/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 13:28:12,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 13:28:12,092 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 13:28:12,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 13:28:12,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 13:28:12,112 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 13:28:12,115 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 13:28:12,116 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 13:28:12,116 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 13:28:12,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 13:28:12,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 13:28:12,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 13:28:12,120 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 13:28:12,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 13:28:12,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 13:28:12,122 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 13:28:12,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 13:28:12,122 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 13:28:12,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 13:28:12,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 13:28:12,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 13:28:12,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 13:28:12,123 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 13:28:12,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 13:28:12,124 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 13:28:12,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 13:28:12,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 13:28:12,124 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 13:28:12,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 13:28:12,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 13:28:12,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 13:28:12,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 13:28:12,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 13:28:12,126 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 13:28:12,126 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 13:28:12,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 13:28:12,126 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 13:28:12,126 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 13:28:12,127 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 13:28:12,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-04 13:28:12,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 13:28:12,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 13:28:12,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 13:28:12,369 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 13:28:12,369 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 13:28:12,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2024-04-04 13:28:13,392 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 13:28:13,522 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 13:28:13,523 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2024-04-04 13:28:13,528 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d306d960f/2c40155253c24ff4b534902b4593a95f/FLAGda7e5fe66 [2024-04-04 13:28:13,542 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d306d960f/2c40155253c24ff4b534902b4593a95f [2024-04-04 13:28:13,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 13:28:13,545 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 13:28:13,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 13:28:13,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 13:28:13,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 13:28:13,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 01:28:13" (1/1) ... [2024-04-04 13:28:13,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221005cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:13, skipping insertion in model container [2024-04-04 13:28:13,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 01:28:13" (1/1) ... [2024-04-04 13:28:13,568 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 13:28:13,706 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/popl20-bad-threaded-sum-2.wvr.c[2476,2489] [2024-04-04 13:28:13,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 13:28:13,721 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 13:28:13,745 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/popl20-bad-threaded-sum-2.wvr.c[2476,2489] [2024-04-04 13:28:13,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 13:28:13,751 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 13:28:13,751 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 13:28:13,759 INFO L206 MainTranslator]: Completed translation [2024-04-04 13:28:13,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:13 WrapperNode [2024-04-04 13:28:13,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 13:28:13,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 13:28:13,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 13:28:13,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 13:28:13,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:13" (1/1) ... [2024-04-04 13:28:13,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:13" (1/1) ... [2024-04-04 13:28:13,803 INFO L138 Inliner]: procedures = 21, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-04-04 13:28:13,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 13:28:13,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 13:28:13,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 13:28:13,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 13:28:13,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:13" (1/1) ... [2024-04-04 13:28:13,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:13" (1/1) ... [2024-04-04 13:28:13,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:13" (1/1) ... [2024-04-04 13:28:13,817 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:13" (1/1) ... [2024-04-04 13:28:13,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:13" (1/1) ... [2024-04-04 13:28:13,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:13" (1/1) ... [2024-04-04 13:28:13,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:13" (1/1) ... [2024-04-04 13:28:13,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:13" (1/1) ... [2024-04-04 13:28:13,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 13:28:13,841 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 13:28:13,841 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 13:28:13,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 13:28:13,842 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:13" (1/1) ... [2024-04-04 13:28:13,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 13:28:13,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:28:13,869 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 13:28:13,884 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 13:28:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 13:28:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 13:28:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 13:28:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 13:28:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 13:28:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 13:28:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 13:28:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 13:28:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 13:28:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 13:28:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 13:28:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 13:28:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 13:28:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 13:28:13,918 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 13:28:13,995 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 13:28:13,997 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 13:28:14,123 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 13:28:14,218 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 13:28:14,218 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-04 13:28:14,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 01:28:14 BoogieIcfgContainer [2024-04-04 13:28:14,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 13:28:14,221 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 13:28:14,222 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 13:28:14,228 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 13:28:14,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 01:28:13" (1/3) ... [2024-04-04 13:28:14,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45feb875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 01:28:14, skipping insertion in model container [2024-04-04 13:28:14,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:13" (2/3) ... [2024-04-04 13:28:14,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45feb875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 01:28:14, skipping insertion in model container [2024-04-04 13:28:14,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 01:28:14" (3/3) ... [2024-04-04 13:28:14,230 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2024-04-04 13:28:14,236 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 13:28:14,243 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 13:28:14,243 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 13:28:14,243 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 13:28:14,287 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-04 13:28:14,324 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 13:28:14,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 13:28:14,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:28:14,326 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 13:28:14,327 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 13:28:14,354 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 13:28:14,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:28:14,364 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 13:28:14,368 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;@468265ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 13:28:14,369 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-04 13:28:14,488 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 13:28:14,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:28:14,490 INFO L85 PathProgramCache]: Analyzing trace with hash -681308655, now seen corresponding path program 1 times [2024-04-04 13:28:14,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:28:14,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714252331] [2024-04-04 13:28:14,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:28:14,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:28:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:28:14,669 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 13:28:14,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:28:14,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714252331] [2024-04-04 13:28:14,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714252331] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 13:28:14,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 13:28:14,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 13:28:14,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239707981] [2024-04-04 13:28:14,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 13:28:14,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 13:28:14,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:28:14,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 13:28:14,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 13:28:14,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:14,737 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:28:14,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 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 13:28:14,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:14,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:14,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 13:28:14,780 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 13:28:14,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:28:14,780 INFO L85 PathProgramCache]: Analyzing trace with hash -609160435, now seen corresponding path program 1 times [2024-04-04 13:28:14,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:28:14,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967782799] [2024-04-04 13:28:14,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:28:14,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:28:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:28:15,276 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 13:28:15,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:28:15,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967782799] [2024-04-04 13:28:15,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967782799] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 13:28:15,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 13:28:15,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-04 13:28:15,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466738982] [2024-04-04 13:28:15,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 13:28:15,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-04 13:28:15,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:28:15,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 13:28:15,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-04-04 13:28:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:15,309 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:28:15,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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 13:28:15,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:15,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:15,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:15,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 13:28:15,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 13:28:15,448 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 13:28:15,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:28:15,451 INFO L85 PathProgramCache]: Analyzing trace with hash -17791673, now seen corresponding path program 1 times [2024-04-04 13:28:15,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:28:15,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90026189] [2024-04-04 13:28:15,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:28:15,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:28:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:28:17,632 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 13:28:17,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:28:17,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90026189] [2024-04-04 13:28:17,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90026189] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:28:17,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950044994] [2024-04-04 13:28:17,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:28:17,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:28:17,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:28:17,678 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 13:28:17,680 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 13:28:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:28:17,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 13:28:17,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:28:18,931 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 13:28:18,932 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:28:35,731 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 13:28:35,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950044994] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:28:35,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:28:35,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 39 [2024-04-04 13:28:35,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321014857] [2024-04-04 13:28:35,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:28:35,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-04-04 13:28:35,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:28:35,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-04-04 13:28:35,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1248, Unknown=3, NotChecked=0, Total=1482 [2024-04-04 13:28:35,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:35,753 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:28:35,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.230769230769231) internal successors, (165), 39 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 13:28:35,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:35,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 13:28:35,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:40,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:40,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 13:28:40,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-04 13:28:40,925 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 13:28:41,117 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,SelfDestructingSolverStorable2 [2024-04-04 13:28:41,120 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 13:28:41,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:28:41,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1515431565, now seen corresponding path program 2 times [2024-04-04 13:28:41,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:28:41,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879386119] [2024-04-04 13:28:41,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:28:41,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:28:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:28:41,417 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-04-04 13:28:41,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:28:41,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879386119] [2024-04-04 13:28:41,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879386119] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:28:41,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191758734] [2024-04-04 13:28:41,419 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 13:28:41,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:28:41,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:28:41,424 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 13:28:41,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 13:28:41,508 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 13:28:41,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:28:41,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-04 13:28:41,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:28:41,665 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 34 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-04 13:28:41,666 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:28:41,725 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-04-04 13:28:41,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191758734] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:28:41,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:28:41,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 5] total 14 [2024-04-04 13:28:41,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342923443] [2024-04-04 13:28:41,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:28:41,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-04 13:28:41,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:28:41,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-04 13:28:41,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-04-04 13:28:41,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:41,752 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:28:41,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 14 states have internal predecessors, (122), 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 13:28:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 13:28:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-04 13:28:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:42,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:42,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 13:28:42,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-04 13:28:42,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 13:28:42,067 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 13:28:42,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:28:42,259 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 13:28:42,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:28:42,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1792931401, now seen corresponding path program 3 times [2024-04-04 13:28:42,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:28:42,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532746643] [2024-04-04 13:28:42,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:28:42,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:28:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:28:42,528 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-04-04 13:28:42,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:28:42,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532746643] [2024-04-04 13:28:42,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532746643] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 13:28:42,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 13:28:42,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-04 13:28:42,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043790047] [2024-04-04 13:28:42,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 13:28:42,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 13:28:42,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:28:42,608 INFO L85 PathProgramCache]: Analyzing trace with hash -100855742, now seen corresponding path program 1 times [2024-04-04 13:28:42,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:28:42,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:28:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:28:42,654 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:28:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:28:42,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-04 13:28:42,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-04 13:28:42,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:42,742 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:28:42,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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 13:28:42,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:42,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 13:28:42,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-04 13:28:42,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 13:28:42,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:42,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:42,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 13:28:42,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-04 13:28:42,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 13:28:42,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 13:28:42,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable5 [2024-04-04 13:28:42,925 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 13:28:42,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:28:42,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1620124764, now seen corresponding path program 4 times [2024-04-04 13:28:42,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:28:42,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678868168] [2024-04-04 13:28:42,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:28:42,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:28:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:28:45,453 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 13:28:45,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:28:45,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678868168] [2024-04-04 13:28:45,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678868168] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:28:45,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998615200] [2024-04-04 13:28:45,454 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 13:28:45,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:28:45,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:28:45,455 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 13:28:45,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 13:28:45,672 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 13:28:45,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:28:45,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 55 conjunts are in the unsatisfiable core [2024-04-04 13:28:45,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:28:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 13:28:48,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:28:52,471 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 13:28:52,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998615200] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:28:52,472 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:28:52,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 33, 32] total 80 [2024-04-04 13:28:52,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75207552] [2024-04-04 13:28:52,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:28:52,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-04-04 13:28:52,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:28:52,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-04-04 13:28:52,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=949, Invalid=5371, Unknown=0, NotChecked=0, Total=6320 [2024-04-04 13:28:52,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:52,500 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:28:52,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 3.1) internal successors, (248), 80 states have internal predecessors, (248), 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 13:28:52,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:52,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 13:28:52,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-04 13:28:52,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 13:28:52,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 13:28:52,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:29:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:29:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 13:29:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-04 13:29:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 13:29:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 13:29:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-04-04 13:29:35,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 13:29:35,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:29:35,287 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 13:29:35,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:29:35,288 INFO L85 PathProgramCache]: Analyzing trace with hash -329577378, now seen corresponding path program 5 times [2024-04-04 13:29:35,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:29:35,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118338672] [2024-04-04 13:29:35,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:29:35,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:29:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:29:45,494 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 175 proven. 146 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2024-04-04 13:29:45,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:29:45,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118338672] [2024-04-04 13:29:45,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118338672] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:29:45,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081181715] [2024-04-04 13:29:45,495 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 13:29:45,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:29:45,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:29:45,496 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 13:29:45,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 13:29:47,387 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-04-04 13:29:47,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:29:47,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-04 13:29:47,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:29:47,439 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 106 proven. 37 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2024-04-04 13:29:47,440 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:29:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-04-04 13:29:47,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081181715] provided 1 perfect and 1 imperfect interpolant sequences [2024-04-04 13:29:47,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-04-04 13:29:47,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 6] total 11 [2024-04-04 13:29:47,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318373854] [2024-04-04 13:29:47,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 13:29:47,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 13:29:47,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:29:47,586 INFO L85 PathProgramCache]: Analyzing trace with hash -172007024, now seen corresponding path program 2 times [2024-04-04 13:29:47,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:29:47,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:29:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:29:47,718 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:29:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:29:47,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-04 13:29:47,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-04-04 13:29:47,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:29:47,848 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:29:47,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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 13:29:47,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:29:47,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 13:29:47,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-04 13:29:47,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 13:29:47,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 13:29:47,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-04-04 13:29:47,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:29:48,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:29:48,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 13:29:48,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-04 13:29:48,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 13:29:48,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 13:29:48,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-04-04 13:29:48,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:29:48,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-04 13:29:48,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7 [2024-04-04 13:29:48,755 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 13:29:48,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:29:48,755 INFO L85 PathProgramCache]: Analyzing trace with hash 290640766, now seen corresponding path program 6 times [2024-04-04 13:29:48,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:29:48,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608358917] [2024-04-04 13:29:48,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:29:48,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:29:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2024-04-04 13:42:33,472 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-04 13:42:33,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-04-04 13:42:33,473 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 155 with TraceHistMax 14,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-10-2-8-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-10-2-10-2-10-2-9-2-9-2-8-2-8-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-39-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-10-2-10-2-10-2-9-2-9-2-8-2-8-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-2-1 context. [2024-04-04 13:42:33,474 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-04 13:42:33,474 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-04 13:42:33,480 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 13:42:33,480 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 13:42:33,488 INFO L445 BasicCegarLoop]: Path program histogram: [6, 2, 1, 1] [2024-04-04 13:42:33,490 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 13:42:33,490 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 13:42:33,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 01:42:33 BasicIcfg [2024-04-04 13:42:33,493 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 13:42:33,493 INFO L158 Benchmark]: Toolchain (without parser) took 859947.77ms. Allocated memory was 300.9MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 230.3MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2024-04-04 13:42:33,493 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 300.9MB. Free memory is still 267.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 13:42:33,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.75ms. Allocated memory is still 300.9MB. Free memory was 230.0MB in the beginning and 218.7MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-04 13:42:33,494 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.86ms. Allocated memory is still 300.9MB. Free memory was 218.7MB in the beginning and 217.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-04 13:42:33,494 INFO L158 Benchmark]: Boogie Preprocessor took 35.77ms. Allocated memory is still 300.9MB. Free memory was 217.1MB in the beginning and 215.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-04 13:42:33,494 INFO L158 Benchmark]: RCFGBuilder took 378.69ms. Allocated memory is still 300.9MB. Free memory was 215.6MB in the beginning and 267.2MB in the end (delta: -51.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-04-04 13:42:33,495 INFO L158 Benchmark]: TraceAbstraction took 859271.20ms. Allocated memory was 300.9MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 265.6MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2024-04-04 13:42:33,501 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 300.9MB. Free memory is still 267.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 214.75ms. Allocated memory is still 300.9MB. Free memory was 230.0MB in the beginning and 218.7MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.86ms. Allocated memory is still 300.9MB. Free memory was 218.7MB in the beginning and 217.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.77ms. Allocated memory is still 300.9MB. Free memory was 217.1MB in the beginning and 215.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 378.69ms. Allocated memory is still 300.9MB. Free memory was 215.6MB in the beginning and 267.2MB in the end (delta: -51.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 859271.20ms. Allocated memory was 300.9MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 265.6MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2854, independent: 2123, independent conditional: 1932, independent unconditional: 191, dependent: 731, dependent conditional: 673, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2174, independent: 2123, independent conditional: 1932, independent unconditional: 191, dependent: 51, dependent conditional: 48, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2174, independent: 2123, independent conditional: 1932, independent unconditional: 191, dependent: 51, dependent conditional: 48, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2174, independent: 2123, independent conditional: 1932, independent unconditional: 191, dependent: 51, dependent conditional: 48, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2339, independent: 2123, independent conditional: 507, independent unconditional: 1616, dependent: 216, dependent conditional: 102, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2339, independent: 2123, independent conditional: 442, independent unconditional: 1681, dependent: 216, dependent conditional: 75, dependent unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2339, independent: 2123, independent conditional: 442, independent unconditional: 1681, dependent: 216, dependent conditional: 75, dependent unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 218, independent: 186, independent conditional: 41, independent unconditional: 145, dependent: 32, dependent conditional: 26, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 218, independent: 182, independent conditional: 0, independent unconditional: 182, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 36, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 32, dependent conditional: 26, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 32, dependent conditional: 26, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 149, dependent conditional: 74, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2339, independent: 1937, independent conditional: 401, independent unconditional: 1536, dependent: 184, dependent conditional: 49, dependent unconditional: 135, unknown: 218, unknown conditional: 67, unknown unconditional: 151] , Statistics on independence cache: Total cache size (in pairs): 218, Positive cache size: 186, Positive conditional cache size: 41, Positive unconditional cache size: 145, Negative cache size: 32, Negative conditional cache size: 26, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 92, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2339, independent: 2123, independent conditional: 507, independent unconditional: 1616, dependent: 216, dependent conditional: 102, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2339, independent: 2123, independent conditional: 442, independent unconditional: 1681, dependent: 216, dependent conditional: 75, dependent unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2339, independent: 2123, independent conditional: 442, independent unconditional: 1681, dependent: 216, dependent conditional: 75, dependent unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 218, independent: 186, independent conditional: 41, independent unconditional: 145, dependent: 32, dependent conditional: 26, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 218, independent: 182, independent conditional: 0, independent unconditional: 182, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 36, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 32, dependent conditional: 26, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 32, dependent conditional: 26, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 149, dependent conditional: 74, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2339, independent: 1937, independent conditional: 401, independent unconditional: 1536, dependent: 184, dependent conditional: 49, dependent unconditional: 135, unknown: 218, unknown conditional: 67, unknown unconditional: 151] , Statistics on independence cache: Total cache size (in pairs): 218, Positive cache size: 186, Positive conditional cache size: 41, Positive unconditional cache size: 145, Negative cache size: 32, Negative conditional cache size: 26, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 92 ], Independence queries for same thread: 680 - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 155 with TraceHistMax 14,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-10-2-8-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-10-2-10-2-10-2-9-2-9-2-8-2-8-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-39-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-10-2-10-2-10-2-9-2-9-2-8-2-8-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-2-1 context. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 155 with TraceHistMax 14,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-10-2-8-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-10-2-10-2-10-2-9-2-9-2-8-2-8-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-39-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-10-2-10-2-10-2-9-2-9-2-8-2-8-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-2-1 context. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 155 with TraceHistMax 14,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-10-2-8-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-10-2-10-2-10-2-9-2-9-2-8-2-8-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-39-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-10-2-10-2-10-2-9-2-9-2-8-2-8-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 98 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 859.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 49.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 208, 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, 2.8s SatisfiabilityAnalysisTime, 40.3s InterpolantComputationTime, 1079 NumberOfCodeBlocks, 1079 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1487 ConstructedInterpolants, 0 QuantifiedInterpolants, 15133 SizeOfPredicates, 49 NumberOfNonLiveVariables, 859 ConjunctsInSsa, 106 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 2092/2557 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