 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:43:56,974 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2023-11-17 17:43:56,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:43:56,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292619292] [2023-11-17 17:43:56,974 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-17 17:43:56,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148764485] [2023-11-17 17:43:56,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148764485] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:43:56,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-17 17:43:56,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-17 17:43:56,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974237322] [2023-11-17 17:43:56,975 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-17 17:43:56,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-17 17:43:56,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:43:56,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-17 17:43:56,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-17 17:43:56,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:56,977 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:43:56,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 32.125) internal successors, (257), 8 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:43:56,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:56,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:56,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:43:56,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:43:56,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:57,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:57,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:57,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:43:57,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:43:57,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:43:57,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-17 17:43:57,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:43:57,260 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:43:57,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:43:57,261 INFO L85 PathProgramCache]: Analyzing trace with hash -3512547, now seen corresponding path program 4 times [2023-11-17 17:43:57,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:43:57,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250012109] [2023-11-17 17:43:57,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:57,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:43:57,401 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-17 17:43:57,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [997868222] [2023-11-17 17:43:57,401 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-17 17:43:57,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:43:57,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:43:57,403 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:43:57,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-17 17:43:58,143 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-17 17:43:58,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:43:58,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 3426 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-17 17:43:58,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:43:58,845 INFO L134 CoverageAnalysis]: Checked inductivity of 7890 backedges. 0 proven. 5529 refuted. 0 times theorem prover too weak. 2361 trivial. 0 not checked. [2023-11-17 17:43:58,845 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:43:59,467 INFO L134 CoverageAnalysis]: Checked inductivity of 7890 backedges. 0 proven. 5529 refuted. 0 times theorem prover too weak. 2361 trivial. 0 not checked. [2023-11-17 17:43:59,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:43:59,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250012109] [2023-11-17 17:43:59,467 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-17 17:43:59,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997868222] [2023-11-17 17:43:59,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997868222] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:43:59,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-17 17:43:59,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-11-17 17:43:59,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429650099] [2023-11-17 17:43:59,468 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-17 17:43:59,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-17 17:43:59,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:43:59,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-17 17:43:59,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2023-11-17 17:43:59,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:59,471 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:43:59,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 29.0625) internal successors, (465), 16 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:43:59,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:59,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:59,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:43:59,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:43:59,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:43:59,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:59,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:59,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:59,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:43:59,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:43:59,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:43:59,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:43:59,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-17 17:43:59,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:43:59,913 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:43:59,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:43:59,914 INFO L85 PathProgramCache]: Analyzing trace with hash 276835701, now seen corresponding path program 5 times [2023-11-17 17:43:59,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:43:59,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834750181] [2023-11-17 17:43:59,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:59,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:44:00,143 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-17 17:44:00,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1836103632] [2023-11-17 17:44:00,144 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-17 17:44:00,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:44:00,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:44:00,145 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:44:00,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process Received shutdown request... [2023-11-17 17:53:40,321 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2023-11-17 17:53:40,321 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 17:53:40,321 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 17:53:41,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-11-17 17:53:41,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2023-11-17 17:53:41,526 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forcibly destroying the process [2023-11-17 17:53:41,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 137 [2023-11-17 17:53:41,556 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2023-11-17 17:53:41,558 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-17 17:53:41,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-17 17:53:41,559 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 2077 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. [2023-11-17 17:53:41,562 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1] [2023-11-17 17:53:41,563 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was TIMEOUT (1/2) [2023-11-17 17:53:41,564 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 17:53:41,564 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 17:53:41,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 05:53:41 BasicIcfg [2023-11-17 17:53:41,566 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 17:53:41,566 INFO L158 Benchmark]: Toolchain (without parser) took 589173.78ms. Allocated memory was 317.7MB in the beginning and 392.2MB in the end (delta: 74.4MB). Free memory was 275.3MB in the beginning and 261.6MB in the end (delta: 13.8MB). Peak memory consumption was 89.1MB. Max. memory is 8.0GB. [2023-11-17 17:53:41,566 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 210.8MB. Free memory is still 160.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 17:53:41,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.42ms. Allocated memory is still 317.7MB. Free memory was 275.0MB in the beginning and 243.6MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2023-11-17 17:53:41,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.22ms. Allocated memory is still 317.7MB. Free memory was 243.6MB in the beginning and 240.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-11-17 17:53:41,567 INFO L158 Benchmark]: Boogie Preprocessor took 25.82ms. Allocated memory is still 317.7MB. Free memory was 240.4MB in the beginning and 238.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 17:53:41,567 INFO L158 Benchmark]: RCFGBuilder took 515.66ms. Allocated memory is still 317.7MB. Free memory was 238.0MB in the beginning and 274.7MB in the end (delta: -36.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-11-17 17:53:41,567 INFO L158 Benchmark]: TraceAbstraction took 588125.03ms. Allocated memory was 317.7MB in the beginning and 392.2MB in the end (delta: 74.4MB). Free memory was 273.6MB in the beginning and 261.6MB in the end (delta: 12.0MB). Peak memory consumption was 87.0MB. Max. memory is 8.0GB. [2023-11-17 17:53:41,568 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 210.8MB. Free memory is still 160.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 467.42ms. Allocated memory is still 317.7MB. Free memory was 275.0MB in the beginning and 243.6MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.22ms. Allocated memory is still 317.7MB. Free memory was 243.6MB in the beginning and 240.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.82ms. Allocated memory is still 317.7MB. Free memory was 240.4MB in the beginning and 238.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 515.66ms. Allocated memory is still 317.7MB. Free memory was 238.0MB in the beginning and 274.7MB in the end (delta: -36.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * TraceAbstraction took 588125.03ms. Allocated memory was 317.7MB in the beginning and 392.2MB in the end (delta: 74.4MB). Free memory was 273.6MB in the beginning and 261.6MB in the end (delta: 12.0MB). Peak memory consumption was 87.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3994, independent: 3206, independent conditional: 495, independent unconditional: 2711, dependent: 788, dependent conditional: 766, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3235, independent: 3206, independent conditional: 495, independent unconditional: 2711, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3235, independent: 3206, independent conditional: 495, independent unconditional: 2711, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3241, independent: 3206, independent conditional: 0, independent unconditional: 3206, dependent: 35, dependent conditional: 6, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3241, independent: 3206, independent conditional: 0, independent unconditional: 3206, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3241, independent: 3206, independent conditional: 0, independent unconditional: 3206, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2053, independent: 2031, independent conditional: 0, independent unconditional: 2031, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2053, independent: 2019, independent conditional: 0, independent unconditional: 2019, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 34, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, independent: 57, independent conditional: 0, independent unconditional: 57, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3241, independent: 1175, independent conditional: 0, independent unconditional: 1175, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 2053, unknown conditional: 0, unknown unconditional: 2053] , Statistics on independence cache: Total cache size (in pairs): 2053, Positive cache size: 2031, Positive conditional cache size: 0, Positive unconditional cache size: 2031, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 1, Independence queries for same thread: 759 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 231, Number of trivial persistent sets: 201, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2733, independent: 2711, independent conditional: 0, independent unconditional: 2711, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3994, independent: 3206, independent conditional: 495, independent unconditional: 2711, dependent: 788, dependent conditional: 766, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3235, independent: 3206, independent conditional: 495, independent unconditional: 2711, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3235, independent: 3206, independent conditional: 495, independent unconditional: 2711, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3241, independent: 3206, independent conditional: 0, independent unconditional: 3206, dependent: 35, dependent conditional: 6, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3241, independent: 3206, independent conditional: 0, independent unconditional: 3206, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3241, independent: 3206, independent conditional: 0, independent unconditional: 3206, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2053, independent: 2031, independent conditional: 0, independent unconditional: 2031, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2053, independent: 2019, independent conditional: 0, independent unconditional: 2019, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 34, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, independent: 57, independent conditional: 0, independent unconditional: 57, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3241, independent: 1175, independent conditional: 0, independent unconditional: 1175, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 2053, unknown conditional: 0, unknown unconditional: 2053] , Statistics on independence cache: Total cache size (in pairs): 2053, Positive cache size: 2031, Positive conditional cache size: 0, Positive unconditional cache size: 2031, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 1, Independence queries for same thread: 759 - TimeoutResultAtElement [Line: 999]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 2077 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 315 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 588.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.9s, 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: 66, 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: 0.4s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2220 NumberOfCodeBlocks, 1869 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 4116 ConstructedInterpolants, 0 QuantifiedInterpolants, 9112 SizeOfPredicates, 16 NumberOfNonLiveVariables, 5389 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 6373/17663 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