/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 RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 05:51:04,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 05:51:04,507 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 05:51:04,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 05:51:04,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 05:51:04,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 05:51:04,543 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 05:51:04,543 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 05:51:04,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 05:51:04,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 05:51:04,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 05:51:04,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 05:51:04,559 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 05:51:04,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 05:51:04,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 05:51:04,560 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 05:51:04,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 05:51:04,561 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 05:51:04,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 05:51:04,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 05:51:04,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 05:51:04,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 05:51:04,562 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 05:51:04,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 05:51:04,562 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 05:51:04,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 05:51:04,562 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 05:51:04,562 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 05:51:04,563 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 05:51:04,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 05:51:04,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 05:51:04,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 05:51:04,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 05:51:04,564 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 05:51:04,564 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 05:51:04,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 05:51:04,565 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 05:51:04,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 05:51:04,565 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 05:51:04,565 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-05 05:51:04,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 05:51:04,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 05:51:04,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 05:51:04,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 05:51:04,789 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 05:51:04,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2024-04-05 05:51:05,834 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 05:51:06,017 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 05:51:06,018 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2024-04-05 05:51:06,036 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ede5a0618/0c6a5f36b9094c7e9ffeed7b38a0b584/FLAGe633719bb [2024-04-05 05:51:06,054 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ede5a0618/0c6a5f36b9094c7e9ffeed7b38a0b584 [2024-04-05 05:51:06,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 05:51:06,058 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 05:51:06,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 05:51:06,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 05:51:06,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 05:51:06,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:51:06" (1/1) ... [2024-04-05 05:51:06,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67cbc8a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:51:06, skipping insertion in model container [2024-04-05 05:51:06,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:51:06" (1/1) ... [2024-04-05 05:51:06,088 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 05:51:06,252 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] [2024-04-05 05:51:06,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 05:51:06,270 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 05:51:06,284 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] [2024-04-05 05:51:06,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 05:51:06,291 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 05:51:06,291 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 05:51:06,304 INFO L206 MainTranslator]: Completed translation [2024-04-05 05:51:06,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:51:06 WrapperNode [2024-04-05 05:51:06,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 05:51:06,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 05:51:06,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 05:51:06,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 05:51:06,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:51:06" (1/1) ... [2024-04-05 05:51:06,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:51:06" (1/1) ... [2024-04-05 05:51:06,346 INFO L138 Inliner]: procedures = 21, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-04-05 05:51:06,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 05:51:06,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 05:51:06,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 05:51:06,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 05:51:06,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:51:06" (1/1) ... [2024-04-05 05:51:06,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:51:06" (1/1) ... [2024-04-05 05:51:06,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:51:06" (1/1) ... [2024-04-05 05:51:06,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:51:06" (1/1) ... [2024-04-05 05:51:06,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:51:06" (1/1) ... [2024-04-05 05:51:06,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:51:06" (1/1) ... [2024-04-05 05:51:06,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:51:06" (1/1) ... [2024-04-05 05:51:06,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:51:06" (1/1) ... [2024-04-05 05:51:06,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 05:51:06,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 05:51:06,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 05:51:06,374 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 05:51:06,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:51:06" (1/1) ... [2024-04-05 05:51:06,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 05:51:06,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:51:06,421 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) [2024-04-05 05:51:06,441 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 [2024-04-05 05:51:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 05:51:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 05:51:06,465 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 05:51:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 05:51:06,465 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 05:51:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 05:51:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 05:51:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 05:51:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 05:51:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 05:51:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 05:51:06,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 05:51:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 05:51:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 05:51:06,468 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 05:51:06,566 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 05:51:06,568 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 05:51:06,736 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 05:51:06,786 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 05:51:06,786 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-05 05:51:06,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:51:06 BoogieIcfgContainer [2024-04-05 05:51:06,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 05:51:06,790 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 05:51:06,790 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 05:51:06,792 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 05:51:06,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 05:51:06" (1/3) ... [2024-04-05 05:51:06,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475aff61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:51:06, skipping insertion in model container [2024-04-05 05:51:06,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:51:06" (2/3) ... [2024-04-05 05:51:06,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475aff61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:51:06, skipping insertion in model container [2024-04-05 05:51:06,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:51:06" (3/3) ... [2024-04-05 05:51:06,795 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2024-04-05 05:51:06,805 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 05:51:06,814 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 05:51:06,814 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 05:51:06,814 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 05:51:06,897 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-05 05:51:06,955 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 05:51:06,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 05:51:06,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:51:06,960 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) [2024-04-05 05:51:06,967 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 [2024-04-05 05:51:07,003 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 05:51:07,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:51:07,025 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 05:51:07,031 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;@5a8a1696, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213 [2024-04-05 05:51:07,031 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-05 05:51:07,593 INFO L85 PathProgramCache]: Analyzing trace with hash -372133650, now seen corresponding path program 1 times [2024-04-05 05:51:07,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:51:07,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:51:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:51:07,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 05:51:07,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:51:07,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:51:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:51:08,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 05:51:08,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 05:51:08,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 05:51:08,117 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:51:08,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:51:08,118 INFO L85 PathProgramCache]: Analyzing trace with hash -609160435, now seen corresponding path program 1 times [2024-04-05 05:51:08,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:51:08,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030030561] [2024-04-05 05:51:08,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:51:08,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:51:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:51:08,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:51:08,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:51:08,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030030561] [2024-04-05 05:51:08,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030030561] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 05:51:08,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 05:51:08,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-05 05:51:08,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346368254] [2024-04-05 05:51:08,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 05:51:08,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-05 05:51:08,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:51:08,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-05 05:51:08,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-04-05 05:51:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:51:08,637 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:51:08,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 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) [2024-04-05 05:51:08,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:51:08,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 05:51:08,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-05 05:51:08,859 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:51:08,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:51:08,859 INFO L85 PathProgramCache]: Analyzing trace with hash -17791673, now seen corresponding path program 1 times [2024-04-05 05:51:08,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:51:08,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34647900] [2024-04-05 05:51:08,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:51:08,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:51:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:51:10,318 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:51:10,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:51:10,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34647900] [2024-04-05 05:51:10,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34647900] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:51:10,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391833467] [2024-04-05 05:51:10,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:51:10,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:51:10,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:51:10,352 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) [2024-04-05 05:51:10,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 05:51:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:51:10,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-05 05:51:10,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:51:11,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:51:11,462 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:51:15,062 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:51:15,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391833467] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:51:15,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:51:15,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17, 17] total 36 [2024-04-05 05:51:15,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252224763] [2024-04-05 05:51:15,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:51:15,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-05 05:51:15,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:51:15,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-05 05:51:15,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=1040, Unknown=0, NotChecked=0, Total=1260 [2024-04-05 05:51:15,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:51:15,068 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:51:15,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.583333333333333) internal successors, (165), 36 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) [2024-04-05 05:51:15,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 05:51:15,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:51:17,260 INFO L85 PathProgramCache]: Analyzing trace with hash -100855742, now seen corresponding path program 1 times [2024-04-05 05:51:17,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:51:17,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:51:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 05:51:17,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 05:51:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 05:51:17,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 05:51:17,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 05:51:17,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-05 05:51:17,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:51:17,712 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:51:17,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:51:17,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1515431565, now seen corresponding path program 2 times [2024-04-05 05:51:17,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:51:17,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137352002] [2024-04-05 05:51:17,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:51:17,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:51:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:51:18,048 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-04-05 05:51:18,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:51:18,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137352002] [2024-04-05 05:51:18,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137352002] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:51:18,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146198138] [2024-04-05 05:51:18,052 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 05:51:18,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:51:18,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:51:18,073 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) [2024-04-05 05:51:18,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 05:51:18,155 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 05:51:18,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:51:18,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-05 05:51:18,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:51:18,334 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 34 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-05 05:51:18,334 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:51:18,403 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-04-05 05:51:18,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146198138] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:51:18,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:51:18,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 5] total 14 [2024-04-05 05:51:18,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319047130] [2024-04-05 05:51:18,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:51:18,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-05 05:51:18,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:51:18,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-05 05:51:18,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-04-05 05:51:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:51:18,412 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:51:18,412 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) [2024-04-05 05:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 05:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 05:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:51:18,738 INFO L85 PathProgramCache]: Analyzing trace with hash -100855742, now seen corresponding path program 2 times [2024-04-05 05:51:18,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:51:18,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:51:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 05:51:18,785 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 05:51:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 05:51:19,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1270306456, now seen corresponding path program 3 times [2024-04-05 05:51:19,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:51:19,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:51:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 05:51:19,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 05:51:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 05:51:19,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 05:51:19,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 05:51:19,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 05:51:19,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 05:51:19,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:51:19,485 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:51:19,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:51:19,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1792931401, now seen corresponding path program 3 times [2024-04-05 05:51:19,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:51:19,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854108633] [2024-04-05 05:51:19,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:51:19,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:51:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:51:19,785 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-04-05 05:51:19,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:51:19,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854108633] [2024-04-05 05:51:19,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854108633] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 05:51:19,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 05:51:19,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-05 05:51:19,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863573570] [2024-04-05 05:51:19,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 05:51:19,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-05 05:51:19,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:51:19,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-05 05:51:19,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-04-05 05:51:19,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:51:19,788 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:51:19,788 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) [2024-04-05 05:51:19,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 05:51:19,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 05:51:19,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 05:51:19,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:51:19,987 INFO L85 PathProgramCache]: Analyzing trace with hash -100855742, now seen corresponding path program 4 times [2024-04-05 05:51:19,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:51:19,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:51:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 05:51:20,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 05:51:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 05:51:20,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 05:51:20,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-05 05:51:20,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 05:51:20,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 05:51:20,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable9 [2024-04-05 05:51:20,211 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:51:20,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:51:20,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1620124764, now seen corresponding path program 4 times [2024-04-05 05:51:20,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:51:20,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928367063] [2024-04-05 05:51:20,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:51:20,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:51:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:51:24,935 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:51:24,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:51:24,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928367063] [2024-04-05 05:51:24,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928367063] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:51:24,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097340749] [2024-04-05 05:51:24,936 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 05:51:24,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:51:24,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:51:24,948 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) [2024-04-05 05:51:24,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 05:51:25,214 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 05:51:25,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:51:25,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 58 conjunts are in the unsatisfiable core [2024-04-05 05:51:25,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:51:29,094 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:51:29,095 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:52:37,931 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:52:37,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097340749] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:52:37,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:52:37,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 35, 34] total 91 [2024-04-05 05:52:37,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890588673] [2024-04-05 05:52:37,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:52:37,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-04-05 05:52:37,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:52:37,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-04-05 05:52:37,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1192, Invalid=6987, Unknown=11, NotChecked=0, Total=8190 [2024-04-05 05:52:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:52:37,936 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:52:37,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 2.6043956043956045) internal successors, (237), 91 states have internal predecessors, (237), 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) [2024-04-05 05:52:37,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 05:52:37,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-05 05:52:37,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 05:52:37,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 05:52:37,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:55:22,511 INFO L85 PathProgramCache]: Analyzing trace with hash -2089985208, now seen corresponding path program 5 times [2024-04-05 05:55:22,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:55:22,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:55:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 05:55:22,633 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 05:55:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 05:55:39,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1960441042, now seen corresponding path program 6 times [2024-04-05 05:55:39,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:55:39,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:55:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:55:52,093 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 235 proven. 108 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2024-04-05 05:55:52,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:55:52,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:55:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:56:02,747 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 235 proven. 108 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2024-04-05 05:56:03,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 05:56:03,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-05 05:56:03,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 05:56:03,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 05:56:03,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-05 05:56:03,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-05 05:56:03,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:56:03,365 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:56:03,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:56:03,366 INFO L85 PathProgramCache]: Analyzing trace with hash -329577378, now seen corresponding path program 5 times [2024-04-05 05:56:03,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:56:03,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194738903] [2024-04-05 05:56:03,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:56:03,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:56:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:56:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 175 proven. 146 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2024-04-05 05:56:12,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:56:12,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194738903] [2024-04-05 05:56:12,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194738903] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:56:12,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638331909] [2024-04-05 05:56:12,647 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 05:56:12,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:56:12,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:56:12,648 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) [2024-04-05 05:56:12,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 05:56:14,542 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-04-05 05:56:14,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:56:14,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-05 05:56:14,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:56:14,597 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 106 proven. 37 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2024-04-05 05:56:14,597 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:56:14,633 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-04-05 05:56:14,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638331909] provided 1 perfect and 1 imperfect interpolant sequences [2024-04-05 05:56:14,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-04-05 05:56:14,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 6] total 11 [2024-04-05 05:56:14,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906655749] [2024-04-05 05:56:14,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 05:56:14,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-05 05:56:14,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:56:14,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-05 05:56:14,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-04-05 05:56:14,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:56:14,635 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:56:14,635 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) [2024-04-05 05:56:14,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 05:56:14,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-05 05:56:14,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 05:56:14,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 05:56:14,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-05 05:56:14,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:56:14,883 INFO L85 PathProgramCache]: Analyzing trace with hash -2089985208, now seen corresponding path program 7 times [2024-04-05 05:56:14,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:56:14,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:56:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 05:56:14,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 05:56:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 05:56:20,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 05:56:20,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-05 05:56:20,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 05:56:20,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 05:56:20,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-04-05 05:56:20,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:56:20,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-05 05:56:20,458 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,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-04-05 05:56:20,458 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:56:20,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:56:20,459 INFO L85 PathProgramCache]: Analyzing trace with hash 290640766, now seen corresponding path program 6 times [2024-04-05 05:56:20,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:56:20,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822768769] [2024-04-05 05:56:20,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:56:20,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:56:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2024-04-05 06:05:21,511 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 [2024-04-05 06:05:21,515 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 [2024-04-05 06:05:21,518 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-05 06:05:21,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-04-05 06:05:21,519 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 ∧-4-2-10-2-8-2-8-2-9-3-9-3-9-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-9-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-6-3-6-2-6-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-33-4-8-6-8-6-9-6-9-3-9-5-12-7-12-7-12-7-12-7-12-7-12-7-12-7-12-7-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-3-12-3-9-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-6-3-6-2-6-1 context. [2024-04-05 06:05:21,520 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-05 06:05:21,521 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-05 06:05:21,530 INFO L445 BasicCegarLoop]: Path program histogram: [7, 6, 1, 1] [2024-04-05 06:05:21,532 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 06:05:21,532 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 06:05:21,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 06:05:21 BasicIcfg [2024-04-05 06:05:21,535 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 06:05:21,536 INFO L158 Benchmark]: Toolchain (without parser) took 855477.64ms. Allocated memory was 182.5MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 111.4MB in the beginning and 922.5MB in the end (delta: -811.1MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2024-04-05 06:05:21,536 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 182.5MB. Free memory was 146.4MB in the beginning and 146.3MB in the end (delta: 89.4kB). There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 06:05:21,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.06ms. Allocated memory was 182.5MB in the beginning and 271.6MB in the end (delta: 89.1MB). Free memory was 111.3MB in the beginning and 234.0MB in the end (delta: -122.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2024-04-05 06:05:21,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.28ms. Allocated memory is still 271.6MB. Free memory was 241.5MB in the beginning and 240.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 06:05:21,537 INFO L158 Benchmark]: Boogie Preprocessor took 26.37ms. Allocated memory is still 271.6MB. Free memory was 240.4MB in the beginning and 238.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 06:05:21,537 INFO L158 Benchmark]: RCFGBuilder took 413.71ms. Allocated memory is still 271.6MB. Free memory was 238.9MB in the beginning and 222.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-04-05 06:05:21,537 INFO L158 Benchmark]: TraceAbstraction took 854745.67ms. Allocated memory was 271.6MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 221.6MB in the beginning and 922.5MB in the end (delta: -700.9MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2024-04-05 06:05:21,538 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 182.5MB. Free memory was 146.4MB in the beginning and 146.3MB in the end (delta: 89.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 246.06ms. Allocated memory was 182.5MB in the beginning and 271.6MB in the end (delta: 89.1MB). Free memory was 111.3MB in the beginning and 234.0MB in the end (delta: -122.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.28ms. Allocated memory is still 271.6MB. Free memory was 241.5MB in the beginning and 240.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.37ms. Allocated memory is still 271.6MB. Free memory was 240.4MB in the beginning and 238.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 413.71ms. Allocated memory is still 271.6MB. Free memory was 238.9MB in the beginning and 222.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 854745.67ms. Allocated memory was 271.6MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 221.6MB in the beginning and 922.5MB in the end (delta: -700.9MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5029, independent: 3760, independent conditional: 3549, independent unconditional: 211, dependent: 1269, dependent conditional: 1139, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3865, independent: 3760, independent conditional: 3549, independent unconditional: 211, dependent: 105, dependent conditional: 99, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3865, independent: 3760, independent conditional: 3549, independent unconditional: 211, dependent: 105, dependent conditional: 99, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3865, independent: 3760, independent conditional: 3549, independent unconditional: 211, dependent: 105, dependent conditional: 99, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4198, independent: 3760, independent conditional: 721, independent unconditional: 3039, dependent: 438, dependent conditional: 216, dependent unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4198, independent: 3760, independent conditional: 681, independent unconditional: 3079, dependent: 438, dependent conditional: 162, dependent unconditional: 276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4198, independent: 3760, independent conditional: 681, independent unconditional: 3079, dependent: 438, dependent conditional: 162, dependent unconditional: 276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 190, independent: 158, independent conditional: 2, independent unconditional: 156, 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: 190, independent: 156, independent conditional: 0, independent unconditional: 156, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 34, independent: 2, independent conditional: 2, 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: 34, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 32, dependent conditional: 26, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 170, dependent conditional: 94, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4198, independent: 3602, independent conditional: 679, independent unconditional: 2923, dependent: 406, dependent conditional: 136, dependent unconditional: 270, unknown: 190, unknown conditional: 28, unknown unconditional: 162] , Statistics on independence cache: Total cache size (in pairs): 190, Positive cache size: 158, Positive conditional cache size: 2, Positive unconditional cache size: 156, 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: 94, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4198, independent: 3760, independent conditional: 721, independent unconditional: 3039, dependent: 438, dependent conditional: 216, dependent unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4198, independent: 3760, independent conditional: 681, independent unconditional: 3079, dependent: 438, dependent conditional: 162, dependent unconditional: 276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4198, independent: 3760, independent conditional: 681, independent unconditional: 3079, dependent: 438, dependent conditional: 162, dependent unconditional: 276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 190, independent: 158, independent conditional: 2, independent unconditional: 156, 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: 190, independent: 156, independent conditional: 0, independent unconditional: 156, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 34, independent: 2, independent conditional: 2, 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: 34, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 32, dependent conditional: 26, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 170, dependent conditional: 94, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4198, independent: 3602, independent conditional: 679, independent unconditional: 2923, dependent: 406, dependent conditional: 136, dependent unconditional: 270, unknown: 190, unknown conditional: 28, unknown unconditional: 162] , Statistics on independence cache: Total cache size (in pairs): 190, Positive cache size: 158, Positive conditional cache size: 2, Positive unconditional cache size: 156, 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: 94 ], Independence queries for same thread: 1164 - 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 ∧-4-2-10-2-8-2-8-2-9-3-9-3-9-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-9-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-6-3-6-2-6-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-33-4-8-6-8-6-9-6-9-3-9-5-12-7-12-7-12-7-12-7-12-7-12-7-12-7-12-7-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-3-12-3-9-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-6-3-6-2-6-1 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 ∧-4-2-10-2-8-2-8-2-9-3-9-3-9-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-9-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-6-3-6-2-6-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-33-4-8-6-8-6-9-6-9-3-9-5-12-7-12-7-12-7-12-7-12-7-12-7-12-7-12-7-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-3-12-3-9-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-6-3-6-2-6-1 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 ∧-4-2-10-2-8-2-8-2-9-3-9-3-9-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-12-3-9-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-6-3-6-2-6-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-33-4-8-6-8-6-9-6-9-3-9-5-12-7-12-7-12-7-12-7-12-7-12-7-12-7-12-7-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-3-12-3-9-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-6-3-6-2-6-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 98 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 854.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 215.9s, 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: 204, 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, 2.7s SatisfiabilityAnalysisTime, 93.6s InterpolantComputationTime, 1012 NumberOfCodeBlocks, 1012 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1421 ConstructedInterpolants, 0 QuantifiedInterpolants, 17634 SizeOfPredicates, 50 NumberOfNonLiveVariables, 859 ConjunctsInSsa, 109 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 2091/2556 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