/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking BOTH --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-08 04:41:04,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-08 04:41:04,065 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-08 04:41:04,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-08 04:41:04,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-08 04:41:04,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-08 04:41:04,092 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-08 04:41:04,092 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-08 04:41:04,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-08 04:41:04,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-08 04:41:04,096 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-08 04:41:04,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-08 04:41:04,096 INFO L153 SettingsManager]: * Use SBE=true [2024-05-08 04:41:04,097 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-08 04:41:04,097 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-08 04:41:04,098 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-08 04:41:04,098 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-08 04:41:04,098 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-08 04:41:04,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-08 04:41:04,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-08 04:41:04,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-08 04:41:04,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-08 04:41:04,099 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-08 04:41:04,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-08 04:41:04,099 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-08 04:41:04,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-08 04:41:04,099 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-08 04:41:04,099 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-08 04:41:04,100 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-08 04:41:04,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-08 04:41:04,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-08 04:41:04,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-08 04:41:04,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-08 04:41:04,101 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-08 04:41:04,101 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-08 04:41:04,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-08 04:41:04,101 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-08 04:41:04,102 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-08 04:41:04,102 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-08 04:41:04,102 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-08 04:41:04,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-08 04:41:04,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-08 04:41:04,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-08 04:41:04,289 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-08 04:41:04,289 INFO L274 PluginConnector]: CDTParser initialized [2024-05-08 04:41:04,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c [2024-05-08 04:41:05,236 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-08 04:41:05,378 INFO L384 CDTParser]: Found 1 translation units. [2024-05-08 04:41:05,379 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c [2024-05-08 04:41:05,385 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fc4cc87a7/a7dfb4e03e39465db3f9004e73ea3683/FLAGfa9d0f0fb [2024-05-08 04:41:05,396 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fc4cc87a7/a7dfb4e03e39465db3f9004e73ea3683 [2024-05-08 04:41:05,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-08 04:41:05,399 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-08 04:41:05,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-08 04:41:05,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-08 04:41:05,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-08 04:41:05,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 04:41:05" (1/1) ... [2024-05-08 04:41:05,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eede1f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:41:05, skipping insertion in model container [2024-05-08 04:41:05,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 04:41:05" (1/1) ... [2024-05-08 04:41:05,427 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-08 04:41:05,549 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c[2641,2654] [2024-05-08 04:41:05,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-08 04:41:05,562 INFO L202 MainTranslator]: Completed pre-run [2024-05-08 04:41:05,577 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c[2641,2654] [2024-05-08 04:41:05,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-08 04:41:05,590 INFO L206 MainTranslator]: Completed translation [2024-05-08 04:41:05,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:41:05 WrapperNode [2024-05-08 04:41:05,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-08 04:41:05,591 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-08 04:41:05,591 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-08 04:41:05,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-08 04:41:05,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:41:05" (1/1) ... [2024-05-08 04:41:05,603 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:41:05" (1/1) ... [2024-05-08 04:41:05,628 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 165 [2024-05-08 04:41:05,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-08 04:41:05,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-08 04:41:05,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-08 04:41:05,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-08 04:41:05,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:41:05" (1/1) ... [2024-05-08 04:41:05,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:41:05" (1/1) ... [2024-05-08 04:41:05,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:41:05" (1/1) ... [2024-05-08 04:41:05,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:41:05" (1/1) ... [2024-05-08 04:41:05,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:41:05" (1/1) ... [2024-05-08 04:41:05,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:41:05" (1/1) ... [2024-05-08 04:41:05,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:41:05" (1/1) ... [2024-05-08 04:41:05,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:41:05" (1/1) ... [2024-05-08 04:41:05,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-08 04:41:05,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-08 04:41:05,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-08 04:41:05,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-08 04:41:05,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:41:05" (1/1) ... [2024-05-08 04:41:05,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-08 04:41:05,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 04:41:05,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-08 04:41:05,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-08 04:41:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-08 04:41:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-08 04:41:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-08 04:41:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-08 04:41:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-08 04:41:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-08 04:41:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-08 04:41:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-08 04:41:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-08 04:41:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-08 04:41:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-08 04:41:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-08 04:41:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-08 04:41:05,716 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-08 04:41:05,799 INFO L241 CfgBuilder]: Building ICFG [2024-05-08 04:41:05,800 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-08 04:41:06,114 INFO L282 CfgBuilder]: Performing block encoding [2024-05-08 04:41:06,123 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-08 04:41:06,123 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-08 04:41:06,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.05 04:41:06 BoogieIcfgContainer [2024-05-08 04:41:06,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-08 04:41:06,127 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-08 04:41:06,127 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-08 04:41:06,129 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-08 04:41:06,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.05 04:41:05" (1/3) ... [2024-05-08 04:41:06,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578333db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.05 04:41:06, skipping insertion in model container [2024-05-08 04:41:06,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:41:05" (2/3) ... [2024-05-08 04:41:06,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578333db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.05 04:41:06, skipping insertion in model container [2024-05-08 04:41:06,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.05 04:41:06" (3/3) ... [2024-05-08 04:41:06,131 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.c [2024-05-08 04:41:06,137 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-08 04:41:06,146 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-08 04:41:06,146 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-08 04:41:06,147 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-08 04:41:06,215 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-08 04:41:06,253 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-08 04:41:06,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-08 04:41:06,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 04:41:06,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-08 04:41:06,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-08 04:41:06,283 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-08 04:41:06,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 04:41:06,293 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-08 04:41:06,298 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;@5fb6778a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-08 04:41:06,299 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-08 04:41:06,509 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 04:41:06,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 04:41:06,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1629779362, now seen corresponding path program 1 times [2024-05-08 04:41:06,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 04:41:06,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073683732] [2024-05-08 04:41:06,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 04:41:06,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 04:41:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 04:41:06,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-08 04:41:06,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 04:41:06,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073683732] [2024-05-08 04:41:06,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073683732] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 04:41:06,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-08 04:41:06,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-08 04:41:06,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475435928] [2024-05-08 04:41:06,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 04:41:06,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-08 04:41:06,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 04:41:06,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-08 04:41:06,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-08 04:41:06,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:41:06,790 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 04:41:06,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 67.5) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 04:41:06,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:41:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:41:06,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-08 04:41:06,870 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 04:41:06,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 04:41:06,871 INFO L85 PathProgramCache]: Analyzing trace with hash 344127282, now seen corresponding path program 1 times [2024-05-08 04:41:06,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 04:41:06,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787608400] [2024-05-08 04:41:06,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 04:41:06,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 04:41:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 04:41:07,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 04:41:07,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 04:41:07,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787608400] [2024-05-08 04:41:07,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787608400] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 04:41:07,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383929095] [2024-05-08 04:41:07,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 04:41:07,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 04:41:07,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 04:41:07,930 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 04:41:07,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-08 04:41:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 04:41:08,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-08 04:41:08,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 04:41:08,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 04:41:08,292 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 04:41:08,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 04:41:08,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383929095] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 04:41:08,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 04:41:08,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 22 [2024-05-08 04:41:08,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763293912] [2024-05-08 04:41:08,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 04:41:08,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-05-08 04:41:08,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 04:41:08,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-05-08 04:41:08,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2024-05-08 04:41:08,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:41:08,546 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 04:41:08,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 10.227272727272727) internal successors, (225), 22 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 04:41:08,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:41:08,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:41:09,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:41:09,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-08 04:41:09,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-08 04:41:09,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-05-08 04:41:09,355 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 04:41:09,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 04:41:09,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1869518720, now seen corresponding path program 1 times [2024-05-08 04:41:09,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 04:41:09,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588568577] [2024-05-08 04:41:09,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 04:41:09,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 04:41:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 04:41:10,405 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 04:41:10,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 04:41:10,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588568577] [2024-05-08 04:41:10,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588568577] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 04:41:10,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176619690] [2024-05-08 04:41:10,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 04:41:10,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 04:41:10,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 04:41:10,407 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 04:41:10,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-08 04:41:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 04:41:10,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-08 04:41:10,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 04:41:10,745 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-08 04:41:10,745 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-08 04:41:10,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176619690] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 04:41:10,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-08 04:41:10,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 23 [2024-05-08 04:41:10,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930391789] [2024-05-08 04:41:10,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 04:41:10,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-08 04:41:10,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 04:41:10,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-08 04:41:10,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2024-05-08 04:41:10,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:41:10,762 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 04:41:10,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.625) internal successors, (165), 8 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 04:41:10,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:41:10,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-08 04:41:10,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:41:10,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:41:10,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-08 04:41:10,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 04:41:10,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-08 04:41:11,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 04:41:11,138 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 04:41:11,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 04:41:11,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1690901813, now seen corresponding path program 1 times [2024-05-08 04:41:11,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 04:41:11,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107837098] [2024-05-08 04:41:11,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 04:41:11,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 04:41:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 04:41:12,012 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-08 04:41:12,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 04:41:12,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107837098] [2024-05-08 04:41:12,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107837098] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 04:41:12,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290430261] [2024-05-08 04:41:12,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 04:41:12,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 04:41:12,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 04:41:12,016 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 04:41:12,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-08 04:41:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 04:41:12,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 52 conjunts are in the unsatisfiable core [2024-05-08 04:41:12,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 04:41:14,063 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 04:41:14,063 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 04:41:15,412 INFO L349 Elim1Store]: treesize reduction 5, result has 91.8 percent of original size [2024-05-08 04:41:15,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 75 [2024-05-08 04:41:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 04:41:16,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290430261] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 04:41:16,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 04:41:16,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 29, 25] total 64 [2024-05-08 04:41:16,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668145721] [2024-05-08 04:41:16,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 04:41:16,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-05-08 04:41:16,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 04:41:16,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-05-08 04:41:16,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=296, Invalid=3736, Unknown=0, NotChecked=0, Total=4032 [2024-05-08 04:41:16,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:41:16,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 04:41:16,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 8.34375) internal successors, (534), 64 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 04:41:16,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:41:16,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-08 04:41:16,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 04:41:16,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:41:23,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:41:23,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-08 04:41:23,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 04:41:23,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-08 04:41:23,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-08 04:41:23,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 04:41:23,295 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 04:41:23,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 04:41:23,295 INFO L85 PathProgramCache]: Analyzing trace with hash -363077576, now seen corresponding path program 2 times [2024-05-08 04:41:23,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 04:41:23,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242148328] [2024-05-08 04:41:23,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 04:41:23,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 04:41:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 04:41:25,093 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-08 04:41:25,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 04:41:25,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242148328] [2024-05-08 04:41:25,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242148328] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 04:41:25,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466694127] [2024-05-08 04:41:25,094 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-08 04:41:25,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 04:41:25,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 04:41:25,096 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 04:41:25,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-08 04:41:25,267 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-08 04:41:25,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 04:41:25,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 49 conjunts are in the unsatisfiable core [2024-05-08 04:41:25,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 04:41:26,782 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-08 04:41:26,783 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 04:41:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-08 04:41:34,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466694127] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 04:41:34,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 04:41:34,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28, 28] total 75 [2024-05-08 04:41:34,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453470973] [2024-05-08 04:41:34,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 04:41:34,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-05-08 04:41:34,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 04:41:34,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-05-08 04:41:34,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=779, Invalid=4771, Unknown=0, NotChecked=0, Total=5550 [2024-05-08 04:41:34,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:41:34,797 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 04:41:34,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 6.933333333333334) internal successors, (520), 75 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 04:41:34,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:41:34,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-08 04:41:34,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 04:41:34,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-08 04:41:34,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:41:41,843 WARN L293 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 98 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:42:18,441 WARN L293 SmtUtils]: Spent 17.17s on a formula simplification. DAG size of input: 94 DAG size of output: 85 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:42:19,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 04:42:40,859 WARN L293 SmtUtils]: Spent 13.17s on a formula simplification. DAG size of input: 81 DAG size of output: 72 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:43:21,257 WARN L293 SmtUtils]: Spent 26.04s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:44:04,850 WARN L293 SmtUtils]: Spent 23.11s on a formula simplification. DAG size of input: 86 DAG size of output: 77 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:44:56,396 WARN L293 SmtUtils]: Spent 30.65s on a formula simplification. DAG size of input: 89 DAG size of output: 80 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:45:00,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 04:45:03,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-05-08 04:45:34,280 WARN L293 SmtUtils]: Spent 14.50s on a formula simplification. DAG size of input: 93 DAG size of output: 84 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:45:56,348 WARN L293 SmtUtils]: Spent 9.48s on a formula simplification. DAG size of input: 80 DAG size of output: 71 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:46:19,992 WARN L293 SmtUtils]: Spent 10.24s on a formula simplification. DAG size of input: 76 DAG size of output: 67 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:46:21,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 04:46:44,823 WARN L293 SmtUtils]: Spent 8.80s on a formula simplification. DAG size of input: 81 DAG size of output: 72 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:47:11,044 WARN L293 SmtUtils]: Spent 12.88s on a formula simplification. DAG size of input: 91 DAG size of output: 83 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:47:32,144 WARN L293 SmtUtils]: Spent 10.30s on a formula simplification. DAG size of input: 78 DAG size of output: 70 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:47:53,791 WARN L293 SmtUtils]: Spent 10.59s on a formula simplification. DAG size of input: 74 DAG size of output: 66 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:48:14,762 WARN L293 SmtUtils]: Spent 8.37s on a formula simplification. DAG size of input: 84 DAG size of output: 76 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:48:32,417 WARN L293 SmtUtils]: Spent 7.78s on a formula simplification. DAG size of input: 79 DAG size of output: 71 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:48:58,552 WARN L293 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 110 DAG size of output: 95 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:49:16,870 WARN L293 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 97 DAG size of output: 82 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:49:29,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 04:49:56,966 WARN L293 SmtUtils]: Spent 8.46s on a formula simplification. DAG size of input: 86 DAG size of output: 70 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:50:25,341 WARN L293 SmtUtils]: Spent 8.59s on a formula simplification. DAG size of input: 99 DAG size of output: 83 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:50:32,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 04:50:37,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 04:51:02,077 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 4) 4294967296)) (.cse11 (mod (+ |c_thread2Thread1of1ForFork1_#t~post4#1| 3) 4294967296)) (.cse16 (mod (+ |c_thread2Thread1of1ForFork1_#t~post8#1| 1) 4294967296)) (.cse24 (mod (+ |c_thread1Thread1of1ForFork0_~i~0#1| 1) 4294967296)) (.cse10 (mod c_~n~0 4294967296)) (.cse18 (mod (+ 2 |c_thread2Thread1of1ForFork1_#t~post6#1|) 4294967296)) (.cse25 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 3) 4294967296)) (.cse8 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 6) 4294967296))) (let ((.cse7 (mod (+ 5 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296)) (.cse3 (mod (+ 3 |c_thread1Thread1of1ForFork0_~i~0#1|) 4294967296)) (.cse5 (+ (mod (+ 7 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296) 1)) (.cse4 (< 4294967293 .cse8)) (.cse6 (< .cse8 (+ .cse25 1))) (.cse13 (mod (+ 4294967295 c_~n~0) 4294967296)) (.cse1 (+ .cse18 1)) (.cse12 (mod (+ 4294967294 c_~n~0) 4294967296)) (.cse15 (< .cse24 .cse10)) (.cse17 (+ .cse16 1)) (.cse14 (+ .cse11 1)) (.cse2 (mod (+ 2 |c_thread1Thread1of1ForFork0_~i~0#1|) 4294967296)) (.cse21 (< 4294967293 .cse25)) (.cse22 (< .cse25 (+ (mod |c_thread2Thread1of1ForFork1_~i~1#1| 4294967296) 1))) (.cse23 (+ .cse9 1))) (and (let ((.cse0 (mod (+ 5 |c_thread2Thread1of1ForFork1_#t~post6#1|) 4294967296))) (or (< 4294967293 .cse0) (< .cse0 .cse1) (< .cse2 (+ (mod (+ |c_thread2Thread1of1ForFork1_#t~post6#1| 6) 4294967296) 1)))) (< .cse3 8) (or .cse4 (< .cse2 .cse5) .cse6) (or (< .cse7 (+ (mod (+ 2 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296) 1)) (< 4294967293 .cse7) (< .cse2 (+ .cse8 1))) (or (< 4294967293 .cse9) (< .cse9 (+ (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 1) 4294967296) 1)) (< .cse2 (+ .cse7 1))) (or (< .cse3 .cse5) .cse4 .cse6) (or (< .cse10 (+ (mod (+ |c_thread2Thread1of1ForFork1_#t~post4#1| 4) 4294967296) 1)) (< .cse11 .cse12) (< .cse13 .cse14) .cse15) (or (< .cse16 .cse12) (< .cse10 (+ (mod (+ 2 |c_thread2Thread1of1ForFork1_#t~post8#1|) 4294967296) 1)) (< .cse13 .cse17) .cse15) (or (< .cse13 .cse1) (< .cse10 (+ (mod (+ 3 |c_thread2Thread1of1ForFork1_#t~post6#1|) 4294967296) 1)) (< .cse18 .cse12) .cse15) (let ((.cse19 (mod (+ |c_thread2Thread1of1ForFork1_#t~post8#1| 4) 4294967296))) (or (< .cse19 .cse17) (< .cse2 (+ (mod (+ 5 |c_thread2Thread1of1ForFork1_#t~post8#1|) 4294967296) 1)) (< 4294967293 .cse19))) (< (mod |c_thread1Thread1of1ForFork0_~i~0#1| 4294967296) .cse10) (let ((.cse20 (mod (+ |c_thread2Thread1of1ForFork1_#t~post4#1| 6) 4294967296))) (or (< .cse2 (+ (mod (+ |c_thread2Thread1of1ForFork1_#t~post4#1| 7) 4294967296) 1)) (< 4294967293 .cse20) (< .cse20 .cse14))) (or .cse21 .cse22 (< .cse2 .cse23)) (or .cse21 .cse22 (< .cse24 .cse23))))) is different from false [2024-05-08 04:51:26,943 WARN L293 SmtUtils]: Spent 12.52s on a formula simplification. DAG size of input: 92 DAG size of output: 84 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:51:46,725 WARN L293 SmtUtils]: Spent 11.42s on a formula simplification. DAG size of input: 79 DAG size of output: 71 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:52:26,322 WARN L293 SmtUtils]: Spent 24.06s on a formula simplification. DAG size of input: 78 DAG size of output: 69 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 04:53:14,349 WARN L293 SmtUtils]: Spent 32.75s on a formula simplification. DAG size of input: 87 DAG size of output: 79 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2024-05-08 04:55:40,078 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-08 04:55:40,079 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-08 04:55:40,079 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-08 04:55:41,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-08 04:55:41,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-08 04:55:41,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-08 04:55:41,143 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while executing Executor. [2024-05-08 04:55:41,145 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-08 04:55:41,145 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-08 04:55:41,145 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-08 04:55:41,152 INFO L448 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-05-08 04:55:41,156 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-08 04:55:41,157 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-08 04:55:41,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.05 04:55:41 BasicIcfg [2024-05-08 04:55:41,158 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-08 04:55:41,159 INFO L158 Benchmark]: Toolchain (without parser) took 875759.64ms. Allocated memory was 159.4MB in the beginning and 626.0MB in the end (delta: 466.6MB). Free memory was 91.7MB in the beginning and 493.6MB in the end (delta: -401.9MB). Peak memory consumption was 65.2MB. Max. memory is 8.0GB. [2024-05-08 04:55:41,159 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 159.4MB. Free memory was 90.2MB in the beginning and 90.0MB in the end (delta: 127.7kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-08 04:55:41,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.83ms. Allocated memory is still 159.4MB. Free memory was 91.5MB in the beginning and 79.6MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-08 04:55:41,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.06ms. Allocated memory is still 159.4MB. Free memory was 79.6MB in the beginning and 77.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-08 04:55:41,159 INFO L158 Benchmark]: Boogie Preprocessor took 20.37ms. Allocated memory is still 159.4MB. Free memory was 77.5MB in the beginning and 75.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-08 04:55:41,159 INFO L158 Benchmark]: RCFGBuilder took 475.28ms. Allocated memory was 159.4MB in the beginning and 270.5MB in the end (delta: 111.1MB). Free memory was 75.8MB in the beginning and 235.1MB in the end (delta: -159.3MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. [2024-05-08 04:55:41,160 INFO L158 Benchmark]: TraceAbstraction took 875031.73ms. Allocated memory was 270.5MB in the beginning and 626.0MB in the end (delta: 355.5MB). Free memory was 234.1MB in the beginning and 493.6MB in the end (delta: -259.5MB). Peak memory consumption was 96.5MB. Max. memory is 8.0GB. [2024-05-08 04:55:41,161 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 159.4MB. Free memory was 90.2MB in the beginning and 90.0MB in the end (delta: 127.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 190.83ms. Allocated memory is still 159.4MB. Free memory was 91.5MB in the beginning and 79.6MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.06ms. Allocated memory is still 159.4MB. Free memory was 79.6MB in the beginning and 77.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.37ms. Allocated memory is still 159.4MB. Free memory was 77.5MB in the beginning and 75.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 475.28ms. Allocated memory was 159.4MB in the beginning and 270.5MB in the end (delta: 111.1MB). Free memory was 75.8MB in the beginning and 235.1MB in the end (delta: -159.3MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. * TraceAbstraction took 875031.73ms. Allocated memory was 270.5MB in the beginning and 626.0MB in the end (delta: 355.5MB). Free memory was 234.1MB in the beginning and 493.6MB in the end (delta: -259.5MB). Peak memory consumption was 96.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13033, independent: 11528, independent conditional: 8499, independent unconditional: 3029, dependent: 1505, dependent conditional: 1505, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11528, independent: 11528, independent conditional: 8499, independent unconditional: 3029, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11528, independent: 11528, independent conditional: 8499, independent unconditional: 3029, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11528, independent: 11528, independent conditional: 8499, independent unconditional: 3029, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11528, independent: 11528, independent conditional: 2359, independent unconditional: 9169, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11528, independent: 11528, independent conditional: 1741, independent unconditional: 9787, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11528, independent: 11528, independent conditional: 1741, independent unconditional: 9787, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1831, independent: 1831, independent conditional: 0, independent unconditional: 1831, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1831, independent: 1831, independent conditional: 0, independent unconditional: 1831, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11528, independent: 9697, independent conditional: 1741, independent unconditional: 7956, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1831, unknown conditional: 0, unknown unconditional: 1831] , Statistics on independence cache: Total cache size (in pairs): 1831, Positive cache size: 1831, Positive conditional cache size: 0, Positive unconditional cache size: 1831, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 618, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11528, independent: 11528, independent conditional: 2359, independent unconditional: 9169, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11528, independent: 11528, independent conditional: 1741, independent unconditional: 9787, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11528, independent: 11528, independent conditional: 1741, independent unconditional: 9787, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1831, independent: 1831, independent conditional: 0, independent unconditional: 1831, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1831, independent: 1831, independent conditional: 0, independent unconditional: 1831, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11528, independent: 9697, independent conditional: 1741, independent unconditional: 7956, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1831, unknown conditional: 0, unknown unconditional: 1831] , Statistics on independence cache: Total cache size (in pairs): 1831, Positive cache size: 1831, Positive conditional cache size: 0, Positive unconditional cache size: 1831, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 618 ], Independence queries for same thread: 1505 - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 284 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 874.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 854.3s, 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: 216, 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, 0.5s SatisfiabilityAnalysisTime, 18.8s InterpolantComputationTime, 1607 NumberOfCodeBlocks, 1607 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2153 ConstructedInterpolants, 71 QuantifiedInterpolants, 28679 SizeOfPredicates, 69 NumberOfNonLiveVariables, 1374 ConjunctsInSsa, 124 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 48/360 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, ConditionalCommutativityCheckTime: 0.1s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown [2024-05-08 04:55:41,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0