/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-9d61ce8-m [2023-09-06 19:36:41,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-06 19:36:41,634 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-06 19:36:41,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-06 19:36:41,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-06 19:36:41,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-06 19:36:41,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-06 19:36:41,671 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-06 19:36:41,671 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-06 19:36:41,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-06 19:36:41,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-06 19:36:41,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-06 19:36:41,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-06 19:36:41,676 INFO L153 SettingsManager]: * Use SBE=true [2023-09-06 19:36:41,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-06 19:36:41,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-06 19:36:41,677 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-06 19:36:41,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-06 19:36:41,677 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-06 19:36:41,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-06 19:36:41,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-06 19:36:41,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-06 19:36:41,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-06 19:36:41,678 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-06 19:36:41,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-06 19:36:41,678 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-06 19:36:41,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-06 19:36:41,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-06 19:36:41,679 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-06 19:36:41,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-06 19:36:41,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-06 19:36:41,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-06 19:36:41,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-06 19:36:41,680 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-06 19:36:41,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-06 19:36:41,680 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-06 19:36:41,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-06 19:36:41,681 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-06 19:36:41,681 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-06 19:36:41,681 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-06 19:36:41,681 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-06 19:36:41,681 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-06 19:36:41,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-06 19:36:41,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-06 19:36:41,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-06 19:36:41,877 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-06 19:36:41,877 INFO L274 PluginConnector]: CDTParser initialized [2023-09-06 19:36:41,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-09-06 19:36:42,931 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-06 19:36:43,081 INFO L384 CDTParser]: Found 1 translation units. [2023-09-06 19:36:43,081 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-09-06 19:36:43,088 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eaa38696/16b1fb398b3f48d1aa5bffc371f64a04/FLAG52c896012 [2023-09-06 19:36:43,100 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eaa38696/16b1fb398b3f48d1aa5bffc371f64a04 [2023-09-06 19:36:43,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-06 19:36:43,106 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-06 19:36:43,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-06 19:36:43,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-06 19:36:43,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-06 19:36:43,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 07:36:43" (1/1) ... [2023-09-06 19:36:43,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ff43d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:36:43, skipping insertion in model container [2023-09-06 19:36:43,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 07:36:43" (1/1) ... [2023-09-06 19:36:43,128 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-06 19:36:43,226 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] [2023-09-06 19:36:43,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-06 19:36:43,234 INFO L202 MainTranslator]: Completed pre-run [2023-09-06 19:36:43,246 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] [2023-09-06 19:36:43,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-06 19:36:43,252 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-06 19:36:43,252 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-06 19:36:43,256 INFO L206 MainTranslator]: Completed translation [2023-09-06 19:36:43,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:36:43 WrapperNode [2023-09-06 19:36:43,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-06 19:36:43,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-06 19:36:43,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-06 19:36:43,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-06 19:36:43,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:36:43" (1/1) ... [2023-09-06 19:36:43,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:36:43" (1/1) ... [2023-09-06 19:36:43,278 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-09-06 19:36:43,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-06 19:36:43,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-06 19:36:43,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-06 19:36:43,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-06 19:36:43,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:36:43" (1/1) ... [2023-09-06 19:36:43,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:36:43" (1/1) ... [2023-09-06 19:36:43,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:36:43" (1/1) ... [2023-09-06 19:36:43,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:36:43" (1/1) ... [2023-09-06 19:36:43,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:36:43" (1/1) ... [2023-09-06 19:36:43,291 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:36:43" (1/1) ... [2023-09-06 19:36:43,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:36:43" (1/1) ... [2023-09-06 19:36:43,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:36:43" (1/1) ... [2023-09-06 19:36:43,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-06 19:36:43,295 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-06 19:36:43,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-06 19:36:43,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-06 19:36:43,296 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:36:43" (1/1) ... [2023-09-06 19:36:43,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-06 19:36:43,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-06 19:36:43,316 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) [2023-09-06 19:36:43,331 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 [2023-09-06 19:36:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-06 19:36:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-06 19:36:43,345 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-06 19:36:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-06 19:36:43,346 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-06 19:36:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-06 19:36:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-06 19:36:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-06 19:36:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-06 19:36:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-06 19:36:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-06 19:36:43,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-06 19:36:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-06 19:36:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-06 19:36:43,347 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-06 19:36:43,405 INFO L236 CfgBuilder]: Building ICFG [2023-09-06 19:36:43,406 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-06 19:36:43,509 INFO L277 CfgBuilder]: Performing block encoding [2023-09-06 19:36:43,529 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-06 19:36:43,529 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-09-06 19:36:43,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 07:36:43 BoogieIcfgContainer [2023-09-06 19:36:43,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-06 19:36:43,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-06 19:36:43,532 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-06 19:36:43,534 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-06 19:36:43,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.09 07:36:43" (1/3) ... [2023-09-06 19:36:43,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643f6e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.09 07:36:43, skipping insertion in model container [2023-09-06 19:36:43,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:36:43" (2/3) ... [2023-09-06 19:36:43,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643f6e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.09 07:36:43, skipping insertion in model container [2023-09-06 19:36:43,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 07:36:43" (3/3) ... [2023-09-06 19:36:43,546 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-nonblocking-counter-alt2.wvr.c [2023-09-06 19:36:43,551 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-06 19:36:43,557 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-06 19:36:43,557 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-06 19:36:43,557 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-06 19:36:43,601 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-06 19:36:43,633 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-06 19:36:43,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-06 19:36:43,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-06 19:36:43,635 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) [2023-09-06 19:36:43,636 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 [2023-09-06 19:36:43,701 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-06 19:36:43,707 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-06 19:36:43,711 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;@1fdaa858, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-06 19:36:43,712 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. Found a loop, use abstraction hammer [2023-09-06 19:36:43,788 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-06 19:36:43,792 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-06 19:36:43,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1174522795, now seen corresponding path program 1 times [2023-09-06 19:36:43,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-06 19:36:43,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580985334] [2023-09-06 19:36:43,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-06 19:36:43,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-06 19:36:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-06 19:36:43,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-06 19:36:43,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-06 19:36:43,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580985334] [2023-09-06 19:36:43,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580985334] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-06 19:36:43,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-06 19:36:43,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-06 19:36:43,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637421784] [2023-09-06 19:36:43,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-06 19:36:43,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-06 19:36:43,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-06 19:36:43,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-06 19:36:43,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-06 19:36:43,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:36:43,958 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-06 19:36:43,959 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) [2023-09-06 19:36:43,959 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 [2023-09-06 19:36:43,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:36:43,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-06 19:36:43,991 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-06 19:36:43,991 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-06 19:36:43,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1222768696, now seen corresponding path program 1 times [2023-09-06 19:36:43,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-06 19:36:43,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673696859] [2023-09-06 19:36:43,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-06 19:36:43,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-06 19:36:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-06 19:36:44,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-06 19:36:44,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-06 19:36:44,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673696859] [2023-09-06 19:36:44,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673696859] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-06 19:36:44,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269961526] [2023-09-06 19:36:44,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-06 19:36:44,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-06 19:36:44,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-06 19:36:44,351 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) [2023-09-06 19:36:44,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-06 19:36:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-06 19:36:44,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjunts are in the unsatisfiable core [2023-09-06 19:36:44,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-06 19:36:44,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-06 19:36:44,553 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-06 19:36:44,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-06 19:36:44,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269961526] provided 1 perfect and 1 imperfect interpolant sequences [2023-09-06 19:36:44,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-09-06 19:36:44,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 7 [2023-09-06 19:36:44,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162954499] [2023-09-06 19:36:44,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-06 19:36:44,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-06 19:36:44,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-06 19:36:44,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-06 19:36:44,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-09-06 19:36:44,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:36:44,629 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-06 19:36:44,629 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) [2023-09-06 19:36:44,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:36:44,629 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 [2023-09-06 19:36:44,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:36:44,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-06 19:36:44,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-09-06 19:36:44,893 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 [2023-09-06 19:36:44,894 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-06 19:36:44,894 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-06 19:36:44,894 INFO L85 PathProgramCache]: Analyzing trace with hash -930376618, now seen corresponding path program 1 times [2023-09-06 19:36:44,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-06 19:36:44,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689964688] [2023-09-06 19:36:44,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-06 19:36:44,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-06 19:36:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-06 19:36:45,197 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-06 19:36:45,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-06 19:36:45,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689964688] [2023-09-06 19:36:45,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689964688] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-06 19:36:45,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758794555] [2023-09-06 19:36:45,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-06 19:36:45,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-06 19:36:45,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-06 19:36:45,199 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) [2023-09-06 19:36:45,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-06 19:36:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-06 19:36:45,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 16 conjunts are in the unsatisfiable core [2023-09-06 19:36:45,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-06 19:36:45,405 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-06 19:36:45,405 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-06 19:36:45,632 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-06 19:36:45,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758794555] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-06 19:36:45,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-06 19:36:45,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 11] total 19 [2023-09-06 19:36:45,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090744967] [2023-09-06 19:36:45,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-06 19:36:45,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-09-06 19:36:45,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-06 19:36:45,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-09-06 19:36:45,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-09-06 19:36:45,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:36:45,640 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-06 19:36:45,641 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) [2023-09-06 19:36:45,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:36:45,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-06 19:36:45,641 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 [2023-09-06 19:36:46,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:36:46,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-06 19:36:46,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-06 19:36:46,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-09-06 19:36:46,598 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 [2023-09-06 19:36:46,599 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-06 19:36:46,600 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-06 19:36:46,600 INFO L85 PathProgramCache]: Analyzing trace with hash -645620418, now seen corresponding path program 2 times [2023-09-06 19:36:46,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-06 19:36:46,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832897746] [2023-09-06 19:36:46,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-06 19:36:46,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-06 19:36:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-06 19:36:47,179 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-06 19:36:47,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-06 19:36:47,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832897746] [2023-09-06 19:36:47,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832897746] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-06 19:36:47,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013189753] [2023-09-06 19:36:47,179 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-06 19:36:47,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-06 19:36:47,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-06 19:36:47,181 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) [2023-09-06 19:36:47,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-06 19:36:47,258 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-06 19:36:47,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-06 19:36:47,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 18 conjunts are in the unsatisfiable core [2023-09-06 19:36:47,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-06 19:36:47,592 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-06 19:36:47,592 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-06 19:36:48,286 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 5 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-06 19:36:48,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013189753] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-06 19:36:48,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-06 19:36:48,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 13] total 29 [2023-09-06 19:36:48,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470704912] [2023-09-06 19:36:48,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-06 19:36:48,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-09-06 19:36:48,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-06 19:36:48,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-09-06 19:36:48,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2023-09-06 19:36:48,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:36:48,289 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-06 19:36:48,289 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) [2023-09-06 19:36:48,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:36:48,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-06 19:36:48,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-06 19:36:48,289 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 [2023-09-06 19:36:50,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:36:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-06 19:36:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-06 19:36:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-06 19:36:50,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-09-06 19:36:50,981 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 [2023-09-06 19:36:50,982 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-06 19:36:50,982 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-06 19:36:50,982 INFO L85 PathProgramCache]: Analyzing trace with hash -662360837, now seen corresponding path program 3 times [2023-09-06 19:36:50,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-06 19:36:50,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002424947] [2023-09-06 19:36:50,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-06 19:36:50,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-06 19:36:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-06 19:36:52,075 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-06 19:36:52,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-06 19:36:52,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002424947] [2023-09-06 19:36:52,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002424947] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-06 19:36:52,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910104956] [2023-09-06 19:36:52,076 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-06 19:36:52,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-06 19:36:52,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-06 19:36:52,077 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) [2023-09-06 19:36:52,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-09-06 19:36:52,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-09-06 19:36:52,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-06 19:36:52,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 30 conjunts are in the unsatisfiable core [2023-09-06 19:36:52,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-06 19:36:54,231 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 69 proven. 34 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-09-06 19:36:54,231 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-06 19:36:56,309 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 69 proven. 34 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-09-06 19:36:56,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910104956] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-06 19:36:56,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-06 19:36:56,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17, 20] total 54 [2023-09-06 19:36:56,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355986320] [2023-09-06 19:36:56,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-06 19:36:56,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-09-06 19:36:56,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-06 19:36:56,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-09-06 19:36:56,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=338, Invalid=2524, Unknown=0, NotChecked=0, Total=2862 [2023-09-06 19:36:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:36:56,312 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-06 19:36:56,312 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) [2023-09-06 19:36:56,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:36:56,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-06 19:36:56,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-06 19:36:56,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-06 19:36:56,313 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 [2023-09-06 19:37:10,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:37:10,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-06 19:37:10,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-06 19:37:10,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-06 19:37:10,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-09-06 19:37:10,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-09-06 19:37:10,301 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 [2023-09-06 19:37:10,302 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-06 19:37:10,302 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-06 19:37:10,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1106412411, now seen corresponding path program 4 times [2023-09-06 19:37:10,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-06 19:37:10,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027443241] [2023-09-06 19:37:10,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-06 19:37:10,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-06 19:37:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-06 19:37:11,223 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 250 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-09-06 19:37:11,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-06 19:37:11,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027443241] [2023-09-06 19:37:11,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027443241] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-06 19:37:11,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631881153] [2023-09-06 19:37:11,224 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-06 19:37:11,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-06 19:37:11,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-06 19:37:11,240 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) [2023-09-06 19:37:11,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-09-06 19:37:11,397 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-06 19:37:11,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-06 19:37:11,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 28 conjunts are in the unsatisfiable core [2023-09-06 19:37:11,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-06 19:37:11,938 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 80 proven. 170 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-09-06 19:37:11,938 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-06 19:37:12,897 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 45 proven. 205 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-09-06 19:37:12,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631881153] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-06 19:37:12,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-06 19:37:12,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 19] total 39 [2023-09-06 19:37:12,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55788420] [2023-09-06 19:37:12,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-06 19:37:12,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-09-06 19:37:12,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-06 19:37:12,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-09-06 19:37:12,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1283, Unknown=0, NotChecked=0, Total=1482 [2023-09-06 19:37:12,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:37:12,899 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-06 19:37:12,899 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) [2023-09-06 19:37:12,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:37:12,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-06 19:37:12,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-06 19:37:12,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-06 19:37:12,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2023-09-06 19:37:12,900 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 [2023-09-06 19:37:16,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:37:16,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-06 19:37:16,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-06 19:37:16,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-09-06 19:37:16,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-09-06 19:37:16,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-09-06 19:37:16,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-09-06 19:37:16,618 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 [2023-09-06 19:37:16,619 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-06 19:37:16,619 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-06 19:37:16,619 INFO L85 PathProgramCache]: Analyzing trace with hash 188127326, now seen corresponding path program 5 times [2023-09-06 19:37:16,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-06 19:37:16,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804859330] [2023-09-06 19:37:16,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-06 19:37:16,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-06 19:37:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-06 19:37:18,749 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 419 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-06 19:37:18,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-06 19:37:18,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804859330] [2023-09-06 19:37:18,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804859330] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-06 19:37:18,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768606215] [2023-09-06 19:37:18,750 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-06 19:37:18,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-06 19:37:18,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-06 19:37:18,751 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) [2023-09-06 19:37:18,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-09-06 19:37:20,772 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2023-09-06 19:37:20,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-06 19:37:20,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 30 conjunts are in the unsatisfiable core [2023-09-06 19:37:20,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-06 19:37:21,656 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 90 proven. 299 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-09-06 19:37:21,656 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-06 19:37:28,532 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 60 proven. 329 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-09-06 19:37:28,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768606215] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-06 19:37:28,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-06 19:37:28,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 20, 21] total 65 [2023-09-06 19:37:28,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607756293] [2023-09-06 19:37:28,546 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-06 19:37:28,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-09-06 19:37:28,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-06 19:37:28,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-09-06 19:37:28,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=475, Invalid=3685, Unknown=0, NotChecked=0, Total=4160 [2023-09-06 19:37:28,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:37:28,565 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-06 19:37:28,565 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) [2023-09-06 19:37:28,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:37:28,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-06 19:37:28,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-06 19:37:28,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-09-06 19:37:28,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-09-06 19:37:28,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2023-09-06 19:37:28,566 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 [2023-09-06 19:37:41,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:37:41,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-06 19:37:41,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-06 19:37:41,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-09-06 19:37:41,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-09-06 19:37:41,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-09-06 19:37:41,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-09-06 19:37:41,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-09-06 19:37:41,619 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 [2023-09-06 19:37:41,619 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-06 19:37:41,620 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-06 19:37:41,620 INFO L85 PathProgramCache]: Analyzing trace with hash 2039574555, now seen corresponding path program 6 times [2023-09-06 19:37:41,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-06 19:37:41,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468208636] [2023-09-06 19:37:41,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-06 19:37:41,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-06 19:37:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-06 19:38:12,742 WARN L234 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-06 19:38:25,585 WARN L234 SmtUtils]: Spent 6.62s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-06 19:38:33,879 WARN L234 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-06 19:38:53,883 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 0 proven. 565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-06 19:38:53,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-06 19:38:53,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468208636] [2023-09-06 19:38:53,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468208636] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-06 19:38:53,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354935924] [2023-09-06 19:38:53,885 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-06 19:38:53,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-06 19:38:53,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-06 19:38:53,888 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) [2023-09-06 19:38:53,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-09-06 19:38:55,178 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2023-09-06 19:38:55,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-06 19:38:55,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 43 conjunts are in the unsatisfiable core [2023-09-06 19:38:55,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-06 19:39:12,511 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 120 proven. 400 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-09-06 19:39:12,511 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-06 19:39:19,212 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 20 proven. 500 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-09-06 19:39:19,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354935924] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-06 19:39:19,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-06 19:39:19,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 24, 27] total 102 [2023-09-06 19:39:19,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680820214] [2023-09-06 19:39:19,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-06 19:39:19,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2023-09-06 19:39:19,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-06 19:39:19,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2023-09-06 19:39:19,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=699, Invalid=9591, Unknown=12, NotChecked=0, Total=10302 [2023-09-06 19:39:19,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:39:19,216 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-06 19:39:19,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 3.0784313725490198) internal successors, (314), 102 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) [2023-09-06 19:39:19,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-06 19:39:19,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-06 19:39:19,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-06 19:39:19,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-09-06 19:39:19,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-09-06 19:39:19,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2023-09-06 19:39:19,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2023-09-06 19:39:19,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer [2023-09-06 19:39:42,858 WARN L234 SmtUtils]: Spent 11.00s on a formula simplification. DAG size of input: 79 DAG size of output: 50 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-06 19:40:27,074 WARN L234 SmtUtils]: Spent 42.53s on a formula simplification. DAG size of input: 79 DAG size of output: 55 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-06 19:40:41,345 WARN L234 SmtUtils]: Spent 11.51s on a formula simplification. DAG size of input: 81 DAG size of output: 54 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-06 19:41:14,923 WARN L234 SmtUtils]: Spent 30.74s on a formula simplification. DAG size of input: 81 DAG size of output: 57 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-09-06 19:41:18,520 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 [2023-09-06 19:41:18,538 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 [2023-09-06 19:41:18,546 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 [2023-09-06 19:41:19,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-09-06 19:41:19,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-09-06 19:41:19,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2023-09-06 19:41:19,605 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 [2023-09-06 19:41:19,606 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 144 known predicates. [2023-09-06 19:41:19,607 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-09-06 19:41:19,608 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-09-06 19:41:19,608 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-09-06 19:41:19,610 INFO L445 BasicCegarLoop]: Path program histogram: [6, 1, 1] [2023-09-06 19:41:19,612 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-06 19:41:19,612 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-06 19:41:19,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.09 07:41:19 BasicIcfg [2023-09-06 19:41:19,613 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-06 19:41:19,614 INFO L158 Benchmark]: Toolchain (without parser) took 276508.20ms. Allocated memory was 153.1MB in the beginning and 486.5MB in the end (delta: 333.4MB). Free memory was 107.4MB in the beginning and 289.8MB in the end (delta: -182.4MB). Peak memory consumption was 151.2MB. Max. memory is 7.0GB. [2023-09-06 19:41:19,614 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 153.1MB. Free memory is still 107.3MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-06 19:41:19,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 148.98ms. Allocated memory is still 153.1MB. Free memory was 107.1MB in the beginning and 96.2MB in the end (delta: 10.9MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-06 19:41:19,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.14ms. Allocated memory is still 153.1MB. Free memory was 96.2MB in the beginning and 94.5MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-06 19:41:19,614 INFO L158 Benchmark]: Boogie Preprocessor took 15.88ms. Allocated memory is still 153.1MB. Free memory was 94.5MB in the beginning and 93.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-06 19:41:19,614 INFO L158 Benchmark]: RCFGBuilder took 235.14ms. Allocated memory is still 153.1MB. Free memory was 93.4MB in the beginning and 79.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 7.0GB. [2023-09-06 19:41:19,615 INFO L158 Benchmark]: TraceAbstraction took 276081.57ms. Allocated memory was 153.1MB in the beginning and 486.5MB in the end (delta: 333.4MB). Free memory was 78.8MB in the beginning and 289.8MB in the end (delta: -211.0MB). Peak memory consumption was 122.9MB. Max. memory is 7.0GB. [2023-09-06 19:41:19,616 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 153.1MB. Free memory is still 107.3MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 148.98ms. Allocated memory is still 153.1MB. Free memory was 107.1MB in the beginning and 96.2MB in the end (delta: 10.9MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 21.14ms. Allocated memory is still 153.1MB. Free memory was 96.2MB in the beginning and 94.5MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * Boogie Preprocessor took 15.88ms. Allocated memory is still 153.1MB. Free memory was 94.5MB in the beginning and 93.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * RCFGBuilder took 235.14ms. Allocated memory is still 153.1MB. Free memory was 93.4MB in the beginning and 79.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 7.0GB. * TraceAbstraction took 276081.57ms. Allocated memory was 153.1MB in the beginning and 486.5MB in the end (delta: 333.4MB). Free memory was 78.8MB in the beginning and 289.8MB in the end (delta: -211.0MB). Peak memory consumption was 122.9MB. 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: 36, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 36, dependent conditional: 0, dependent unconditional: 36, 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: 25, RedundantProofs: 7, ProvenStates: 75 - 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 144 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 144 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 144 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: 275.9s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 153.8s, 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: 437, 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, 4.0s SatisfiabilityAnalysisTime, 116.1s InterpolantComputationTime, 1469 NumberOfCodeBlocks, 1459 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 2152 ConstructedInterpolants, 1 QuantifiedInterpolants, 29075 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