/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 SLEEP_SET -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 07:14:43,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 07:14:43,625 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 07:14:43,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 07:14:43,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 07:14:43,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 07:14:43,655 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 07:14:43,655 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 07:14:43,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 07:14:43,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 07:14:43,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 07:14:43,657 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 07:14:43,657 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 07:14:43,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 07:14:43,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 07:14:43,657 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 07:14:43,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 07:14:43,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 07:14:43,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 07:14:43,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 07:14:43,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 07:14:43,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 07:14:43,662 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 07:14:43,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 07:14:43,665 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 07:14:43,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 07:14:43,665 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 07:14:43,666 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 07:14:43,666 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 07:14:43,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 07:14:43,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 07:14:43,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 07:14:43,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 07:14:43,668 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 07:14:43,668 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 07:14:43,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 07:14:43,668 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 07:14:43,668 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 07:14:43,668 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 07:14:43,668 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-04-04 07:14:43,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 07:14:43,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 07:14:43,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 07:14:43,884 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 07:14:43,885 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 07:14:43,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/unroll-5.wvr.c [2024-04-04 07:14:44,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 07:14:45,055 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 07:14:45,055 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-5.wvr.c [2024-04-04 07:14:45,064 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/36c0b3202/3bf31b1f323d4e41886557a50ab1c796/FLAGaf461ef75 [2024-04-04 07:14:45,077 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/36c0b3202/3bf31b1f323d4e41886557a50ab1c796 [2024-04-04 07:14:45,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 07:14:45,081 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 07:14:45,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 07:14:45,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 07:14:45,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 07:14:45,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 07:14:45" (1/1) ... [2024-04-04 07:14:45,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f560b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:14:45, skipping insertion in model container [2024-04-04 07:14:45,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 07:14:45" (1/1) ... [2024-04-04 07:14:45,111 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 07:14:45,262 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-5.wvr.c[2644,2657] [2024-04-04 07:14:45,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 07:14:45,278 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 07:14:45,295 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-5.wvr.c[2644,2657] [2024-04-04 07:14:45,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 07:14:45,316 INFO L206 MainTranslator]: Completed translation [2024-04-04 07:14:45,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:14:45 WrapperNode [2024-04-04 07:14:45,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 07:14:45,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 07:14:45,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 07:14:45,318 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 07:14:45,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:14:45" (1/1) ... [2024-04-04 07:14:45,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:14:45" (1/1) ... [2024-04-04 07:14:45,344 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 167 [2024-04-04 07:14:45,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 07:14:45,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 07:14:45,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 07:14:45,345 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 07:14:45,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:14:45" (1/1) ... [2024-04-04 07:14:45,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:14:45" (1/1) ... [2024-04-04 07:14:45,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:14:45" (1/1) ... [2024-04-04 07:14:45,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:14:45" (1/1) ... [2024-04-04 07:14:45,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:14:45" (1/1) ... [2024-04-04 07:14:45,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:14:45" (1/1) ... [2024-04-04 07:14:45,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:14:45" (1/1) ... [2024-04-04 07:14:45,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:14:45" (1/1) ... [2024-04-04 07:14:45,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 07:14:45,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 07:14:45,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 07:14:45,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 07:14:45,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:14:45" (1/1) ... [2024-04-04 07:14:45,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 07:14:45,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:14:45,391 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 07:14:45,444 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 07:14:45,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 07:14:45,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 07:14:45,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 07:14:45,484 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 07:14:45,484 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 07:14:45,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 07:14:45,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 07:14:45,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 07:14:45,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 07:14:45,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 07:14:45,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 07:14:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 07:14:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 07:14:45,487 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 07:14:45,565 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 07:14:45,567 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 07:14:45,835 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 07:14:45,844 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 07:14:45,844 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-04 07:14:45,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 07:14:45 BoogieIcfgContainer [2024-04-04 07:14:45,845 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 07:14:45,847 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 07:14:45,847 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 07:14:45,849 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 07:14:45,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 07:14:45" (1/3) ... [2024-04-04 07:14:45,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111a6773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 07:14:45, skipping insertion in model container [2024-04-04 07:14:45,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:14:45" (2/3) ... [2024-04-04 07:14:45,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111a6773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 07:14:45, skipping insertion in model container [2024-04-04 07:14:45,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 07:14:45" (3/3) ... [2024-04-04 07:14:45,851 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.c [2024-04-04 07:14:45,857 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 07:14:45,864 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 07:14:45,864 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 07:14:45,864 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 07:14:45,938 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-04 07:14:45,975 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 07:14:45,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 07:14:45,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:14:45,978 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 07:14:45,991 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 07:14:46,011 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 07:14:46,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:14:46,021 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 07:14:46,028 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;@1a020e85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 07:14:46,028 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-04 07:14:46,342 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 07:14:46,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:14:46,346 INFO L85 PathProgramCache]: Analyzing trace with hash -4097251, now seen corresponding path program 1 times [2024-04-04 07:14:46,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:14:46,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086511575] [2024-04-04 07:14:46,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:14:46,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:14:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:14:46,573 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 07:14:46,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:14:46,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086511575] [2024-04-04 07:14:46,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086511575] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 07:14:46,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 07:14:46,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 07:14:46,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720693681] [2024-04-04 07:14:46,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 07:14:46,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 07:14:46,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:14:46,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 07:14:46,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 07:14:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:46,606 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:14:46,608 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 07:14:46,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:46,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 07:14:46,721 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 07:14:46,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:14:46,722 INFO L85 PathProgramCache]: Analyzing trace with hash 685175136, now seen corresponding path program 1 times [2024-04-04 07:14:46,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:14:46,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514596918] [2024-04-04 07:14:46,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:14:46,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:14:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:14:47,224 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 07:14:47,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:14:47,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514596918] [2024-04-04 07:14:47,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514596918] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 07:14:47,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 07:14:47,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 07:14:47,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932733012] [2024-04-04 07:14:47,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 07:14:47,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 07:14:47,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:14:47,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 07:14:47,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-04-04 07:14:47,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:47,227 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:14:47,227 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 07:14:47,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:47,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:47,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:47,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 07:14:47,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 07:14:47,371 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 07:14:47,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:14:47,377 INFO L85 PathProgramCache]: Analyzing trace with hash -742138288, now seen corresponding path program 1 times [2024-04-04 07:14:47,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:14:47,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348743984] [2024-04-04 07:14:47,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:14:47,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:14:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:14:47,733 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 07:14:47,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:14:47,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348743984] [2024-04-04 07:14:47,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348743984] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 07:14:47,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 07:14:47,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-04 07:14:47,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695935524] [2024-04-04 07:14:47,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 07:14:47,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-04 07:14:47,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:14:47,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-04 07:14:47,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-04-04 07:14:47,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:47,740 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:14:47,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.125) internal successors, (169), 8 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:14:47,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:47,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 07:14:47,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:47,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:47,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 07:14:47,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 07:14:47,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-04 07:14:47,889 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 07:14:47,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:14:47,890 INFO L85 PathProgramCache]: Analyzing trace with hash 394769326, now seen corresponding path program 1 times [2024-04-04 07:14:47,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:14:47,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144205506] [2024-04-04 07:14:47,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:14:47,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:14:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:14:56,729 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 07:14:56,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:14:56,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144205506] [2024-04-04 07:14:56,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144205506] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:14:56,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22711234] [2024-04-04 07:14:56,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:14:56,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:14:56,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:14:56,770 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 07:14:56,786 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 07:14:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:14:56,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 42 conjunts are in the unsatisfiable core [2024-04-04 07:14:56,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:14:58,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-04-04 07:14:58,650 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 07:14:58,650 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:14:59,098 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 07:14:59,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2024-04-04 07:15:00,020 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 07:15:00,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22711234] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:15:00,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:15:00,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 25, 20] total 60 [2024-04-04 07:15:00,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462137410] [2024-04-04 07:15:00,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:15:00,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-04-04 07:15:00,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:15:00,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-04-04 07:15:00,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=3286, Unknown=1, NotChecked=0, Total=3540 [2024-04-04 07:15:00,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:15:00,024 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:15:00,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 8.133333333333333) internal successors, (488), 60 states have internal predecessors, (488), 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 07:15:00,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:15:00,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 07:15:00,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 07:15:00,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:15:07,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 07:15:09,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 07:15:12,434 WARN L539 Checker$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 07:15:14,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 07:15:24,909 WARN L539 Checker$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 07:15:35,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 07:15:37,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 07:15:59,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 07:16:21,606 WARN L539 Checker$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 07:16:23,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 07:16:57,698 WARN L539 Checker$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 07:17:12,072 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 07:17:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:17:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 07:17:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 07:17:13,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-04 07:17:13,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-04 07:17:13,513 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 07:17:13,514 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 07:17:13,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:17:13,514 INFO L85 PathProgramCache]: Analyzing trace with hash -448661127, now seen corresponding path program 2 times [2024-04-04 07:17:13,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:17:13,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391827975] [2024-04-04 07:17:13,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:17:13,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:17:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:17:14,366 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 3 proven. 225 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 07:17:14,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:17:14,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391827975] [2024-04-04 07:17:14,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391827975] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:17:14,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215089806] [2024-04-04 07:17:14,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 07:17:14,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:17:14,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:17:14,368 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 07:17:14,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 07:17:14,554 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 07:17:14,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:17:14,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 190 conjunts are in the unsatisfiable core [2024-04-04 07:17:14,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:17:15,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-04-04 07:17:15,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-04 07:17:15,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-04 07:17:21,116 INFO L349 Elim1Store]: treesize reduction 13, result has 48.0 percent of original size [2024-04-04 07:17:21,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 40 [2024-04-04 07:17:21,388 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 21 proven. 196 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-04-04 07:17:21,388 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:18:58,848 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 07:18:58,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 5472 treesize of output 3012 [2024-04-04 07:19:04,384 WARN L293 SmtUtils]: Spent 5.50s on a formula simplification that was a NOOP. DAG size: 655 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-04-04 07:19:04,385 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 07:19:04,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 34 new quantified variables, introduced 153 case distinctions, treesize of input 13634 treesize of output 11818 [2024-04-04 07:19:09,685 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 07:19:09,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 34 new quantified variables, introduced 153 case distinctions, treesize of input 3109 treesize of output 2117 [2024-04-04 07:19:50,974 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 07:19:52,016 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 07:20:01,037 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 07:20:01,958 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 07:20:04,805 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 07:20:05,720 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 07:20:46,341 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-04 07:21:01,016 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-04 07:21:05,135 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-04 07:26:00,745 WARN L293 SmtUtils]: Spent 4.92m on a formula simplification. DAG size of input: 4281 DAG size of output: 2231 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-04-04 07:27:07,809 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. Received shutdown request... [2024-04-04 07:29:14,529 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 07:29:14,530 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 07:29:14,530 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 07:29:14,582 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-04 07:29:14,588 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 07:29:14,788 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 07:29:14,789 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 334 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-4096-49-1 term,while PolyPacSimplificationTermWalker was simplifying 49 xjuncts wrt. a ∧-3552-49-32-6-3-2-2-1 context. [2024-04-04 07:29:14,790 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-04 07:29:14,790 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-04 07:29:14,793 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-04-04 07:29:14,795 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 07:29:14,795 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 07:29:14,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 07:29:14 BasicIcfg [2024-04-04 07:29:14,797 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 07:29:14,798 INFO L158 Benchmark]: Toolchain (without parser) took 869717.11ms. Allocated memory was 174.1MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 107.2MB in the beginning and 493.3MB in the end (delta: -386.1MB). Peak memory consumption was 897.5MB. Max. memory is 8.0GB. [2024-04-04 07:29:14,798 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 174.1MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 07:29:14,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.22ms. Allocated memory is still 174.1MB. Free memory was 107.1MB in the beginning and 95.1MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-04-04 07:29:14,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.76ms. Allocated memory is still 174.1MB. Free memory was 95.1MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 07:29:14,800 INFO L158 Benchmark]: Boogie Preprocessor took 18.90ms. Allocated memory is still 174.1MB. Free memory was 93.0MB in the beginning and 91.2MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-04 07:29:14,801 INFO L158 Benchmark]: RCFGBuilder took 481.51ms. Allocated memory was 174.1MB in the beginning and 282.1MB in the end (delta: 108.0MB). Free memory was 91.2MB in the beginning and 236.1MB in the end (delta: -144.9MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. [2024-04-04 07:29:14,801 INFO L158 Benchmark]: TraceAbstraction took 868950.02ms. Allocated memory was 282.1MB in the beginning and 1.3GB in the end (delta: 978.3MB). Free memory was 235.1MB in the beginning and 493.3MB in the end (delta: -258.3MB). Peak memory consumption was 916.7MB. Max. memory is 8.0GB. [2024-04-04 07:29:14,803 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 174.1MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 234.22ms. Allocated memory is still 174.1MB. Free memory was 107.1MB in the beginning and 95.1MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.76ms. Allocated memory is still 174.1MB. Free memory was 95.1MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.90ms. Allocated memory is still 174.1MB. Free memory was 93.0MB in the beginning and 91.2MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 481.51ms. Allocated memory was 174.1MB in the beginning and 282.1MB in the end (delta: 108.0MB). Free memory was 91.2MB in the beginning and 236.1MB in the end (delta: -144.9MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. * TraceAbstraction took 868950.02ms. Allocated memory was 282.1MB in the beginning and 1.3GB in the end (delta: 978.3MB). Free memory was 235.1MB in the beginning and 493.3MB in the end (delta: -258.3MB). Peak memory consumption was 916.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17470, independent: 13429, independent conditional: 12703, independent unconditional: 726, dependent: 4041, dependent conditional: 3089, dependent unconditional: 952, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13429, independent: 13429, independent conditional: 12703, independent unconditional: 726, 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: 13429, independent: 13429, independent conditional: 12703, independent unconditional: 726, 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: 13429, independent: 13429, independent conditional: 12703, independent unconditional: 726, 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: 13429, independent: 13429, independent conditional: 733, independent unconditional: 12696, 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: 13429, independent: 13429, independent conditional: 572, independent unconditional: 12857, 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: 13429, independent: 13429, independent conditional: 572, independent unconditional: 12857, 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: 1789, independent: 1789, independent conditional: 5, independent unconditional: 1784, 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: 1789, independent: 1789, independent conditional: 0, independent unconditional: 1789, 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: 13429, independent: 11640, independent conditional: 567, independent unconditional: 11073, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1789, unknown conditional: 5, unknown unconditional: 1784] , Statistics on independence cache: Total cache size (in pairs): 1789, Positive cache size: 1789, Positive conditional cache size: 5, Positive unconditional cache size: 1784, 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: 161, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13429, independent: 13429, independent conditional: 733, independent unconditional: 12696, 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: 13429, independent: 13429, independent conditional: 572, independent unconditional: 12857, 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: 13429, independent: 13429, independent conditional: 572, independent unconditional: 12857, 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: 1789, independent: 1789, independent conditional: 5, independent unconditional: 1784, 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: 1789, independent: 1789, independent conditional: 0, independent unconditional: 1789, 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: 13429, independent: 11640, independent conditional: 567, independent unconditional: 11073, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1789, unknown conditional: 5, unknown unconditional: 1784] , Statistics on independence cache: Total cache size (in pairs): 1789, Positive cache size: 1789, Positive conditional cache size: 5, Positive unconditional cache size: 1784, 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: 161 ], Independence queries for same thread: 4041 - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 334 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-4096-49-1 term,while PolyPacSimplificationTermWalker was simplifying 49 xjuncts wrt. a ∧-3552-49-32-6-3-2-2-1 context. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 334 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-4096-49-1 term,while PolyPacSimplificationTermWalker was simplifying 49 xjuncts wrt. a ∧-3552-49-32-6-3-2-2-1 context. - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 334 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-4096-49-1 term,while PolyPacSimplificationTermWalker was simplifying 49 xjuncts wrt. a ∧-3552-49-32-6-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 287 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 868.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 134.0s, 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: 89, 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: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 12.7s InterpolantComputationTime, 784 NumberOfCodeBlocks, 784 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 968 ConstructedInterpolants, 14 QuantifiedInterpolants, 10573 SizeOfPredicates, 29 NumberOfNonLiveVariables, 353 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 21/69 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