/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-fffa3fa-m [2023-09-05 00:00:49,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-05 00:00:49,927 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-05 00:00:49,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-05 00:00:49,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-05 00:00:49,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-05 00:00:49,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-05 00:00:49,962 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-05 00:00:49,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-05 00:00:49,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-05 00:00:49,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-05 00:00:49,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-05 00:00:49,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-05 00:00:49,969 INFO L153 SettingsManager]: * Use SBE=true [2023-09-05 00:00:49,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-05 00:00:49,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-05 00:00:49,970 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-05 00:00:49,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-05 00:00:49,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-05 00:00:49,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-05 00:00:49,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-05 00:00:49,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-05 00:00:49,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-05 00:00:49,971 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-05 00:00:49,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-05 00:00:49,973 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-05 00:00:49,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-05 00:00:49,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-05 00:00:49,974 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-05 00:00:49,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-05 00:00:49,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-05 00:00:49,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-05 00:00:49,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-05 00:00:49,975 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-05 00:00:49,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-05 00:00:49,975 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-05 00:00:49,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-05 00:00:49,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-05 00:00:49,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-05 00:00:49,976 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-05 00:00:49,976 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-05 00:00:49,976 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-05 00:00:50,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-05 00:00:50,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-05 00:00:50,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-05 00:00:50,199 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-05 00:00:50,199 INFO L274 PluginConnector]: CDTParser initialized [2023-09-05 00:00:50,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-09-05 00:00:51,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-05 00:00:51,772 INFO L384 CDTParser]: Found 1 translation units. [2023-09-05 00:00:51,772 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-09-05 00:00:51,780 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b1d2300a/b6d33a98cff3417eb9c3194408cc13ed/FLAGf77c6d2cd [2023-09-05 00:00:51,796 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b1d2300a/b6d33a98cff3417eb9c3194408cc13ed [2023-09-05 00:00:51,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-05 00:00:51,803 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-05 00:00:51,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-05 00:00:51,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-05 00:00:51,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-05 00:00:51,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 12:00:51" (1/1) ... [2023-09-05 00:00:51,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@202e94ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:00:51, skipping insertion in model container [2023-09-05 00:00:51,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 12:00:51" (1/1) ... [2023-09-05 00:00:51,831 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-09-05 00:00:51,959 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-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2023-09-05 00:00:51,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-05 00:00:51,968 INFO L201 MainTranslator]: Completed pre-run [2023-09-05 00:00:51,989 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-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2023-09-05 00:00:51,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-05 00:00:52,000 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-05 00:00:52,000 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-05 00:00:52,008 INFO L206 MainTranslator]: Completed translation [2023-09-05 00:00:52,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:00:52 WrapperNode [2023-09-05 00:00:52,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-05 00:00:52,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-05 00:00:52,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-05 00:00:52,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-05 00:00:52,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:00:52" (1/1) ... [2023-09-05 00:00:52,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:00:52" (1/1) ... [2023-09-05 00:00:52,047 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-09-05 00:00:52,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-05 00:00:52,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-05 00:00:52,048 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-05 00:00:52,048 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-05 00:00:52,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:00:52" (1/1) ... [2023-09-05 00:00:52,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:00:52" (1/1) ... [2023-09-05 00:00:52,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:00:52" (1/1) ... [2023-09-05 00:00:52,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:00:52" (1/1) ... [2023-09-05 00:00:52,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:00:52" (1/1) ... [2023-09-05 00:00:52,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:00:52" (1/1) ... [2023-09-05 00:00:52,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:00:52" (1/1) ... [2023-09-05 00:00:52,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:00:52" (1/1) ... [2023-09-05 00:00:52,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-05 00:00:52,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-05 00:00:52,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-05 00:00:52,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-05 00:00:52,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:00:52" (1/1) ... [2023-09-05 00:00:52,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-05 00:00:52,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:00:52,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-05 00:00:52,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-05 00:00:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-05 00:00:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-05 00:00:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-05 00:00:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-05 00:00:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-05 00:00:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-05 00:00:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-05 00:00:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-05 00:00:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-05 00:00:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-05 00:00:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-05 00:00:52,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-05 00:00:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-05 00:00:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-05 00:00:52,166 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-05 00:00:52,272 INFO L236 CfgBuilder]: Building ICFG [2023-09-05 00:00:52,274 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-05 00:00:52,470 INFO L277 CfgBuilder]: Performing block encoding [2023-09-05 00:00:52,495 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-05 00:00:52,495 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-09-05 00:00:52,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 12:00:52 BoogieIcfgContainer [2023-09-05 00:00:52,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-05 00:00:52,499 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-05 00:00:52,499 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-05 00:00:52,502 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-05 00:00:52,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.09 12:00:51" (1/3) ... [2023-09-05 00:00:52,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45279282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.09 12:00:52, skipping insertion in model container [2023-09-05 00:00:52,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:00:52" (2/3) ... [2023-09-05 00:00:52,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45279282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.09 12:00:52, skipping insertion in model container [2023-09-05 00:00:52,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 12:00:52" (3/3) ... [2023-09-05 00:00:52,505 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-nonblocking-counter-alt2.wvr.c [2023-09-05 00:00:52,511 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-05 00:00:52,519 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-05 00:00:52,520 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-05 00:00:52,520 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-05 00:00:52,594 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-05 00:00:52,631 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-05 00:00:52,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-05 00:00:52,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:00:52,647 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-05 00:00:52,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-05 00:00:52,684 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-05 00:00:52,691 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-05 00:00:52,696 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=LoopsAndPotentialCycles, 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;@3f2b2b7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-05 00:00:52,696 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. Found a loop, use abstraction hammer [2023-09-05 00:00:52,758 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:00:52,762 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:00:52,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1174522795, now seen corresponding path program 1 times [2023-09-05 00:00:52,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:00:52,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030668398] [2023-09-05 00:00:52,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:00:52,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:00:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:00:52,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:00:52,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:00:52,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030668398] [2023-09-05 00:00:52,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030668398] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-05 00:00:52,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-05 00:00:52,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-05 00:00:52,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048170863] [2023-09-05 00:00:52,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-05 00:00:52,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-05 00:00:52,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:00:53,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-05 00:00:53,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-05 00:00:53,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:00:53,015 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:00:53,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 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) [2023-09-05 00:00:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:00:53,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:00:53,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-05 00:00:53,081 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:00:53,083 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:00:53,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1222768696, now seen corresponding path program 1 times [2023-09-05 00:00:53,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:00:53,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488375764] [2023-09-05 00:00:53,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:00:53,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:00:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:00:53,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:00:53,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:00:53,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488375764] [2023-09-05 00:00:53,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488375764] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:00:53,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656640850] [2023-09-05 00:00:53,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:00:53,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:00:53,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:00:53,499 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:00:53,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-05 00:00:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:00:53,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjunts are in the unsatisfiable core [2023-09-05 00:00:53,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:00:53,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:00:53,666 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:00:53,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:00:53,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656640850] provided 1 perfect and 1 imperfect interpolant sequences [2023-09-05 00:00:53,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-09-05 00:00:53,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 7 [2023-09-05 00:00:53,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299127331] [2023-09-05 00:00:53,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-05 00:00:53,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-05 00:00:53,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:00:53,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-05 00:00:53,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-09-05 00:00:53,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:00:53,734 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:00:53,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2023-09-05 00:00:53,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:00:53,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:00:53,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:00:53,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-05 00:00:53,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-05 00:00:53,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-09-05 00:00:54,000 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:00:54,000 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:00:54,001 INFO L85 PathProgramCache]: Analyzing trace with hash -930376618, now seen corresponding path program 1 times [2023-09-05 00:00:54,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:00:54,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121693047] [2023-09-05 00:00:54,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:00:54,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:00:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:00:54,474 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:00:54,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:00:54,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121693047] [2023-09-05 00:00:54,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121693047] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:00:54,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696420119] [2023-09-05 00:00:54,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:00:54,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:00:54,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:00:54,514 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:00:54,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-05 00:00:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:00:54,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 16 conjunts are in the unsatisfiable core [2023-09-05 00:00:54,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:00:54,845 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:00:54,846 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:00:55,143 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:00:55,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696420119] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:00:55,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:00:55,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 11] total 19 [2023-09-05 00:00:55,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223378848] [2023-09-05 00:00:55,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:00:55,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-09-05 00:00:55,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:00:55,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-09-05 00:00:55,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-09-05 00:00:55,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:00:55,146 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:00:55,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.0) internal successors, (95), 19 states have internal predecessors, (95), 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) [2023-09-05 00:00:55,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:00:55,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-05 00:00:55,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:00:56,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:00:56,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-05 00:00:56,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:00:56,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-09-05 00:00:56,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:00:56,284 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:00:56,284 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:00:56,284 INFO L85 PathProgramCache]: Analyzing trace with hash -645620418, now seen corresponding path program 2 times [2023-09-05 00:00:56,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:00:56,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657562102] [2023-09-05 00:00:56,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:00:56,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:00:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:00:56,908 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:00:56,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:00:56,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657562102] [2023-09-05 00:00:56,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657562102] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:00:56,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918014864] [2023-09-05 00:00:56,909 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-05 00:00:56,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:00:56,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:00:56,911 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:00:56,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-05 00:00:57,032 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-05 00:00:57,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:00:57,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 18 conjunts are in the unsatisfiable core [2023-09-05 00:00:57,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:00:57,374 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:00:57,374 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:00:57,994 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 5 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:00:57,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918014864] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:00:57,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:00:57,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 13] total 29 [2023-09-05 00:00:57,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994578123] [2023-09-05 00:00:57,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:00:57,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-09-05 00:00:57,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:00:57,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-09-05 00:00:57,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2023-09-05 00:00:57,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:00:57,997 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:00:57,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.275862068965517) internal successors, (153), 29 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-05 00:00:57,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:00:57,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-05 00:00:57,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:00:57,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:01:00,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:00,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-05 00:01:00,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:01:00,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-05 00:01:00,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-05 00:01:00,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:01:00,476 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:01:00,476 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:01:00,477 INFO L85 PathProgramCache]: Analyzing trace with hash -662360837, now seen corresponding path program 3 times [2023-09-05 00:01:00,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:01:00,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855162374] [2023-09-05 00:01:00,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:01:00,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:01:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:01:01,829 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:01:01,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:01:01,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855162374] [2023-09-05 00:01:01,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855162374] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:01:01,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226630648] [2023-09-05 00:01:01,830 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-05 00:01:01,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:01:01,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:01:01,846 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:01:01,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-09-05 00:01:02,095 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-09-05 00:01:02,095 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:01:02,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 30 conjunts are in the unsatisfiable core [2023-09-05 00:01:02,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:01:03,678 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 69 proven. 34 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-09-05 00:01:03,678 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:01:05,419 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 69 proven. 34 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-09-05 00:01:05,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226630648] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:01:05,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:01:05,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17, 20] total 54 [2023-09-05 00:01:05,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802963453] [2023-09-05 00:01:05,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:01:05,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-09-05 00:01:05,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:01:05,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-09-05 00:01:05,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=338, Invalid=2524, Unknown=0, NotChecked=0, Total=2862 [2023-09-05 00:01:05,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:05,424 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:01:05,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.3703703703703702) internal successors, (182), 54 states have internal predecessors, (182), 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) [2023-09-05 00:01:05,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:05,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-05 00:01:05,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:01:05,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-05 00:01:05,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:01:20,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:20,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-05 00:01:20,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:01:20,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-05 00:01:20,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-09-05 00:01:21,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-09-05 00:01:21,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:01:21,197 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:01:21,198 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:01:21,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1106412411, now seen corresponding path program 4 times [2023-09-05 00:01:21,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:01:21,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086048185] [2023-09-05 00:01:21,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:01:21,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:01:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:01:22,343 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 250 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-09-05 00:01:22,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:01:22,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086048185] [2023-09-05 00:01:22,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086048185] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:01:22,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939931203] [2023-09-05 00:01:22,344 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-05 00:01:22,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:01:22,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:01:22,346 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:01:22,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-09-05 00:01:22,567 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-05 00:01:22,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:01:22,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 28 conjunts are in the unsatisfiable core [2023-09-05 00:01:22,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:01:23,207 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 80 proven. 170 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-09-05 00:01:23,207 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:01:24,314 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 45 proven. 205 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-09-05 00:01:24,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939931203] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:01:24,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:01:24,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 19] total 39 [2023-09-05 00:01:24,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216248878] [2023-09-05 00:01:24,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:01:24,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-09-05 00:01:24,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:01:24,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-09-05 00:01:24,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1283, Unknown=0, NotChecked=0, Total=1482 [2023-09-05 00:01:24,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:24,317 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:01:24,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.410256410256411) internal successors, (172), 39 states have internal predecessors, (172), 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) [2023-09-05 00:01:24,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:24,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-05 00:01:24,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:01:24,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-05 00:01:24,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2023-09-05 00:01:24,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:01:29,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:29,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-05 00:01:29,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:01:29,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:01:29,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-09-05 00:01:29,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-09-05 00:01:29,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-09-05 00:01:29,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:01:29,925 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:01:29,926 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:01:29,926 INFO L85 PathProgramCache]: Analyzing trace with hash 188127326, now seen corresponding path program 5 times [2023-09-05 00:01:29,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:01:29,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546253243] [2023-09-05 00:01:29,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:01:29,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:01:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:01:32,984 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 419 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:01:32,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:01:32,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546253243] [2023-09-05 00:01:32,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546253243] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:01:32,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863137645] [2023-09-05 00:01:32,985 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-05 00:01:32,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:01:32,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:01:32,986 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:01:33,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-09-05 00:01:35,802 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2023-09-05 00:01:35,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:01:35,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 30 conjunts are in the unsatisfiable core [2023-09-05 00:01:35,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:01:37,117 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 90 proven. 299 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-09-05 00:01:37,117 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:01:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 60 proven. 329 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-09-05 00:01:39,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863137645] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:01:39,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:01:39,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 20, 21] total 65 [2023-09-05 00:01:39,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941846852] [2023-09-05 00:01:39,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:01:39,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-09-05 00:01:39,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:01:39,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-09-05 00:01:39,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=475, Invalid=3685, Unknown=0, NotChecked=0, Total=4160 [2023-09-05 00:01:39,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:39,869 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:01:39,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 4.076923076923077) internal successors, (265), 65 states have internal predecessors, (265), 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) [2023-09-05 00:01:39,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:39,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-05 00:01:39,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:01:39,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:01:39,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-09-05 00:01:39,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2023-09-05 00:01:39,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:01:51,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:51,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-05 00:01:51,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:01:51,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:01:51,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-09-05 00:01:51,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-09-05 00:01:51,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-09-05 00:01:51,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-09-05 00:01:52,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:01:52,021 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:01:52,021 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:01:52,022 INFO L85 PathProgramCache]: Analyzing trace with hash 2039574555, now seen corresponding path program 6 times [2023-09-05 00:01:52,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:01:52,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320635046] [2023-09-05 00:01:52,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:01:52,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:01:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:02:38,893 WARN L234 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-05 00:03:04,196 WARN L234 SmtUtils]: Spent 8.81s on a formula simplification. DAG size of input: 66 DAG size of output: 52 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-05 00:03:25,848 WARN L234 SmtUtils]: Spent 6.56s on a formula simplification. DAG size of input: 67 DAG size of output: 52 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-05 00:03:53,738 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 0 proven. 565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:03:53,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:03:53,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320635046] [2023-09-05 00:03:53,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320635046] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:03:53,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112116629] [2023-09-05 00:03:53,739 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-05 00:03:53,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:03:53,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:03:53,741 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:03:53,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-09-05 00:03:55,054 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2023-09-05 00:03:55,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:03:55,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 43 conjunts are in the unsatisfiable core [2023-09-05 00:03:55,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:04:11,321 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 120 proven. 400 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-09-05 00:04:11,321 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:04:21,968 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 20 proven. 500 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-09-05 00:04:21,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112116629] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:04:21,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:04:21,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 24, 27] total 101 [2023-09-05 00:04:21,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51587023] [2023-09-05 00:04:21,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:04:21,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2023-09-05 00:04:21,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:04:21,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2023-09-05 00:04:21,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=692, Invalid=9398, Unknown=10, NotChecked=0, Total=10100 [2023-09-05 00:04:21,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:04:21,973 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:04:21,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 3.108910891089109) internal successors, (314), 101 states have internal predecessors, (314), 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) [2023-09-05 00:04:21,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:04:21,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-05 00:04:21,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:04:21,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:04:21,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-09-05 00:04:21,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2023-09-05 00:04:21,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2023-09-05 00:04:21,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer [2023-09-05 00:04:28,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-09-05 00:05:06,710 WARN L234 SmtUtils]: Spent 24.83s on a formula simplification. DAG size of input: 89 DAG size of output: 63 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-09-05 00:05:13,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-09-05 00:05:13,776 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-05 00:05:13,785 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-05 00:05:13,789 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2023-09-05 00:05:13,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-09-05 00:05:13,967 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 137 known predicates. [2023-09-05 00:05:13,969 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-09-05 00:05:13,969 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-09-05 00:05:13,969 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-09-05 00:05:13,972 INFO L445 BasicCegarLoop]: Path program histogram: [6, 1, 1] [2023-09-05 00:05:13,975 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-05 00:05:13,975 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-05 00:05:13,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.09 12:05:13 BasicIcfg [2023-09-05 00:05:13,977 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-05 00:05:13,977 INFO L158 Benchmark]: Toolchain (without parser) took 262174.26ms. Allocated memory was 324.0MB in the beginning and 588.3MB in the end (delta: 264.2MB). Free memory was 275.8MB in the beginning and 345.0MB in the end (delta: -69.2MB). Peak memory consumption was 196.1MB. Max. memory is 7.0GB. [2023-09-05 00:05:13,977 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 180.4MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-05 00:05:13,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.11ms. Allocated memory is still 324.0MB. Free memory was 275.8MB in the beginning and 264.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 7.0GB. [2023-09-05 00:05:13,978 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.34ms. Allocated memory is still 324.0MB. Free memory was 264.8MB in the beginning and 263.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-05 00:05:13,978 INFO L158 Benchmark]: Boogie Preprocessor took 19.47ms. Allocated memory is still 324.0MB. Free memory was 263.2MB in the beginning and 262.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-05 00:05:13,978 INFO L158 Benchmark]: RCFGBuilder took 428.71ms. Allocated memory is still 324.0MB. Free memory was 262.2MB in the beginning and 247.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 7.0GB. [2023-09-05 00:05:13,978 INFO L158 Benchmark]: TraceAbstraction took 261477.48ms. Allocated memory was 324.0MB in the beginning and 588.3MB in the end (delta: 264.2MB). Free memory was 246.4MB in the beginning and 345.0MB in the end (delta: -98.5MB). Peak memory consumption was 166.7MB. Max. memory is 7.0GB. [2023-09-05 00:05:13,983 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 180.4MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 205.11ms. Allocated memory is still 324.0MB. Free memory was 275.8MB in the beginning and 264.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 35.34ms. Allocated memory is still 324.0MB. Free memory was 264.8MB in the beginning and 263.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 19.47ms. Allocated memory is still 324.0MB. Free memory was 263.2MB in the beginning and 262.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * RCFGBuilder took 428.71ms. Allocated memory is still 324.0MB. Free memory was 262.2MB in the beginning and 247.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 7.0GB. * TraceAbstraction took 261477.48ms. Allocated memory was 324.0MB in the beginning and 588.3MB in the end (delta: 264.2MB). Free memory was 246.4MB in the beginning and 345.0MB in the end (delta: -98.5MB). Peak memory consumption was 166.7MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 208, independent: 147, independent conditional: 147, independent unconditional: 0, dependent: 61, dependent conditional: 61, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 161, independent: 147, independent conditional: 147, independent unconditional: 0, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 161, independent: 147, independent conditional: 147, independent unconditional: 0, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 237, independent: 147, independent conditional: 0, independent unconditional: 147, dependent: 90, dependent conditional: 76, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 237, independent: 147, independent conditional: 0, independent unconditional: 147, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 237, independent: 147, independent conditional: 0, independent unconditional: 147, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 161, independent: 147, independent conditional: 0, independent unconditional: 147, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 161, independent: 147, independent conditional: 0, independent unconditional: 147, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 237, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 161, unknown conditional: 0, unknown unconditional: 161] , Statistics on independence cache: Total cache size (in pairs): 161, Positive cache size: 147, Positive conditional cache size: 0, Positive unconditional cache size: 147, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 76, Maximal queried relation: 7, Independence queries for same thread: 47 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 28 - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 137 known predicates. - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 137 known predicates. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 137 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 93 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 261.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 88.1s, 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: 431, 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, 5.0s SatisfiabilityAnalysisTime, 165.8s InterpolantComputationTime, 1469 NumberOfCodeBlocks, 1459 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 2152 ConstructedInterpolants, 0 QuantifiedInterpolants, 25708 SizeOfPredicates, 110 NumberOfNonLiveVariables, 1418 ConjunctsInSsa, 171 ConjunctsInUnsatCore, 22 InterpolantComputations, 2 PerfectInterpolantSequences, 890/4404 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