/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 20:45:49,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 20:45:49,519 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 20:45:49,523 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 20:45:49,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 20:45:49,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 20:45:49,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 20:45:49,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 20:45:49,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 20:45:49,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 20:45:49,548 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 20:45:49,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 20:45:49,553 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 20:45:49,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 20:45:49,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 20:45:49,558 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 20:45:49,559 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 20:45:49,560 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 20:45:49,560 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 20:45:49,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 20:45:49,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 20:45:49,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 20:45:49,561 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 20:45:49,561 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 20:45:49,561 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 20:45:49,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 20:45:49,562 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 20:45:49,562 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 20:45:49,562 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 20:45:49,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 20:45:49,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 20:45:49,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 20:45:49,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 20:45:49,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 20:45:49,565 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 20:45:49,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 20:45:49,565 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 20:45:49,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 20:45:49,585 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 20:45:49,586 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-04 20:45:49,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 20:45:49,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 20:45:49,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 20:45:49,873 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 20:45:49,874 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 20:45:49,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/unroll-2.wvr.c [2024-04-04 20:45:51,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 20:45:51,208 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 20:45:51,209 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-2.wvr.c [2024-04-04 20:45:51,216 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1fd5b1af4/5148cf66cd2f4a8baad158fa4e73bd24/FLAG9890b077f [2024-04-04 20:45:51,228 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1fd5b1af4/5148cf66cd2f4a8baad158fa4e73bd24 [2024-04-04 20:45:51,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 20:45:51,231 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 20:45:51,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 20:45:51,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 20:45:51,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 20:45:51,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:45:51" (1/1) ... [2024-04-04 20:45:51,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335958ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:45:51, skipping insertion in model container [2024-04-04 20:45:51,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:45:51" (1/1) ... [2024-04-04 20:45:51,261 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 20:45:51,411 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-2.wvr.c[2428,2441] [2024-04-04 20:45:51,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 20:45:51,427 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 20:45:51,447 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-2.wvr.c[2428,2441] [2024-04-04 20:45:51,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 20:45:51,464 INFO L206 MainTranslator]: Completed translation [2024-04-04 20:45:51,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:45:51 WrapperNode [2024-04-04 20:45:51,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 20:45:51,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 20:45:51,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 20:45:51,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 20:45:51,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:45:51" (1/1) ... [2024-04-04 20:45:51,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:45:51" (1/1) ... [2024-04-04 20:45:51,511 INFO L138 Inliner]: procedures = 24, calls = 32, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 137 [2024-04-04 20:45:51,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 20:45:51,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 20:45:51,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 20:45:51,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 20:45:51,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:45:51" (1/1) ... [2024-04-04 20:45:51,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:45:51" (1/1) ... [2024-04-04 20:45:51,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:45:51" (1/1) ... [2024-04-04 20:45:51,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:45:51" (1/1) ... [2024-04-04 20:45:51,558 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:45:51" (1/1) ... [2024-04-04 20:45:51,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:45:51" (1/1) ... [2024-04-04 20:45:51,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:45:51" (1/1) ... [2024-04-04 20:45:51,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:45:51" (1/1) ... [2024-04-04 20:45:51,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 20:45:51,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 20:45:51,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 20:45:51,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 20:45:51,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:45:51" (1/1) ... [2024-04-04 20:45:51,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 20:45:51,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:45:51,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-04 20:45:51,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-04 20:45:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 20:45:51,667 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 20:45:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 20:45:51,667 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 20:45:51,668 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 20:45:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 20:45:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 20:45:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 20:45:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 20:45:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 20:45:51,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 20:45:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 20:45:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 20:45:51,671 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 20:45:51,804 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 20:45:51,807 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 20:45:52,073 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 20:45:52,084 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 20:45:52,085 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-04 20:45:52,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:45:52 BoogieIcfgContainer [2024-04-04 20:45:52,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 20:45:52,088 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 20:45:52,089 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 20:45:52,091 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 20:45:52,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 08:45:51" (1/3) ... [2024-04-04 20:45:52,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@192ef26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:45:52, skipping insertion in model container [2024-04-04 20:45:52,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:45:51" (2/3) ... [2024-04-04 20:45:52,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@192ef26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:45:52, skipping insertion in model container [2024-04-04 20:45:52,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:45:52" (3/3) ... [2024-04-04 20:45:52,098 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.c [2024-04-04 20:45:52,106 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 20:45:52,115 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 20:45:52,115 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 20:45:52,115 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 20:45:52,190 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-04 20:45:52,230 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 20:45:52,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 20:45:52,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:45:52,233 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 20:45:52,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-04 20:45:52,267 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 20:45:52,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:45:52,279 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 20:45:52,292 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;@278cb327, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213 [2024-04-04 20:45:52,292 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-04 20:45:52,475 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 20:45:52,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:45:52,477 INFO L85 PathProgramCache]: Analyzing trace with hash -713008577, now seen corresponding path program 1 times [2024-04-04 20:45:52,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:45:52,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760437777] [2024-04-04 20:45:52,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:45:52,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:45:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:45:52,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 20:45:52,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:45:52,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760437777] [2024-04-04 20:45:52,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760437777] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:45:52,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 20:45:52,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 20:45:52,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558342901] [2024-04-04 20:45:52,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:45:52,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 20:45:52,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:45:52,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 20:45:52,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 20:45:52,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:45:52,935 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:45:52,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 20:45:52,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:45:53,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:45:53,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 20:45:53,042 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 20:45:53,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:45:53,044 INFO L85 PathProgramCache]: Analyzing trace with hash -423421568, now seen corresponding path program 1 times [2024-04-04 20:45:53,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:45:53,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643518254] [2024-04-04 20:45:53,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:45:53,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:45:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:45:53,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:45:53,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:45:53,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643518254] [2024-04-04 20:45:53,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643518254] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:45:53,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 20:45:53,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 20:45:53,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136522604] [2024-04-04 20:45:53,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:45:53,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 20:45:53,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:45:53,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 20:45:53,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-04-04 20:45:53,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:45:53,677 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:45:53,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 20:45:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:45:53,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:45:53,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:45:53,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 20:45:53,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 20:45:53,793 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 20:45:53,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:45:53,795 INFO L85 PathProgramCache]: Analyzing trace with hash -510566555, now seen corresponding path program 1 times [2024-04-04 20:45:53,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:45:53,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405438634] [2024-04-04 20:45:53,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:45:53,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:45:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:45:54,189 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-04 20:45:54,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:45:54,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405438634] [2024-04-04 20:45:54,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405438634] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:45:54,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 20:45:54,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-04 20:45:54,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571878050] [2024-04-04 20:45:54,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:45:54,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-04 20:45:54,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:45:54,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-04 20:45:54,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-04-04 20:45:54,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:45:54,260 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:45:54,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 20:45:54,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:45:54,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 20:45:54,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:45:54,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:45:54,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 20:45:54,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 20:45:54,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-04 20:45:54,382 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 20:45:54,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:45:54,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1786374414, now seen corresponding path program 1 times [2024-04-04 20:45:54,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:45:54,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368440723] [2024-04-04 20:45:54,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:45:54,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:45:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:45:56,087 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:45:56,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:45:56,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368440723] [2024-04-04 20:45:56,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368440723] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:45:56,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500523133] [2024-04-04 20:45:56,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:45:56,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:45:56,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:45:56,126 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 20:45:56,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 20:45:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:45:56,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 47 conjunts are in the unsatisfiable core [2024-04-04 20:45:56,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:45:57,640 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:45:57,640 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:45:58,317 INFO L349 Elim1Store]: treesize reduction 10, result has 84.6 percent of original size [2024-04-04 20:45:58,318 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 6 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 82 [2024-04-04 20:45:59,184 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:45:59,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500523133] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:45:59,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:45:59,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27, 22] total 53 [2024-04-04 20:45:59,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461932941] [2024-04-04 20:45:59,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:45:59,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-04-04 20:45:59,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:45:59,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-04-04 20:45:59,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=2396, Unknown=0, NotChecked=0, Total=2756 [2024-04-04 20:45:59,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:45:59,274 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:45:59,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 6.113207547169812) internal successors, (324), 53 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 20:45:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:45:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 20:45:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 20:45:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:46:01,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:46:01,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 20:46:01,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 20:46:01,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 20:46:01,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-04 20:46:01,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:46:01,232 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 20:46:01,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:46:01,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1380064860, now seen corresponding path program 2 times [2024-04-04 20:46:01,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:46:01,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306224365] [2024-04-04 20:46:01,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:46:01,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:46:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:46:02,212 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 20:46:02,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:46:02,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306224365] [2024-04-04 20:46:02,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306224365] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:46:02,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321082767] [2024-04-04 20:46:02,213 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 20:46:02,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:46:02,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:46:02,215 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 20:46:02,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 20:46:02,529 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 20:46:02,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:46:02,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 27 conjunts are in the unsatisfiable core [2024-04-04 20:46:02,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:46:03,312 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 20:46:03,313 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:46:04,328 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 20:46:04,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321082767] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:46:04,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:46:04,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 42 [2024-04-04 20:46:04,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840050715] [2024-04-04 20:46:04,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:46:04,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-04-04 20:46:04,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:46:04,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-04-04 20:46:04,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1559, Unknown=0, NotChecked=0, Total=1722 [2024-04-04 20:46:04,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:46:04,441 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:46:04,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 9.261904761904763) internal successors, (389), 42 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 20:46:04,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:46:04,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 20:46:04,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 20:46:04,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 20:46:04,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:46:09,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:46:09,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 20:46:09,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 20:46:09,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 20:46:09,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-04-04 20:46:09,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 20:46:09,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:46:09,740 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 20:46:09,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:46:09,741 INFO L85 PathProgramCache]: Analyzing trace with hash -453621307, now seen corresponding path program 3 times [2024-04-04 20:46:09,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:46:09,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968146032] [2024-04-04 20:46:09,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:46:09,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:46:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:46:11,876 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 6 proven. 576 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 20:46:11,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:46:11,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968146032] [2024-04-04 20:46:11,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968146032] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:46:11,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195498774] [2024-04-04 20:46:11,877 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 20:46:11,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:46:11,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:46:11,885 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 20:46:11,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 20:46:12,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-04 20:46:12,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:46:12,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 54 conjunts are in the unsatisfiable core [2024-04-04 20:46:12,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:46:13,299 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 6 proven. 576 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 20:46:13,299 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:46:15,693 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 6 proven. 576 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 20:46:15,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195498774] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:46:15,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:46:15,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 29, 29] total 70 [2024-04-04 20:46:15,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081124802] [2024-04-04 20:46:15,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:46:15,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-04-04 20:46:15,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:46:15,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-04-04 20:46:15,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=350, Invalid=4480, Unknown=0, NotChecked=0, Total=4830 [2024-04-04 20:46:15,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:46:15,846 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:46:15,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 9.614285714285714) internal successors, (673), 70 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 20:46:15,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:46:15,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 20:46:15,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 20:46:15,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 20:46:15,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-04-04 20:46:15,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:47:48,142 WARN L293 SmtUtils]: Spent 24.35s on a formula simplification. DAG size of input: 78 DAG size of output: 63 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 20:47:50,148 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 [] [2024-04-04 20:47:52,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:48:57,814 WARN L293 SmtUtils]: Spent 20.27s on a formula simplification. DAG size of input: 65 DAG size of output: 54 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 20:49:00,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:49:02,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:49:04,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:49:07,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:49:09,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:50:28,056 WARN L293 SmtUtils]: Spent 24.85s on a formula simplification. DAG size of input: 78 DAG size of output: 66 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 20:50:30,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:50:31,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:50:34,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:50:37,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:50:40,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:50:43,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:50:45,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:50:46,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:51:51,574 WARN L293 SmtUtils]: Spent 17.82s on a formula simplification. DAG size of input: 75 DAG size of output: 55 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 20:52:39,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:53:26,797 WARN L293 SmtUtils]: Spent 10.80s on a formula simplification. DAG size of input: 71 DAG size of output: 52 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 20:55:10,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:55:39,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:56:37,921 WARN L293 SmtUtils]: Spent 14.90s on a formula simplification. DAG size of input: 68 DAG size of output: 58 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 20:57:13,690 WARN L293 SmtUtils]: Spent 6.62s on a formula simplification. DAG size of input: 54 DAG size of output: 44 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 20:58:03,411 WARN L293 SmtUtils]: Spent 14.07s on a formula simplification. DAG size of input: 67 DAG size of output: 54 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 20:58:05,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:58:09,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:58:52,657 WARN L293 SmtUtils]: Spent 17.03s on a formula simplification. DAG size of input: 70 DAG size of output: 53 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 20:59:26,550 WARN L293 SmtUtils]: Spent 6.00s on a formula simplification. DAG size of input: 57 DAG size of output: 40 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 21:00:12,213 WARN L293 SmtUtils]: Spent 10.82s on a formula simplification. DAG size of input: 66 DAG size of output: 47 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2024-04-04 21:00:16,210 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 [2024-04-04 21:00:16,211 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 [2024-04-04 21:00:16,211 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 21:00:16,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 21:00:16,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:00:16,460 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 153 known predicates. [2024-04-04 21:00:16,462 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-04 21:00:16,462 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-04 21:00:16,462 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-04 21:00:16,465 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2024-04-04 21:00:16,468 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 21:00:16,468 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 21:00:16,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 09:00:16 BasicIcfg [2024-04-04 21:00:16,470 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 21:00:16,476 INFO L158 Benchmark]: Toolchain (without parser) took 865239.01ms. Allocated memory was 312.5MB in the beginning and 759.2MB in the end (delta: 446.7MB). Free memory was 243.9MB in the beginning and 611.9MB in the end (delta: -368.0MB). Peak memory consumption was 79.6MB. Max. memory is 8.0GB. [2024-04-04 21:00:16,476 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 169.9MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 21:00:16,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.24ms. Allocated memory is still 312.5MB. Free memory was 243.7MB in the beginning and 232.2MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-04 21:00:16,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.42ms. Allocated memory is still 312.5MB. Free memory was 232.1MB in the beginning and 283.0MB in the end (delta: -51.0MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. [2024-04-04 21:00:16,476 INFO L158 Benchmark]: Boogie Preprocessor took 54.72ms. Allocated memory is still 312.5MB. Free memory was 283.0MB in the beginning and 280.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 21:00:16,476 INFO L158 Benchmark]: RCFGBuilder took 519.13ms. Allocated memory is still 312.5MB. Free memory was 280.9MB in the beginning and 263.6MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-04-04 21:00:16,477 INFO L158 Benchmark]: TraceAbstraction took 864381.56ms. Allocated memory was 312.5MB in the beginning and 759.2MB in the end (delta: 446.7MB). Free memory was 262.6MB in the beginning and 611.9MB in the end (delta: -349.3MB). Peak memory consumption was 98.9MB. Max. memory is 8.0GB. [2024-04-04 21:00:16,478 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 169.9MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 232.24ms. Allocated memory is still 312.5MB. Free memory was 243.7MB in the beginning and 232.2MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.42ms. Allocated memory is still 312.5MB. Free memory was 232.1MB in the beginning and 283.0MB in the end (delta: -51.0MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.72ms. Allocated memory is still 312.5MB. Free memory was 283.0MB in the beginning and 280.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 519.13ms. Allocated memory is still 312.5MB. Free memory was 280.9MB in the beginning and 263.6MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 864381.56ms. Allocated memory was 312.5MB in the beginning and 759.2MB in the end (delta: 446.7MB). Free memory was 262.6MB in the beginning and 611.9MB in the end (delta: -349.3MB). Peak memory consumption was 98.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8317, independent: 6609, independent conditional: 6606, independent unconditional: 3, dependent: 1708, dependent conditional: 1690, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6609, independent: 6609, independent conditional: 6606, independent unconditional: 3, 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: 6609, independent: 6609, independent conditional: 6606, independent unconditional: 3, 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: 6609, independent: 6609, independent conditional: 6606, independent unconditional: 3, 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: 6609, independent: 6609, independent conditional: 1163, independent unconditional: 5446, 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: 6609, independent: 6609, independent conditional: 1042, independent unconditional: 5567, 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: 6609, independent: 6609, independent conditional: 1042, independent unconditional: 5567, 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: 1151, independent: 1151, independent conditional: 35, independent unconditional: 1116, 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: 1151, independent: 1151, independent conditional: 0, independent unconditional: 1151, 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: 6609, independent: 5458, independent conditional: 1007, independent unconditional: 4451, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1151, unknown conditional: 35, unknown unconditional: 1116] , Statistics on independence cache: Total cache size (in pairs): 1151, Positive cache size: 1151, Positive conditional cache size: 35, Positive unconditional cache size: 1116, 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: 121, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6609, independent: 6609, independent conditional: 1163, independent unconditional: 5446, 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: 6609, independent: 6609, independent conditional: 1042, independent unconditional: 5567, 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: 6609, independent: 6609, independent conditional: 1042, independent unconditional: 5567, 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: 1151, independent: 1151, independent conditional: 35, independent unconditional: 1116, 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: 1151, independent: 1151, independent conditional: 0, independent unconditional: 1151, 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: 6609, independent: 5458, independent conditional: 1007, independent unconditional: 4451, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1151, unknown conditional: 35, unknown unconditional: 1116] , Statistics on independence cache: Total cache size (in pairs): 1151, Positive cache size: 1151, Positive conditional cache size: 35, Positive unconditional cache size: 1116, 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: 121 ], Independence queries for same thread: 1708 - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 153 known predicates. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 153 known predicates. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 153 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 209 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 864.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 847.8s, 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: 231, 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, 1.2s SatisfiabilityAnalysisTime, 13.4s InterpolantComputationTime, 1754 NumberOfCodeBlocks, 1754 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2435 ConstructedInterpolants, 0 QuantifiedInterpolants, 20094 SizeOfPredicates, 67 NumberOfNonLiveVariables, 1242 ConjunctsInSsa, 128 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 97/2082 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