/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_87-lists_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 17:43:00,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 17:43:00,213 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 17:43:00,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 17:43:00,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 17:43:00,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 17:43:00,239 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 17:43:00,240 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 17:43:00,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 17:43:00,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 17:43:00,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 17:43:00,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 17:43:00,243 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 17:43:00,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 17:43:00,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 17:43:00,245 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 17:43:00,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 17:43:00,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 17:43:00,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 17:43:00,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 17:43:00,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 17:43:00,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 17:43:00,246 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 17:43:00,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 17:43:00,246 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 17:43:00,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 17:43:00,247 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 17:43:00,247 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 17:43:00,247 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 17:43:00,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 17:43:00,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 17:43:00,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 17:43:00,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 17:43:00,248 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 17:43:00,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 17:43:00,248 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 17:43:00,248 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 17:43:00,249 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 17:43:00,249 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 17:43:00,249 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 17:43:00,249 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP [2023-11-17 17:43:00,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 17:43:00,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 17:43:00,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 17:43:00,429 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 17:43:00,429 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 17:43:00,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i [2023-11-17 17:43:01,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 17:43:01,574 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 17:43:01,574 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i [2023-11-17 17:43:01,588 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/371641747/183dc077870346ee9345de988264a460/FLAGff631cc66 [2023-11-17 17:43:01,600 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/371641747/183dc077870346ee9345de988264a460 [2023-11-17 17:43:01,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 17:43:01,602 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 17:43:01,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 17:43:01,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 17:43:01,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 17:43:01,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:43:01" (1/1) ... [2023-11-17 17:43:01,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b0c239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:01, skipping insertion in model container [2023-11-17 17:43:01,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:43:01" (1/1) ... [2023-11-17 17:43:01,640 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 17:43:01,906 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_87-lists_racefree.i[47038,47051] [2023-11-17 17:43:01,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 17:43:02,012 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 17:43:02,040 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_87-lists_racefree.i[47038,47051] [2023-11-17 17:43:02,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 17:43:02,114 INFO L206 MainTranslator]: Completed translation [2023-11-17 17:43:02,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:02 WrapperNode [2023-11-17 17:43:02,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 17:43:02,115 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 17:43:02,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 17:43:02,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 17:43:02,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:02" (1/1) ... [2023-11-17 17:43:02,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:02" (1/1) ... [2023-11-17 17:43:02,165 INFO L138 Inliner]: procedures = 279, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 258 [2023-11-17 17:43:02,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 17:43:02,166 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 17:43:02,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 17:43:02,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 17:43:02,178 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:02" (1/1) ... [2023-11-17 17:43:02,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:02" (1/1) ... [2023-11-17 17:43:02,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:02" (1/1) ... [2023-11-17 17:43:02,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:02" (1/1) ... [2023-11-17 17:43:02,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:02" (1/1) ... [2023-11-17 17:43:02,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:02" (1/1) ... [2023-11-17 17:43:02,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:02" (1/1) ... [2023-11-17 17:43:02,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:02" (1/1) ... [2023-11-17 17:43:02,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 17:43:02,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 17:43:02,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 17:43:02,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 17:43:02,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:02" (1/1) ... [2023-11-17 17:43:02,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 17:43:02,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:43:02,223 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 17:43:02,234 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 17:43:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 17:43:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 17:43:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2023-11-17 17:43:02,251 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2023-11-17 17:43:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 17:43:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-17 17:43:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 17:43:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-11-17 17:43:02,252 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-11-17 17:43:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 17:43:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-17 17:43:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 17:43:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 17:43:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 17:43:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 17:43:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 17:43:02,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 17:43:02,253 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 17:43:02,362 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 17:43:02,364 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 17:43:02,643 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 17:43:02,665 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 17:43:02,665 INFO L307 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-17 17:43:02,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:43:02 BoogieIcfgContainer [2023-11-17 17:43:02,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 17:43:02,668 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 17:43:02,668 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 17:43:02,670 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 17:43:02,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:43:01" (1/3) ... [2023-11-17 17:43:02,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f90d0e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:43:02, skipping insertion in model container [2023-11-17 17:43:02,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:02" (2/3) ... [2023-11-17 17:43:02,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f90d0e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:43:02, skipping insertion in model container [2023-11-17 17:43:02,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:43:02" (3/3) ... [2023-11-17 17:43:02,672 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_87-lists_racefree.i [2023-11-17 17:43:02,677 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 17:43:02,683 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 17:43:02,684 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 17:43:02,684 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 17:43:02,752 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-17 17:43:02,793 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:43:02,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 17:43:02,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:43:02,794 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 17:43:02,800 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 17:43:02,828 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 17:43:02,844 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of1ForFork0 ======== [2023-11-17 17:43:02,851 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;@2ce47d28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:43:02,852 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 17:43:13,137 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:43:13,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:43:13,142 INFO L85 PathProgramCache]: Analyzing trace with hash -612432285, now seen corresponding path program 1 times [2023-11-17 17:43:13,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:43:13,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669735325] [2023-11-17 17:43:13,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:13,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:43:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:43:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 867 trivial. 0 not checked. [2023-11-17 17:43:13,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:43:13,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669735325] [2023-11-17 17:43:13,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669735325] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:43:13,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:43:13,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 17:43:13,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703706570] [2023-11-17 17:43:13,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:43:13,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 17:43:13,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:43:13,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 17:43:13,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 17:43:13,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:13,604 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:43:13,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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 17:43:13,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:30,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 17:43:30,814 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:43:30,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:43:30,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1728898406, now seen corresponding path program 1 times [2023-11-17 17:43:30,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:43:30,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870993031] [2023-11-17 17:43:30,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:30,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:43:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:43:30,978 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-17 17:43:30,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:43:30,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870993031] [2023-11-17 17:43:30,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870993031] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:43:30,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272928280] [2023-11-17 17:43:30,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:30,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:43:30,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:43:31,015 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 17:43:31,018 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 17:43:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:43:31,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-17 17:43:31,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:43:31,304 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-17 17:43:31,305 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:43:31,347 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-17 17:43:31,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272928280] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:43:31,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:43:31,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-17 17:43:31,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554780101] [2023-11-17 17:43:31,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:43:31,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-17 17:43:31,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:43:31,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-17 17:43:31,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-17 17:43:31,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:31,357 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:43:31,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.9) internal successors, (169), 10 states have internal predecessors, (169), 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 17:43:31,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:31,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:31,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:31,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:43:31,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-17 17:43:31,689 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,SelfDestructingSolverStorable1 [2023-11-17 17:43:31,689 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:43:31,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:43:31,690 INFO L85 PathProgramCache]: Analyzing trace with hash 2067914300, now seen corresponding path program 2 times [2023-11-17 17:43:31,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:43:31,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741728017] [2023-11-17 17:43:31,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:31,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:43:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:43:31,821 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-17 17:43:31,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:43:31,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741728017] [2023-11-17 17:43:31,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741728017] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:43:31,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454526286] [2023-11-17 17:43:31,822 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 17:43:31,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:43:31,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:43:31,823 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 17:43:31,825 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 17:43:31,985 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 17:43:31,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:43:31,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-17 17:43:31,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:43:32,072 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-17 17:43:32,072 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:43:32,167 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-17 17:43:32,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454526286] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:43:32,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:43:32,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2023-11-17 17:43:32,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268654974] [2023-11-17 17:43:32,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:43:32,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-17 17:43:32,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:43:32,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-17 17:43:32,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2023-11-17 17:43:32,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:32,169 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:43:32,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.105263157894736) internal successors, (249), 19 states have internal predecessors, (249), 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 17:43:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:43:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:36,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:43:36,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-17 17:43:36,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-17 17:43:36,760 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 17:43:36,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:43:36,961 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2023-11-17 17:43:36,962 INFO L307 ceAbstractionStarter]: Result for error location t2_funThread1of1ForFork0 was SAFE (1/2) [2023-11-17 17:43:36,984 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:43:36,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 17:43:36,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:43:36,986 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 17:43:36,989 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 17:43:36,990 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 17:43:36,993 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 17:43:36,993 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;@2ce47d28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:43:36,993 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-17 17:43:38,140 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 17:43:38,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:43:38,141 INFO L85 PathProgramCache]: Analyzing trace with hash -205839571, now seen corresponding path program 1 times [2023-11-17 17:43:38,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:43:38,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208149034] [2023-11-17 17:43:38,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:38,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:43:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:43:38,168 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-17 17:43:38,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:43:38,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208149034] [2023-11-17 17:43:38,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208149034] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:43:38,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:43:38,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 17:43:38,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787276058] [2023-11-17 17:43:38,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:43:38,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 17:43:38,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:43:38,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 17:43:38,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 17:43:38,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:38,170 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:43:38,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 17:43:38,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:38,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:38,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-17 17:43:38,182 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 17:43:38,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:43:38,182 INFO L85 PathProgramCache]: Analyzing trace with hash -999708318, now seen corresponding path program 1 times [2023-11-17 17:43:38,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:43:38,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564323765] [2023-11-17 17:43:38,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:38,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:43:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:43:38,253 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-17 17:43:38,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:43:38,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564323765] [2023-11-17 17:43:38,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564323765] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:43:38,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377917348] [2023-11-17 17:43:38,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:38,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:43:38,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:43:38,256 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 17:43:38,262 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 17:43:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:43:38,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-17 17:43:38,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:43:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-17 17:43:38,394 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:43:38,420 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-17 17:43:38,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377917348] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:43:38,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:43:38,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-17 17:43:38,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756209696] [2023-11-17 17:43:38,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:43:38,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-17 17:43:38,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:43:38,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-17 17:43:38,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-17 17:43:38,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:38,423 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:43:38,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.6) internal successors, (96), 10 states have internal predecessors, (96), 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 17:43:38,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:38,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:38,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:38,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:43:38,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-17 17:43:38,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:43:38,669 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 17:43:38,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:43:38,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1455974452, now seen corresponding path program 2 times [2023-11-17 17:43:38,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:43:38,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070398873] [2023-11-17 17:43:38,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:38,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:43:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:43:38,817 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-17 17:43:38,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:43:38,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070398873] [2023-11-17 17:43:38,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070398873] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:43:38,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835214259] [2023-11-17 17:43:38,817 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 17:43:38,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:43:38,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:43:38,818 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 17:43:38,848 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 17:43:38,952 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 17:43:38,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:43:38,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-17 17:43:38,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:43:39,009 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-17 17:43:39,009 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:43:39,097 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-17 17:43:39,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835214259] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:43:39,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:43:39,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-11-17 17:43:39,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413502456] [2023-11-17 17:43:39,098 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:43:39,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-17 17:43:39,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:43:39,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-17 17:43:39,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-11-17 17:43:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:39,099 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:43:39,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.88888888888889) internal successors, (160), 18 states have internal predecessors, (160), 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 17:43:39,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:39,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:43:39,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:39,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:39,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:43:39,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:43:39,252 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 17:43:39,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:43:39,450 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 17:43:39,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:43:39,450 INFO L85 PathProgramCache]: Analyzing trace with hash -171508576, now seen corresponding path program 3 times [2023-11-17 17:43:39,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:43:39,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135549448] [2023-11-17 17:43:39,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:39,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:43:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:43:39,816 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 343 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-17 17:43:39,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:43:39,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135549448] [2023-11-17 17:43:39,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135549448] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:43:39,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55121412] [2023-11-17 17:43:39,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 17:43:39,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:43:39,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:43:39,821 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:43:39,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-17 17:45:35,196 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-11-17 17:45:35,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:45:35,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-17 17:45:35,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:45:35,359 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 343 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-17 17:45:35,360 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:45:35,619 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 343 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-17 17:45:35,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55121412] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:45:35,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:45:35,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2023-11-17 17:45:35,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524955871] [2023-11-17 17:45:35,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:45:35,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-11-17 17:45:35,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:45:35,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-17 17:45:35,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2023-11-17 17:45:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:45:35,622 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:45:35,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.470588235294118) internal successors, (288), 34 states have internal predecessors, (288), 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 17:45:35,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:45:35,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:45:35,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:45:35,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:45:36,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:45:36,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:45:36,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:45:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-17 17:45:36,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-17 17:45:36,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:45:36,233 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 17:45:36,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:45:36,234 INFO L85 PathProgramCache]: Analyzing trace with hash 70510152, now seen corresponding path program 4 times [2023-11-17 17:45:36,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:45:36,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319193291] [2023-11-17 17:45:36,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:45:36,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:45:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:45:37,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1700 backedges. 0 proven. 1695 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-17 17:45:37,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:45:37,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319193291] [2023-11-17 17:45:37,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319193291] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:45:37,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826265039] [2023-11-17 17:45:37,292 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-17 17:45:37,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:45:37,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:45:37,294 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:45:37,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-17 17:48:46,576 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-17 17:48:46,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:48:46,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 1269 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-17 17:48:46,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:48:46,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1700 backedges. 0 proven. 1695 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-17 17:48:46,861 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:48:47,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1700 backedges. 0 proven. 1695 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-17 17:48:47,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826265039] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:48:47,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:48:47,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 66 [2023-11-17 17:48:47,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383025478] [2023-11-17 17:48:47,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:48:47,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2023-11-17 17:48:47,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:48:47,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2023-11-17 17:48:47,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1122, Invalid=3168, Unknown=0, NotChecked=0, Total=4290 [2023-11-17 17:48:47,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:48:47,736 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:48:47,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 8.242424242424242) internal successors, (544), 66 states have internal predecessors, (544), 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 17:48:47,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:48:47,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:48:47,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:48:47,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-11-17 17:48:47,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:48:49,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:48:49,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:48:49,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:48:49,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-17 17:48:49,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2023-11-17 17:48:49,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-17 17:48:49,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-17 17:48:49,487 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 17:48:49,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:48:49,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1111898520, now seen corresponding path program 5 times [2023-11-17 17:48:49,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:48:49,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453696251] [2023-11-17 17:48:49,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:48:49,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:48:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:48:53,180 INFO L134 CoverageAnalysis]: Checked inductivity of 7476 backedges. 0 proven. 7471 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-17 17:48:53,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:48:53,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453696251] [2023-11-17 17:48:53,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453696251] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:48:53,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904355150] [2023-11-17 17:48:53,181 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-17 17:48:53,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:48:53,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:48:53,182 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:48:53,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process Received shutdown request... [2023-11-17 17:52:40,537 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 17:52:40,537 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 17:52:40,537 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 17:52:40,537 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 17:52:41,565 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 17:52:41,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2023-11-17 17:52:41,619 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 17:52:41,748 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forcibly destroying the process [2023-11-17 17:52:41,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 137 [2023-11-17 17:52:41,766 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-17 17:52:41,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-17 17:52:41,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2023-11-17 17:52:41,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135256361] [2023-11-17 17:52:41,766 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-17 17:52:41,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-11-17 17:52:41,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:52:41,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-11-17 17:52:41,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1088, Invalid=3072, Unknown=0, NotChecked=0, Total=4160 [2023-11-17 17:52:41,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:41,769 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:52:41,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 8.338461538461539) internal successors, (542), 65 states have internal predecessors, (542), 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 17:52:41,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:52:41,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:52:41,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:52:41,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-11-17 17:52:41,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2023-11-17 17:52:41,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:41,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-17 17:52:41,771 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-11-17 17:52:41,771 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2023-11-17 17:52:41,771 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-11-17 17:52:41,772 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1] [2023-11-17 17:52:41,772 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was TIMEOUT,TIMEOUT (2/2) [2023-11-17 17:52:41,773 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 17:52:41,773 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 17:52:41,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 05:52:41 BasicIcfg [2023-11-17 17:52:41,775 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 17:52:41,775 INFO L158 Benchmark]: Toolchain (without parser) took 580173.04ms. Allocated memory was 317.7MB in the beginning and 381.7MB in the end (delta: 64.0MB). Free memory was 272.8MB in the beginning and 150.8MB in the end (delta: 122.0MB). Peak memory consumption was 186.3MB. Max. memory is 8.0GB. [2023-11-17 17:52:41,776 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 204.5MB. Free memory is still 154.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 17:52:41,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 511.76ms. Allocated memory is still 317.7MB. Free memory was 272.4MB in the beginning and 236.5MB in the end (delta: 36.0MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2023-11-17 17:52:41,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.35ms. Allocated memory is still 317.7MB. Free memory was 236.5MB in the beginning and 233.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-11-17 17:52:41,776 INFO L158 Benchmark]: Boogie Preprocessor took 35.45ms. Allocated memory is still 317.7MB. Free memory was 233.3MB in the beginning and 230.9MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-11-17 17:52:41,776 INFO L158 Benchmark]: RCFGBuilder took 464.28ms. Allocated memory is still 317.7MB. Free memory was 230.5MB in the beginning and 266.2MB in the end (delta: -35.7MB). Peak memory consumption was 15.9MB. Max. memory is 8.0GB. [2023-11-17 17:52:41,776 INFO L158 Benchmark]: TraceAbstraction took 579107.23ms. Allocated memory was 317.7MB in the beginning and 381.7MB in the end (delta: 64.0MB). Free memory was 265.1MB in the beginning and 150.8MB in the end (delta: 114.3MB). Peak memory consumption was 177.8MB. Max. memory is 8.0GB. [2023-11-17 17:52:41,777 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 204.5MB. Free memory is still 154.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 511.76ms. Allocated memory is still 317.7MB. Free memory was 272.4MB in the beginning and 236.5MB in the end (delta: 36.0MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.35ms. Allocated memory is still 317.7MB. Free memory was 236.5MB in the beginning and 233.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.45ms. Allocated memory is still 317.7MB. Free memory was 233.3MB in the beginning and 230.9MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 464.28ms. Allocated memory is still 317.7MB. Free memory was 230.5MB in the beginning and 266.2MB in the end (delta: -35.7MB). Peak memory consumption was 15.9MB. Max. memory is 8.0GB. * TraceAbstraction took 579107.23ms. Allocated memory was 317.7MB in the beginning and 381.7MB in the end (delta: 64.0MB). Free memory was 265.1MB in the beginning and 150.8MB in the end (delta: 114.3MB). Peak memory consumption was 177.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20853, independent: 20201, independent conditional: 2372, independent unconditional: 17829, dependent: 595, dependent conditional: 489, dependent unconditional: 106, unknown: 57, unknown conditional: 32, unknown unconditional: 25] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20412, independent: 20201, independent conditional: 2372, independent unconditional: 17829, dependent: 154, dependent conditional: 48, dependent unconditional: 106, unknown: 57, unknown conditional: 32, unknown unconditional: 25] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 20412, independent: 20201, independent conditional: 2372, independent unconditional: 17829, dependent: 154, dependent conditional: 48, dependent unconditional: 106, unknown: 57, unknown conditional: 32, unknown unconditional: 25] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20484, independent: 20201, independent conditional: 0, independent unconditional: 20201, dependent: 198, dependent conditional: 44, dependent unconditional: 154, unknown: 85, unknown conditional: 28, unknown unconditional: 57] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20484, independent: 20201, independent conditional: 0, independent unconditional: 20201, dependent: 198, dependent conditional: 2, dependent unconditional: 196, unknown: 85, unknown conditional: 4, unknown unconditional: 81] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20484, independent: 20201, independent conditional: 0, independent unconditional: 20201, dependent: 198, dependent conditional: 2, dependent unconditional: 196, unknown: 85, unknown conditional: 4, unknown unconditional: 81] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16034, independent: 15897, independent conditional: 0, independent unconditional: 15897, dependent: 108, dependent conditional: 2, dependent unconditional: 106, unknown: 29, unknown conditional: 4, unknown unconditional: 25] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16034, independent: 15851, independent conditional: 0, independent unconditional: 15851, dependent: 183, dependent conditional: 0, dependent unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 183, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 108, dependent conditional: 2, dependent unconditional: 106, unknown: 29, unknown conditional: 4, unknown unconditional: 25] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 108, dependent conditional: 2, dependent unconditional: 106, unknown: 29, unknown conditional: 4, unknown unconditional: 25] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31506, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 525, dependent conditional: 43, dependent unconditional: 482, unknown: 30765, unknown conditional: 4357, unknown unconditional: 26408] , Protected Queries: 0 ], Cache Queries: [ total: 20484, independent: 4304, independent conditional: 0, independent unconditional: 4304, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 16090, unknown conditional: 6, unknown unconditional: 16084] , Statistics on independence cache: Total cache size (in pairs): 16005, Positive cache size: 15897, Positive conditional cache size: 0, Positive unconditional cache size: 15897, Negative cache size: 108, Negative conditional cache size: 2, Negative unconditional cache size: 106, Unknown cache size: 29, Unknown conditional cache size: 4, Unknown unconditional cache size: 25, Eliminated conditions: 66, Maximal queried relation: 1, Independence queries for same thread: 441 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 27.3s, Number of persistent set computation: 709, Number of trivial persistent sets: 358, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17960, independent: 17829, independent conditional: 0, independent unconditional: 17829, dependent: 106, dependent conditional: 0, dependent unconditional: 106, unknown: 25, unknown conditional: 0, unknown unconditional: 25] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20853, independent: 20201, independent conditional: 2372, independent unconditional: 17829, dependent: 595, dependent conditional: 489, dependent unconditional: 106, unknown: 57, unknown conditional: 32, unknown unconditional: 25] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20412, independent: 20201, independent conditional: 2372, independent unconditional: 17829, dependent: 154, dependent conditional: 48, dependent unconditional: 106, unknown: 57, unknown conditional: 32, unknown unconditional: 25] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 20412, independent: 20201, independent conditional: 2372, independent unconditional: 17829, dependent: 154, dependent conditional: 48, dependent unconditional: 106, unknown: 57, unknown conditional: 32, unknown unconditional: 25] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20484, independent: 20201, independent conditional: 0, independent unconditional: 20201, dependent: 198, dependent conditional: 44, dependent unconditional: 154, unknown: 85, unknown conditional: 28, unknown unconditional: 57] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20484, independent: 20201, independent conditional: 0, independent unconditional: 20201, dependent: 198, dependent conditional: 2, dependent unconditional: 196, unknown: 85, unknown conditional: 4, unknown unconditional: 81] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20484, independent: 20201, independent conditional: 0, independent unconditional: 20201, dependent: 198, dependent conditional: 2, dependent unconditional: 196, unknown: 85, unknown conditional: 4, unknown unconditional: 81] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16034, independent: 15897, independent conditional: 0, independent unconditional: 15897, dependent: 108, dependent conditional: 2, dependent unconditional: 106, unknown: 29, unknown conditional: 4, unknown unconditional: 25] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16034, independent: 15851, independent conditional: 0, independent unconditional: 15851, dependent: 183, dependent conditional: 0, dependent unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 183, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 108, dependent conditional: 2, dependent unconditional: 106, unknown: 29, unknown conditional: 4, unknown unconditional: 25] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 108, dependent conditional: 2, dependent unconditional: 106, unknown: 29, unknown conditional: 4, unknown unconditional: 25] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31506, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 525, dependent conditional: 43, dependent unconditional: 482, unknown: 30765, unknown conditional: 4357, unknown unconditional: 26408] , Protected Queries: 0 ], Cache Queries: [ total: 20484, independent: 4304, independent conditional: 0, independent unconditional: 4304, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 16090, unknown conditional: 6, unknown unconditional: 16084] , Statistics on independence cache: Total cache size (in pairs): 16005, Positive cache size: 15897, Positive conditional cache size: 0, Positive unconditional cache size: 15897, Negative cache size: 108, Negative conditional cache size: 2, Negative unconditional cache size: 106, Unknown cache size: 29, Unknown conditional cache size: 4, Unknown unconditional cache size: 25, Eliminated conditions: 66, Maximal queried relation: 1, Independence queries for same thread: 441 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2871, independent: 2641, independent conditional: 84, independent unconditional: 2557, dependent: 229, dependent conditional: 225, dependent unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2646, independent: 2641, independent conditional: 84, independent unconditional: 2557, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2646, independent: 2641, independent conditional: 84, independent unconditional: 2557, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2646, independent: 2641, independent conditional: 0, independent unconditional: 2641, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2646, independent: 2641, independent conditional: 0, independent unconditional: 2641, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2646, independent: 2641, independent conditional: 0, independent unconditional: 2641, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2536, independent: 2531, independent conditional: 0, independent unconditional: 2531, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2536, independent: 2526, independent conditional: 0, independent unconditional: 2526, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1134, independent: 59, independent conditional: 0, independent unconditional: 59, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 1068, unknown conditional: 0, unknown unconditional: 1068] , Protected Queries: 0 ], Cache Queries: [ total: 2646, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2536, unknown conditional: 0, unknown unconditional: 2536] , Statistics on independence cache: Total cache size (in pairs): 2535, Positive cache size: 2531, Positive conditional cache size: 0, Positive unconditional cache size: 2531, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 225 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.1s, Number of persistent set computation: 65, Number of trivial persistent sets: 57, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2562, independent: 2557, independent conditional: 0, independent unconditional: 2557, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2871, independent: 2641, independent conditional: 84, independent unconditional: 2557, dependent: 229, dependent conditional: 225, dependent unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2646, independent: 2641, independent conditional: 84, independent unconditional: 2557, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2646, independent: 2641, independent conditional: 84, independent unconditional: 2557, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2646, independent: 2641, independent conditional: 0, independent unconditional: 2641, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2646, independent: 2641, independent conditional: 0, independent unconditional: 2641, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2646, independent: 2641, independent conditional: 0, independent unconditional: 2641, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2536, independent: 2531, independent conditional: 0, independent unconditional: 2531, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2536, independent: 2526, independent conditional: 0, independent unconditional: 2526, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1134, independent: 59, independent conditional: 0, independent unconditional: 59, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 1068, unknown conditional: 0, unknown unconditional: 1068] , Protected Queries: 0 ], Cache Queries: [ total: 2646, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2536, unknown conditional: 0, unknown unconditional: 2536] , Statistics on independence cache: Total cache size (in pairs): 2535, Positive cache size: 2531, Positive conditional cache size: 0, Positive unconditional cache size: 2531, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 225 - TimeoutResultAtElement [Line: 1052]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 1051]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2_funThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 377 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 34.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 32.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 37, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 896 NumberOfCodeBlocks, 896 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1199 ConstructedInterpolants, 0 QuantifiedInterpolants, 1521 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1014 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 953/1059 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 377 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 544.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 3.3s, 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: 173, 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: 0.1s SsaConstructionTime, 304.6s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 1828 NumberOfCodeBlocks, 1828 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2430 ConstructedInterpolants, 0 QuantifiedInterpolants, 5946 SizeOfPredicates, 52 NumberOfNonLiveVariables, 2560 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 14 InterpolantComputations, 1 PerfectInterpolantSequences, 70/13811 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