/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_10-ptrmunge_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 17:27:39,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 17:27:39,999 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 17:27:40,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 17:27:40,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 17:27:40,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 17:27:40,022 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 17:27:40,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 17:27:40,023 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 17:27:40,023 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 17:27:40,024 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 17:27:40,024 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 17:27:40,024 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 17:27:40,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 17:27:40,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 17:27:40,025 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 17:27:40,026 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 17:27:40,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 17:27:40,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 17:27:40,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 17:27:40,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 17:27:40,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 17:27:40,028 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 17:27:40,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 17:27:40,028 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 17:27:40,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 17:27:40,029 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 17:27:40,029 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 17:27:40,030 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 17:27:40,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 17:27:40,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 17:27:40,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 17:27:40,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 17:27:40,031 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 17:27:40,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 17:27:40,031 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 17:27:40,032 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 17:27:40,032 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 17:27:40,032 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 17:27:40,032 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 17:27:40,032 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP [2023-11-17 17:27:40,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 17:27:40,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 17:27:40,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 17:27:40,270 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 17:27:40,270 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 17:27:40,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_10-ptrmunge_racefree.i [2023-11-17 17:27:41,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 17:27:41,776 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 17:27:41,776 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_10-ptrmunge_racefree.i [2023-11-17 17:27:41,794 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51ce7c088/2b5cea4b1f5d4026a4cf646b26b15a0d/FLAG8822caff9 [2023-11-17 17:27:41,812 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51ce7c088/2b5cea4b1f5d4026a4cf646b26b15a0d [2023-11-17 17:27:41,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 17:27:41,818 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 17:27:41,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 17:27:41,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 17:27:41,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 17:27:41,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:27:41" (1/1) ... [2023-11-17 17:27:41,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2461d467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:27:41, skipping insertion in model container [2023-11-17 17:27:41,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:27:41" (1/1) ... [2023-11-17 17:27:41,874 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 17:27:42,122 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_10-ptrmunge_racefree.i[30176,30189] [2023-11-17 17:27:42,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 17:27:42,171 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 17:27:42,210 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_10-ptrmunge_racefree.i[30176,30189] [2023-11-17 17:27:42,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 17:27:42,267 INFO L206 MainTranslator]: Completed translation [2023-11-17 17:27:42,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:27:42 WrapperNode [2023-11-17 17:27:42,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 17:27:42,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 17:27:42,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 17:27:42,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 17:27:42,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:27:42" (1/1) ... [2023-11-17 17:27:42,298 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:27:42" (1/1) ... [2023-11-17 17:27:42,325 INFO L138 Inliner]: procedures = 173, calls = 56, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 247 [2023-11-17 17:27:42,326 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 17:27:42,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 17:27:42,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 17:27:42,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 17:27:42,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:27:42" (1/1) ... [2023-11-17 17:27:42,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:27:42" (1/1) ... [2023-11-17 17:27:42,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:27:42" (1/1) ... [2023-11-17 17:27:42,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:27:42" (1/1) ... [2023-11-17 17:27:42,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:27:42" (1/1) ... [2023-11-17 17:27:42,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:27:42" (1/1) ... [2023-11-17 17:27:42,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:27:42" (1/1) ... [2023-11-17 17:27:42,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:27:42" (1/1) ... [2023-11-17 17:27:42,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 17:27:42,357 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 17:27:42,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 17:27:42,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 17:27:42,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:27:42" (1/1) ... [2023-11-17 17:27:42,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 17:27:42,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:27:42,407 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 17:27:42,428 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 17:27:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 17:27:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-11-17 17:27:42,440 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-11-17 17:27:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 17:27:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-17 17:27:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 17:27:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 17:27:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2023-11-17 17:27:42,441 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2023-11-17 17:27:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 17:27:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 17:27:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-17 17:27:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 17:27:42,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 17:27:42,445 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 17:27:42,586 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 17:27:42,588 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 17:27:42,891 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 17:27:42,967 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 17:27:42,968 INFO L307 CfgBuilder]: Removed 24 assume(true) statements. [2023-11-17 17:27:42,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:27:42 BoogieIcfgContainer [2023-11-17 17:27:42,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 17:27:42,973 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 17:27:42,973 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 17:27:42,975 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 17:27:42,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:27:41" (1/3) ... [2023-11-17 17:27:42,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31317348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:27:42, skipping insertion in model container [2023-11-17 17:27:42,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:27:42" (2/3) ... [2023-11-17 17:27:42,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31317348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:27:42, skipping insertion in model container [2023-11-17 17:27:42,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:27:42" (3/3) ... [2023-11-17 17:27:42,979 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_10-ptrmunge_racefree.i [2023-11-17 17:27:42,987 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 17:27:42,994 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 17:27:42,995 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-17 17:27:42,995 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 17:27:43,080 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-17 17:27:43,135 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:27:43,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 17:27:43,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:27:43,138 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 17:27:43,143 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 17:27:43,190 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 17:27:43,202 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of1ForFork1 ======== [2023-11-17 17:27:43,211 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;@94ae477, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:27:43,211 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 17:27:44,043 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:27:44,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:27:44,048 INFO L85 PathProgramCache]: Analyzing trace with hash -2062624812, now seen corresponding path program 1 times [2023-11-17 17:27:44,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:27:44,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112258167] [2023-11-17 17:27:44,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:27:44,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:27:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:27:44,498 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-11-17 17:27:44,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:27:44,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112258167] [2023-11-17 17:27:44,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112258167] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:27:44,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232035532] [2023-11-17 17:27:44,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:27:44,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:27:44,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:27:44,543 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 17:27:44,560 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 17:27:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:27:44,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-17 17:27:44,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:27:44,726 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-17 17:27:44,727 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 17:27:44,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232035532] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:27:44,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 17:27:44,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2023-11-17 17:27:44,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97754462] [2023-11-17 17:27:44,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:27:44,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 17:27:44,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:27:44,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 17:27:44,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-17 17:27:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:27:44,756 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:27:44,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 53.5) internal successors, (107), 2 states have internal predecessors, (107), 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 17:27:44,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:27:46,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:27:46,809 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 17:27:47,000 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,SelfDestructingSolverStorable0 [2023-11-17 17:27:47,000 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:27:47,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:27:47,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1050947086, now seen corresponding path program 1 times [2023-11-17 17:27:47,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:27:47,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143593744] [2023-11-17 17:27:47,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:27:47,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:27:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:27:47,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 17:27:47,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:27:47,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143593744] [2023-11-17 17:27:47,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143593744] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:27:47,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080942465] [2023-11-17 17:27:47,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:27:47,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:27:47,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:27:47,188 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 17:27:47,192 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 17:27:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:27:47,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-17 17:27:47,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:27:47,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 17:27:47,347 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:27:47,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 17:27:47,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080942465] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:27:47,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:27:47,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-17 17:27:47,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246436555] [2023-11-17 17:27:47,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:27:47,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-17 17:27:47,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:27:47,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-17 17:27:47,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-17 17:27:47,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:27:47,389 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:27:47,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.6) internal successors, (106), 10 states have internal predecessors, (106), 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 17:27:47,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:27:47,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:27:47,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:27:47,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 17:27:47,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-17 17:27:47,483 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 17:27:47,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:27:47,685 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-17 17:27:47,687 INFO L307 ceAbstractionStarter]: Result for error location t2_funThread1of1ForFork1 was SAFE (1/3) [2023-11-17 17:27:47,692 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:27:47,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 17:27:47,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:27:47,694 INFO L229 MonitoredProcess]: Starting monitored process 5 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 17:27:47,698 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 17:27:47,699 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1_funThread1of1ForFork0 ======== [2023-11-17 17:27:47,699 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;@94ae477, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:27:47,699 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 17:27:47,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2023-11-17 17:27:47,797 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:27:47,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:27:47,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1492692061, now seen corresponding path program 1 times [2023-11-17 17:27:47,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:27:47,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698750777] [2023-11-17 17:27:47,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:27:47,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:27:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:27:47,856 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-17 17:27:47,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:27:47,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698750777] [2023-11-17 17:27:47,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698750777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:27:47,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:27:47,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 17:27:47,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425843264] [2023-11-17 17:27:47,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:27:47,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 17:27:47,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:27:47,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 17:27:47,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 17:27:47,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:27:47,862 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:27:47,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:27:47,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:27:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:27:50,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-17 17:27:50,062 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:27:50,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:27:50,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1936903822, now seen corresponding path program 1 times [2023-11-17 17:27:50,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:27:50,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474138097] [2023-11-17 17:27:50,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:27:50,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:27:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:27:50,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:27:50,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:27:50,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474138097] [2023-11-17 17:27:50,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474138097] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:27:50,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896678627] [2023-11-17 17:27:50,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:27:50,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:27:50,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:27:50,348 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 17:27:50,366 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 17:27:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:27:50,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-17 17:27:50,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:27:50,702 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-17 17:27:50,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-17 17:27:50,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 17:27:51,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:27:51,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:27:51,308 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 30 treesize of output 22 [2023-11-17 17:27:51,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-17 17:27:51,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:27:51,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896678627] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:27:51,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:27:51,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2023-11-17 17:27:51,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983272332] [2023-11-17 17:27:51,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:27:51,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-17 17:27:51,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:27:51,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-17 17:27:51,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=462, Unknown=10, NotChecked=0, Total=552 [2023-11-17 17:27:51,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:27:51,832 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:27:51,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.125) internal successors, (147), 24 states have internal predecessors, (147), 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 17:27:51,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:27:51,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:27:53,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:27:53,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 17:27:53,080 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 17:27:53,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:27:53,277 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:27:53,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:27:53,277 INFO L85 PathProgramCache]: Analyzing trace with hash -667600824, now seen corresponding path program 1 times [2023-11-17 17:27:53,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:27:53,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562656080] [2023-11-17 17:27:53,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:27:53,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:27:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:27:53,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:27:53,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:27:53,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562656080] [2023-11-17 17:27:53,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562656080] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:27:53,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049514311] [2023-11-17 17:27:53,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:27:53,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:27:53,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:27:53,354 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 17:27:53,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-17 17:27:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:27:53,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-17 17:27:53,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:27:53,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:27:53,484 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:27:53,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:27:53,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049514311] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:27:53,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:27:53,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-17 17:27:53,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965477960] [2023-11-17 17:27:53,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:27:53,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-17 17:27:53,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:27:53,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-17 17:27:53,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-17 17:27:53,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:27:53,525 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:27:53,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.0) internal successors, (120), 10 states have internal predecessors, (120), 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 17:27:53,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:27:53,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 17:27:53,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:27:53,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:27:53,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 17:27:53,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 17:27:53,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-17 17:27:53,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-17 17:27:53,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:27:53,825 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-17 17:27:53,826 INFO L307 ceAbstractionStarter]: Result for error location t1_funThread1of1ForFork0 was SAFE (2/3) [2023-11-17 17:27:53,831 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:27:53,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 17:27:53,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:27:53,833 INFO L229 MonitoredProcess]: Starting monitored process 8 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 17:27:53,840 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 17:27:53,841 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 17:27:53,841 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;@94ae477, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:27:53,841 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-17 17:27:53,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2023-11-17 17:27:53,968 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 17:27:53,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:27:53,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1005805829, now seen corresponding path program 1 times [2023-11-17 17:27:53,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:27:53,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738688922] [2023-11-17 17:27:53,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:27:53,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:27:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 17:27:53,984 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-17 17:27:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 17:27:54,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-17 17:27:54,023 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-17 17:27:54,023 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2023-11-17 17:27:54,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-11-17 17:27:54,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-17 17:27:54,026 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-17 17:27:54,026 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (3/3) [2023-11-17 17:27:54,026 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-17 17:27:54,026 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-17 17:27:54,086 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2023-11-17 17:27:54,093 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:27:54,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 17:27:54,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:27:54,101 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 17:27:54,110 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 17:27:54,110 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of2ForFork1 ======== [2023-11-17 17:27:54,111 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;@94ae477, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:27:54,111 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 17:27:54,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process