/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 DFS --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --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/mult-dist.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 05:49:41,979 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 05:49:42,044 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 05:49:42,049 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 05:49:42,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 05:49:42,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 05:49:42,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 05:49:42,071 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 05:49:42,072 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 05:49:42,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 05:49:42,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 05:49:42,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 05:49:42,075 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 05:49:42,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 05:49:42,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 05:49:42,077 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 05:49:42,077 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 05:49:42,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 05:49:42,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 05:49:42,078 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 05:49:42,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 05:49:42,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 05:49:42,079 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 05:49:42,079 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 05:49:42,079 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 05:49:42,080 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 05:49:42,080 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 05:49:42,080 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 05:49:42,080 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 05:49:42,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 05:49:42,081 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 05:49:42,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 05:49:42,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 05:49:42,082 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 05:49:42,082 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 05:49:42,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 05:49:42,082 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 05:49:42,082 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 05:49:42,082 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 05:49:42,082 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 05:49:42,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 05:49:42,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 05:49:42,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 05:49:42,308 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 05:49:42,309 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 05:49:42,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/mult-dist.wvr.c [2024-05-07 05:49:43,297 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 05:49:43,452 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 05:49:43,452 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-dist.wvr.c [2024-05-07 05:49:43,459 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a90de788d/b8968d5035a746ddb6335f6f482815fc/FLAG00a873a8f [2024-05-07 05:49:43,470 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a90de788d/b8968d5035a746ddb6335f6f482815fc [2024-05-07 05:49:43,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 05:49:43,473 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 05:49:43,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 05:49:43,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 05:49:43,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 05:49:43,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 05:49:43" (1/1) ... [2024-05-07 05:49:43,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f8a680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:43, skipping insertion in model container [2024-05-07 05:49:43,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 05:49:43" (1/1) ... [2024-05-07 05:49:43,499 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 05:49:43,620 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/mult-dist.wvr.c[2116,2129] [2024-05-07 05:49:43,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 05:49:43,629 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 05:49:43,644 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/mult-dist.wvr.c[2116,2129] [2024-05-07 05:49:43,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 05:49:43,656 INFO L206 MainTranslator]: Completed translation [2024-05-07 05:49:43,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:43 WrapperNode [2024-05-07 05:49:43,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 05:49:43,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 05:49:43,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 05:49:43,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 05:49:43,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:43" (1/1) ... [2024-05-07 05:49:43,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:43" (1/1) ... [2024-05-07 05:49:43,683 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-05-07 05:49:43,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 05:49:43,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 05:49:43,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 05:49:43,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 05:49:43,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:43" (1/1) ... [2024-05-07 05:49:43,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:43" (1/1) ... [2024-05-07 05:49:43,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:43" (1/1) ... [2024-05-07 05:49:43,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:43" (1/1) ... [2024-05-07 05:49:43,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:43" (1/1) ... [2024-05-07 05:49:43,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:43" (1/1) ... [2024-05-07 05:49:43,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:43" (1/1) ... [2024-05-07 05:49:43,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:43" (1/1) ... [2024-05-07 05:49:43,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 05:49:43,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 05:49:43,713 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 05:49:43,713 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 05:49:43,714 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:43" (1/1) ... [2024-05-07 05:49:43,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 05:49:43,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 05:49:43,746 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) [2024-05-07 05:49:43,762 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 [2024-05-07 05:49:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 05:49:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-07 05:49:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-07 05:49:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-07 05:49:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-07 05:49:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-07 05:49:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-07 05:49:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 05:49:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 05:49:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 05:49:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 05:49:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 05:49:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 05:49:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 05:49:43,819 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 05:49:43,919 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 05:49:43,920 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 05:49:44,080 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 05:49:44,088 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 05:49:44,088 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-07 05:49:44,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:49:44 BoogieIcfgContainer [2024-05-07 05:49:44,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 05:49:44,091 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 05:49:44,091 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 05:49:44,093 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 05:49:44,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 05:49:43" (1/3) ... [2024-05-07 05:49:44,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f168114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:49:44, skipping insertion in model container [2024-05-07 05:49:44,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:43" (2/3) ... [2024-05-07 05:49:44,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f168114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:49:44, skipping insertion in model container [2024-05-07 05:49:44,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:49:44" (3/3) ... [2024-05-07 05:49:44,097 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-dist.wvr.c [2024-05-07 05:49:44,102 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 05:49:44,109 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 05:49:44,110 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 05:49:44,110 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 05:49:44,159 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-07 05:49:44,188 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 05:49:44,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 05:49:44,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 05:49:44,189 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) [2024-05-07 05:49:44,190 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 [2024-05-07 05:49:44,214 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 05:49:44,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 05:49:44,230 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 05:49:44,236 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;@cc78164, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-07 05:49:44,237 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-07 05:49:44,484 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 05:49:44,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 05:49:44,486 INFO L85 PathProgramCache]: Analyzing trace with hash -445322638, now seen corresponding path program 1 times [2024-05-07 05:49:44,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 05:49:44,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858806044] [2024-05-07 05:49:44,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 05:49:44,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 05:49:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 05:49:44,786 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-07 05:49:44,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 05:49:44,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858806044] [2024-05-07 05:49:44,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858806044] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 05:49:44,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 05:49:44,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-07 05:49:44,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92172651] [2024-05-07 05:49:44,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 05:49:44,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-07 05:49:44,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 05:49:44,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 05:49:44,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-07 05:49:44,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 05:49:44,862 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 05:49:44,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 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) [2024-05-07 05:49:44,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 05:49:44,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 05:49:44,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-07 05:49:44,973 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 05:49:44,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 05:49:44,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1122714043, now seen corresponding path program 1 times [2024-05-07 05:49:44,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 05:49:44,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630959801] [2024-05-07 05:49:44,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 05:49:44,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 05:49:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 05:49:45,936 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 05:49:45,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 05:49:45,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630959801] [2024-05-07 05:49:45,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630959801] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 05:49:45,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242710457] [2024-05-07 05:49:45,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 05:49:45,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 05:49:45,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 05:49:45,986 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) [2024-05-07 05:49:46,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-07 05:49:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 05:49:46,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-07 05:49:46,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 05:49:46,513 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 05:49:46,513 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 05:49:47,087 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 05:49:47,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242710457] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 05:49:47,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 05:49:47,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 35 [2024-05-07 05:49:47,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367965325] [2024-05-07 05:49:47,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 05:49:47,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-05-07 05:49:47,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 05:49:47,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-05-07 05:49:47,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=1051, Unknown=0, NotChecked=0, Total=1190 [2024-05-07 05:49:47,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 05:49:47,091 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 05:49:47,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.371428571428571) internal successors, (153), 35 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 05:49:47,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 05:49:47,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 05:49:48,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 05:49:48,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-07 05:49:48,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-07 05:49:49,072 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 [2024-05-07 05:49:49,073 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 05:49:49,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 05:49:49,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1115789919, now seen corresponding path program 1 times [2024-05-07 05:49:49,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 05:49:49,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034043449] [2024-05-07 05:49:49,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 05:49:49,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 05:49:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 05:49:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 05:49:50,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 05:49:50,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034043449] [2024-05-07 05:49:50,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034043449] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 05:49:50,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935015661] [2024-05-07 05:49:50,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 05:49:50,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 05:49:50,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 05:49:50,340 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) [2024-05-07 05:49:50,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-07 05:49:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 05:49:50,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 40 conjunts are in the unsatisfiable core [2024-05-07 05:49:50,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 05:49:52,264 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 05:49:52,265 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 05:49:58,586 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 05:49:58,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935015661] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 05:49:58,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 05:49:58,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23, 24] total 60 [2024-05-07 05:49:58,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434340845] [2024-05-07 05:49:58,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 05:49:58,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-05-07 05:49:58,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 05:49:58,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-05-07 05:49:58,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=371, Invalid=3169, Unknown=0, NotChecked=0, Total=3540 [2024-05-07 05:49:58,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 05:49:58,590 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 05:49:58,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 3.4833333333333334) internal successors, (209), 60 states have internal predecessors, (209), 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) [2024-05-07 05:49:58,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 05:49:58,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-07 05:49:58,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 05:50:20,532 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 [] [2024-05-07 05:50:36,747 WARN L293 SmtUtils]: Spent 6.50s on a formula simplification. DAG size of input: 112 DAG size of output: 106 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 05:50:53,752 WARN L293 SmtUtils]: Spent 7.86s on a formula simplification. DAG size of input: 122 DAG size of output: 118 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 05:51:11,834 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 116 DAG size of output: 111 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 05:51:40,453 WARN L293 SmtUtils]: Spent 6.41s on a formula simplification. DAG size of input: 117 DAG size of output: 113 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 05:52:34,607 WARN L293 SmtUtils]: Spent 6.80s on a formula simplification. DAG size of input: 122 DAG size of output: 117 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 05:52:57,716 WARN L293 SmtUtils]: Spent 7.51s on a formula simplification. DAG size of input: 127 DAG size of output: 122 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 05:53:17,542 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification. DAG size of input: 124 DAG size of output: 119 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 05:54:13,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 05:54:13,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-07 05:54:13,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2024-05-07 05:54:13,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-07 05:54:13,420 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 [2024-05-07 05:54:13,421 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 05:54:13,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 05:54:13,421 INFO L85 PathProgramCache]: Analyzing trace with hash -176537540, now seen corresponding path program 2 times [2024-05-07 05:54:13,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 05:54:13,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979799189] [2024-05-07 05:54:13,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 05:54:13,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 05:54:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 05:54:15,635 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 6 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 05:54:15,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 05:54:15,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979799189] [2024-05-07 05:54:15,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979799189] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 05:54:15,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373108078] [2024-05-07 05:54:15,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 05:54:15,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 05:54:15,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 05:54:15,646 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) [2024-05-07 05:54:15,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-07 05:54:15,776 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 05:54:15,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 05:54:15,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 74 conjunts are in the unsatisfiable core [2024-05-07 05:54:15,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 05:54:17,873 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 6 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 05:54:17,873 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 05:54:25,003 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 6 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 05:54:25,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373108078] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 05:54:25,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 05:54:25,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 39] total 110 [2024-05-07 05:54:25,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564119990] [2024-05-07 05:54:25,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 05:54:25,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2024-05-07 05:54:25,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 05:54:25,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2024-05-07 05:54:25,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=696, Invalid=11294, Unknown=0, NotChecked=0, Total=11990 [2024-05-07 05:54:25,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 05:54:25,007 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 05:54:25,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 3.1272727272727274) internal successors, (344), 110 states have internal predecessors, (344), 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) [2024-05-07 05:54:25,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 05:54:25,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-07 05:54:25,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2024-05-07 05:54:25,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 05:54:53,112 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (mod (+ c_thread3Thread1of1ForFork1_~i~2 4) 4294967296)) (.cse3 (mod (+ 2 c_thread3Thread1of1ForFork1_~i~2) 4294967296)) (.cse23 (mod (+ 3 c_thread3Thread1of1ForFork1_~i~2) 4294967296)) (.cse29 (mod (+ c_thread3Thread1of1ForFork1_~i~2 1) 4294967296)) (.cse12 (mod c_~a~0 4294967296))) (let ((.cse32 (< .cse12 (+ 2 (mod c_thread3Thread1of1ForFork1_~i~2 4294967296)))) (.cse31 (+ 4294967295 .cse29)) (.cse5 (mod (+ c_thread2Thread1of1ForFork0_~i~1 1) 4294967296)) (.cse4 (mod c_thread1Thread1of1ForFork2_~i~0 4294967296)) (.cse20 (mod (+ c_thread1Thread1of1ForFork2_~i~0 1) 4294967296)) (.cse36 (+ 2 .cse29)) (.cse21 (mod (+ c_thread1Thread1of1ForFork2_~i~0 3) 4294967296)) (.cse35 (+ .cse23 2)) (.cse2 (mod (+ c_thread1Thread1of1ForFork2_~i~0 2) 4294967296)) (.cse7 (+ .cse3 2)) (.cse17 (+ .cse0 2)) (.cse24 (mod (+ 5 c_thread3Thread1of1ForFork1_~i~2) 4294967296))) (let ((.cse14 (+ .cse24 4294967294)) (.cse22 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 4) 4294967296) .cse17)) (.cse18 (< .cse2 .cse7)) (.cse8 (+ .cse23 4294967294)) (.cse25 (< .cse21 .cse35)) (.cse16 (mod (+ c_thread2Thread1of1ForFork0_~i~1 5) 4294967296)) (.cse27 (< .cse20 .cse36)) (.cse26 (+ .cse0 4294967294)) (.cse1 (mod (+ c_thread2Thread1of1ForFork0_~i~1 4) 4294967296)) (.cse6 (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 3) 4294967296)) (.cse15 (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 4) 4294967296)) (.cse9 (mod (+ c_thread2Thread1of1ForFork0_~i~1 3) 4294967296)) (.cse10 (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 2) 4294967296)) (.cse28 (+ .cse3 4294967294)) (.cse11 (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 1) 4294967296)) (.cse19 (mod (+ c_thread2Thread1of1ForFork0_~i~1 2) 4294967296)) (.cse33 (< .cse4 .cse12)) (.cse13 (let ((.cse37 (+ .cse12 .cse5))) (and (or .cse32 (< .cse31 .cse37)) (<= .cse29 .cse37))))) (and (<= .cse0 (+ .cse1 .cse2 1)) (<= .cse3 (+ .cse4 .cse5 1)) (or (< .cse6 .cse7) (< .cse8 (+ .cse9 .cse10))) (or (< .cse11 .cse12) .cse13) (or (< .cse14 (+ .cse15 .cse16)) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 5) 4294967296) .cse17)) (or .cse18 (< .cse8 (+ .cse19 .cse20))) (or (< .cse14 (+ .cse1 .cse21)) .cse22) (<= .cse23 (+ .cse9 .cse20 1)) (or (< .cse14 (+ .cse16 .cse21)) .cse22) (or .cse18 (< .cse8 (+ .cse9 .cse20))) (<= .cse3 (+ .cse19 .cse4 1)) (<= .cse23 (+ .cse19 .cse20 1)) (<= .cse24 (+ .cse16 1 .cse21)) (or .cse25 (< .cse26 (+ .cse1 .cse2))) (or .cse27 (< .cse28 (+ .cse4 .cse5))) (<= .cse3 (+ .cse11 .cse19 1)) (or .cse25 (< .cse26 (+ .cse9 .cse2))) (<= .cse24 (+ .cse1 1 .cse21)) (<= .cse24 (+ .cse15 .cse16 1)) (or (let ((.cse30 (+ .cse12 (mod (+ |c_thread2Thread1of1ForFork0_#t~post2| 1) 4294967296)))) (and (<= .cse29 .cse30) (or (< .cse31 .cse30) .cse32))) .cse33) (<= .cse0 (+ .cse1 .cse6 1)) (or (let ((.cse34 (+ (mod c_thread2Thread1of1ForFork0_~i~1 4294967296) .cse12))) (and (or (< .cse31 .cse34) .cse32) (<= .cse29 .cse34))) .cse33) (or .cse27 (< .cse28 (+ .cse19 .cse4))) (<= .cse23 (+ .cse9 .cse10 1)) (or (< .cse26 (+ .cse1 .cse6)) (< .cse15 .cse35)) (<= .cse0 (+ .cse9 .cse2 1)) (or (< .cse10 .cse36) (< .cse28 (+ .cse11 .cse19))) (or .cse33 .cse13))))) is different from false [2024-05-07 05:56:11,270 WARN L293 SmtUtils]: Spent 20.94s on a formula simplification that was a NOOP. DAG size: 86 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 05:57:11,122 WARN L293 SmtUtils]: Spent 13.69s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 05:57:13,127 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 [] [2024-05-07 05:57:15,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 05:57:17,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 05:57:18,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 05:57:20,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 05:57:22,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 05:57:24,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 05:57:26,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 05:59:19,933 WARN L293 SmtUtils]: Spent 48.14s on a formula simplification that was a NOOP. DAG size: 102 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 05:59:21,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 05:59:23,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 05:59:25,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 06:01:38,025 WARN L293 SmtUtils]: Spent 1.28m on a formula simplification. DAG size of input: 117 DAG size of output: 115 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 06:01:40,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 06:01:42,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 06:01:44,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 06:04:13,934 WARN L293 SmtUtils]: Spent 1.03m on a formula simplification. DAG size of input: 93 DAG size of output: 93 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 06:04:15,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2024-05-07 06:04:16,881 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 [2024-05-07 06:04:16,888 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 [2024-05-07 06:04:16,923 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 [2024-05-07 06:04:17,897 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 [2024-05-07 06:04:17,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-07 06:04:17,941 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 [] [2024-05-07 06:04:17,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-07 06:04:17,942 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2024-05-07 06:04:17,944 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-07 06:04:17,944 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-07 06:04:17,944 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-07 06:04:17,945 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-07 06:04:17,947 INFO L448 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-05-07 06:04:17,949 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 06:04:17,949 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 06:04:17,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 06:04:17 BasicIcfg [2024-05-07 06:04:17,958 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 06:04:17,959 INFO L158 Benchmark]: Toolchain (without parser) took 874485.81ms. Allocated memory was 240.1MB in the beginning and 652.2MB in the end (delta: 412.1MB). Free memory was 170.1MB in the beginning and 218.8MB in the end (delta: -48.7MB). Peak memory consumption was 363.0MB. Max. memory is 8.0GB. [2024-05-07 06:04:17,959 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 165.7MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 06:04:17,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.43ms. Allocated memory is still 240.1MB. Free memory was 169.9MB in the beginning and 158.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-05-07 06:04:17,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.29ms. Allocated memory is still 240.1MB. Free memory was 158.7MB in the beginning and 157.0MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 06:04:17,962 INFO L158 Benchmark]: Boogie Preprocessor took 20.68ms. Allocated memory is still 240.1MB. Free memory was 157.0MB in the beginning and 155.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 06:04:17,962 INFO L158 Benchmark]: RCFGBuilder took 376.33ms. Allocated memory is still 240.1MB. Free memory was 155.5MB in the beginning and 198.0MB in the end (delta: -42.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2024-05-07 06:04:17,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2024-05-07 06:04:17,970 INFO L158 Benchmark]: TraceAbstraction took 873867.83ms. Allocated memory was 240.1MB in the beginning and 652.2MB in the end (delta: 412.1MB). Free memory was 197.0MB in the beginning and 218.8MB in the end (delta: -21.8MB). Peak memory consumption was 390.3MB. Max. memory is 8.0GB. [2024-05-07 06:04:17,971 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 165.7MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 183.43ms. Allocated memory is still 240.1MB. Free memory was 169.9MB in the beginning and 158.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.29ms. Allocated memory is still 240.1MB. Free memory was 158.7MB in the beginning and 157.0MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.68ms. Allocated memory is still 240.1MB. Free memory was 157.0MB in the beginning and 155.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 376.33ms. Allocated memory is still 240.1MB. Free memory was 155.5MB in the beginning and 198.0MB in the end (delta: -42.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 873867.83ms. Allocated memory was 240.1MB in the beginning and 652.2MB in the end (delta: 412.1MB). Free memory was 197.0MB in the beginning and 218.8MB in the end (delta: -21.8MB). Peak memory consumption was 390.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21532, independent: 19816, independent conditional: 13677, independent unconditional: 6139, dependent: 1716, dependent conditional: 1716, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19816, independent: 19816, independent conditional: 13677, independent unconditional: 6139, 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: 19816, independent: 19816, independent conditional: 13677, independent unconditional: 6139, 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: 19816, independent: 19816, independent conditional: 13677, independent unconditional: 6139, 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: 19816, independent: 19816, independent conditional: 3312, independent unconditional: 16504, 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: 19816, independent: 19816, independent conditional: 2583, independent unconditional: 17233, 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: 19816, independent: 19816, independent conditional: 2583, independent unconditional: 17233, 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: 805, independent: 805, independent conditional: 13, independent unconditional: 792, 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: 805, independent: 805, independent conditional: 0, independent unconditional: 805, 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: 19816, independent: 19011, independent conditional: 2570, independent unconditional: 16441, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 805, unknown conditional: 13, unknown unconditional: 792] , Statistics on independence cache: Total cache size (in pairs): 805, Positive cache size: 805, Positive conditional cache size: 13, Positive unconditional cache size: 792, 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: 729, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19816, independent: 19816, independent conditional: 3312, independent unconditional: 16504, 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: 19816, independent: 19816, independent conditional: 2583, independent unconditional: 17233, 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: 19816, independent: 19816, independent conditional: 2583, independent unconditional: 17233, 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: 805, independent: 805, independent conditional: 13, independent unconditional: 792, 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: 805, independent: 805, independent conditional: 0, independent unconditional: 805, 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: 19816, independent: 19011, independent conditional: 2570, independent unconditional: 16441, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 805, unknown conditional: 13, unknown unconditional: 792] , Statistics on independence cache: Total cache size (in pairs): 805, Positive cache size: 805, Positive conditional cache size: 13, Positive unconditional cache size: 792, 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: 729 ], Independence queries for same thread: 1716 - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 136 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 873.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 849.7s, 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: 519, 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, 22.7s InterpolantComputationTime, 801 NumberOfCodeBlocks, 801 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1146 ConstructedInterpolants, 0 QuantifiedInterpolants, 17204 SizeOfPredicates, 71 NumberOfNonLiveVariables, 778 ConjunctsInSsa, 138 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 29/701 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