/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-array-sum2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-fffa3fa-m [2023-09-04 23:56:13,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-04 23:56:14,042 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-04 23:56:14,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-04 23:56:14,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-04 23:56:14,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-04 23:56:14,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-04 23:56:14,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-04 23:56:14,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-04 23:56:14,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-04 23:56:14,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-04 23:56:14,081 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-04 23:56:14,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-04 23:56:14,083 INFO L153 SettingsManager]: * Use SBE=true [2023-09-04 23:56:14,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-04 23:56:14,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-04 23:56:14,083 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-04 23:56:14,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-04 23:56:14,084 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-04 23:56:14,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-04 23:56:14,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-04 23:56:14,084 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-04 23:56:14,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-04 23:56:14,085 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-04 23:56:14,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-04 23:56:14,085 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-04 23:56:14,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-04 23:56:14,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-04 23:56:14,086 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-04 23:56:14,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-04 23:56:14,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 23:56:14,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-04 23:56:14,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-04 23:56:14,088 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-04 23:56:14,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-04 23:56:14,088 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-04 23:56:14,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-04 23:56:14,088 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-04 23:56:14,088 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-04 23:56:14,088 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-04 23:56:14,089 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-04 23:56:14,089 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-04 23:56:14,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-04 23:56:14,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-04 23:56:14,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-04 23:56:14,327 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-04 23:56:14,330 INFO L274 PluginConnector]: CDTParser initialized [2023-09-04 23:56:14,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2023-09-04 23:56:15,513 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-04 23:56:15,691 INFO L384 CDTParser]: Found 1 translation units. [2023-09-04 23:56:15,692 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2023-09-04 23:56:15,697 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e769e223/eb19c6f077964f9c8df7a7a319e75083/FLAG08db1b59c [2023-09-04 23:56:15,709 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e769e223/eb19c6f077964f9c8df7a7a319e75083 [2023-09-04 23:56:15,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-04 23:56:15,712 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-04 23:56:15,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-04 23:56:15,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-04 23:56:15,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-04 23:56:15,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 11:56:15" (1/1) ... [2023-09-04 23:56:15,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f4d7a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:56:15, skipping insertion in model container [2023-09-04 23:56:15,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 11:56:15" (1/1) ... [2023-09-04 23:56:15,738 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-09-04 23:56:15,881 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-array-sum2.wvr.c[2599,2612] [2023-09-04 23:56:15,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 23:56:15,894 INFO L201 MainTranslator]: Completed pre-run [2023-09-04 23:56:15,911 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-array-sum2.wvr.c[2599,2612] [2023-09-04 23:56:15,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 23:56:15,921 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 23:56:15,921 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 23:56:15,927 INFO L206 MainTranslator]: Completed translation [2023-09-04 23:56:15,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:56:15 WrapperNode [2023-09-04 23:56:15,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-04 23:56:15,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-04 23:56:15,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-04 23:56:15,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-04 23:56:15,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:56:15" (1/1) ... [2023-09-04 23:56:15,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:56:15" (1/1) ... [2023-09-04 23:56:15,965 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 280 [2023-09-04 23:56:15,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-04 23:56:15,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-04 23:56:15,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-04 23:56:15,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-04 23:56:15,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:56:15" (1/1) ... [2023-09-04 23:56:15,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:56:15" (1/1) ... [2023-09-04 23:56:15,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:56:15" (1/1) ... [2023-09-04 23:56:15,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:56:15" (1/1) ... [2023-09-04 23:56:15,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:56:15" (1/1) ... [2023-09-04 23:56:15,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:56:15" (1/1) ... [2023-09-04 23:56:15,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:56:15" (1/1) ... [2023-09-04 23:56:15,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:56:15" (1/1) ... [2023-09-04 23:56:15,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-04 23:56:15,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-04 23:56:15,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-04 23:56:15,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-04 23:56:15,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:56:15" (1/1) ... [2023-09-04 23:56:16,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 23:56:16,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:56:16,029 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) [2023-09-04 23:56:16,034 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 [2023-09-04 23:56:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-04 23:56:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-04 23:56:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-04 23:56:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-04 23:56:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-04 23:56:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-04 23:56:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-04 23:56:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-04 23:56:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-09-04 23:56:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-09-04 23:56:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-04 23:56:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-04 23:56:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-04 23:56:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-04 23:56:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-04 23:56:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-04 23:56:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-04 23:56:16,082 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-04 23:56:16,168 INFO L236 CfgBuilder]: Building ICFG [2023-09-04 23:56:16,170 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-04 23:56:16,594 INFO L277 CfgBuilder]: Performing block encoding [2023-09-04 23:56:16,791 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-04 23:56:16,792 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-09-04 23:56:16,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 11:56:16 BoogieIcfgContainer [2023-09-04 23:56:16,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-04 23:56:16,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-04 23:56:16,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-04 23:56:16,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-04 23:56:16,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 11:56:15" (1/3) ... [2023-09-04 23:56:16,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@679c3c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 11:56:16, skipping insertion in model container [2023-09-04 23:56:16,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:56:15" (2/3) ... [2023-09-04 23:56:16,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@679c3c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 11:56:16, skipping insertion in model container [2023-09-04 23:56:16,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 11:56:16" (3/3) ... [2023-09-04 23:56:16,803 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2023-09-04 23:56:16,809 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-04 23:56:16,815 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-04 23:56:16,815 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-04 23:56:16,815 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-04 23:56:16,879 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-09-04 23:56:16,926 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 23:56:16,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-04 23:56:16,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:56:16,929 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) [2023-09-04 23:56:16,930 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 [2023-09-04 23:56:16,970 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-04 23:56:16,977 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-04 23:56:16,983 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;@789803cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 23:56:16,983 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. Found a loop, use abstraction hammer [2023-09-04 23:56:17,739 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-04 23:56:17,744 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:56:17,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1606551845, now seen corresponding path program 1 times [2023-09-04 23:56:17,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:56:17,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72049287] [2023-09-04 23:56:17,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:56:17,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:56:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:56:18,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-04 23:56:18,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:56:18,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72049287] [2023-09-04 23:56:18,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72049287] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 23:56:18,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 23:56:18,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-04 23:56:18,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567233642] [2023-09-04 23:56:18,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 23:56:18,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-04 23:56:18,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:56:18,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-04 23:56:18,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-04 23:56:18,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:18,106 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:56:18,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 70.0) internal successors, (140), 2 states have internal predecessors, (140), 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) [2023-09-04 23:56:18,108 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 [2023-09-04 23:56:18,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:18,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-04 23:56:18,660 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-04 23:56:18,660 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:56:18,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1178580592, now seen corresponding path program 1 times [2023-09-04 23:56:18,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:56:18,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145798942] [2023-09-04 23:56:18,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:56:18,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:56:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:56:19,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-04 23:56:19,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:56:19,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145798942] [2023-09-04 23:56:19,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145798942] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-04 23:56:19,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101956039] [2023-09-04 23:56:19,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:56:19,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:56:19,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:56:19,363 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) [2023-09-04 23:56:19,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-04 23:56:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:56:19,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 8 conjunts are in the unsatisfiable core [2023-09-04 23:56:19,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-04 23:56:19,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-04 23:56:19,720 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-04 23:56:19,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-04 23:56:19,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101956039] provided 1 perfect and 1 imperfect interpolant sequences [2023-09-04 23:56:19,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-09-04 23:56:19,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 16 [2023-09-04 23:56:19,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270210174] [2023-09-04 23:56:19,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 23:56:19,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-09-04 23:56:19,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:56:19,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-09-04 23:56:19,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-09-04 23:56:19,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:19,934 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:56:19,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.777777777777779) internal successors, (142), 9 states have internal predecessors, (142), 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) [2023-09-04 23:56:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:19,935 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 [2023-09-04 23:56:20,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:20,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:56:20,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-09-04 23:56:20,786 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 [2023-09-04 23:56:20,786 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-04 23:56:20,787 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:56:20,787 INFO L85 PathProgramCache]: Analyzing trace with hash 789693016, now seen corresponding path program 1 times [2023-09-04 23:56:20,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:56:20,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003741976] [2023-09-04 23:56:20,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:56:20,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:56:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:56:21,001 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-09-04 23:56:21,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:56:21,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003741976] [2023-09-04 23:56:21,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003741976] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-04 23:56:21,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511424204] [2023-09-04 23:56:21,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:56:21,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:56:21,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:56:21,004 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) [2023-09-04 23:56:21,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-04 23:56:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:56:21,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 12 conjunts are in the unsatisfiable core [2023-09-04 23:56:21,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-04 23:56:21,331 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-04 23:56:21,331 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-04 23:56:21,595 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-04 23:56:21,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511424204] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-04 23:56:21,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-04 23:56:21,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13, 13] total 25 [2023-09-04 23:56:21,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623572362] [2023-09-04 23:56:21,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-04 23:56:21,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-09-04 23:56:21,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:56:21,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-09-04 23:56:21,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=518, Unknown=0, NotChecked=0, Total=600 [2023-09-04 23:56:21,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:21,598 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:56:21,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.84) internal successors, (271), 25 states have internal predecessors, (271), 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) [2023-09-04 23:56:21,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:21,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:56:21,599 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 [2023-09-04 23:56:22,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:22,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:56:22,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:56:22,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-09-04 23:56:22,850 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 [2023-09-04 23:56:22,850 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-04 23:56:22,851 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:56:22,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1058584026, now seen corresponding path program 1 times [2023-09-04 23:56:22,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:56:22,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544960983] [2023-09-04 23:56:22,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:56:22,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:56:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:56:23,155 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-09-04 23:56:23,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:56:23,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544960983] [2023-09-04 23:56:23,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544960983] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-04 23:56:23,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23575872] [2023-09-04 23:56:23,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:56:23,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:56:23,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:56:23,157 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) [2023-09-04 23:56:23,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-04 23:56:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:56:23,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 16 conjunts are in the unsatisfiable core [2023-09-04 23:56:23,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-04 23:56:23,621 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-09-04 23:56:23,622 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-04 23:56:24,010 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-09-04 23:56:24,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23575872] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-04 23:56:24,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-04 23:56:24,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17, 17] total 36 [2023-09-04 23:56:24,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017580819] [2023-09-04 23:56:24,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-04 23:56:24,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-09-04 23:56:24,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:56:24,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-09-04 23:56:24,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1117, Unknown=0, NotChecked=0, Total=1260 [2023-09-04 23:56:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:24,013 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:56:24,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 8.777777777777779) internal successors, (316), 36 states have internal predecessors, (316), 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) [2023-09-04 23:56:24,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:24,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:56:24,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:56:24,014 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 [2023-09-04 23:56:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:56:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:56:25,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:56:25,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-04 23:56:25,376 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 [2023-09-04 23:56:25,376 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-04 23:56:25,377 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:56:25,377 INFO L85 PathProgramCache]: Analyzing trace with hash -303869848, now seen corresponding path program 2 times [2023-09-04 23:56:25,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:56:25,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371700244] [2023-09-04 23:56:25,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:56:25,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:56:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:56:25,857 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 2 proven. 49 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-09-04 23:56:25,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:56:25,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371700244] [2023-09-04 23:56:25,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371700244] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-04 23:56:25,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647115873] [2023-09-04 23:56:25,858 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-04 23:56:25,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:56:25,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:56:25,859 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) [2023-09-04 23:56:25,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-09-04 23:56:26,161 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-04 23:56:26,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-04 23:56:26,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 14 conjunts are in the unsatisfiable core [2023-09-04 23:56:26,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-04 23:56:26,534 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 10 proven. 41 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-09-04 23:56:26,534 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-04 23:56:26,965 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-09-04 23:56:26,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647115873] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-04 23:56:26,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-04 23:56:26,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2023-09-04 23:56:26,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295766347] [2023-09-04 23:56:26,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-04 23:56:26,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-09-04 23:56:26,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:56:26,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-09-04 23:56:26,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=918, Unknown=0, NotChecked=0, Total=1122 [2023-09-04 23:56:26,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:26,974 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:56:26,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 7.235294117647059) internal successors, (246), 34 states have internal predecessors, (246), 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) [2023-09-04 23:56:26,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:26,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:56:26,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:56:26,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:56:26,975 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 [2023-09-04 23:56:28,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:28,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:56:28,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:56:28,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:56:28,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:56:28,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-09-04 23:56:28,232 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 [2023-09-04 23:56:28,233 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-04 23:56:28,233 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:56:28,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1845961906, now seen corresponding path program 3 times [2023-09-04 23:56:28,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:56:28,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237405709] [2023-09-04 23:56:28,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:56:28,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:56:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:56:28,770 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 2 proven. 44 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-09-04 23:56:28,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:56:28,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237405709] [2023-09-04 23:56:28,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237405709] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-04 23:56:28,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044690672] [2023-09-04 23:56:28,771 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-04 23:56:28,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:56:28,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:56:28,773 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) [2023-09-04 23:56:28,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-09-04 23:56:29,260 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-09-04 23:56:29,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-04 23:56:29,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 32 conjunts are in the unsatisfiable core [2023-09-04 23:56:29,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-04 23:56:29,899 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 35 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-09-04 23:56:29,899 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-04 23:56:30,331 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-09-04 23:56:30,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044690672] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-04 23:56:30,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-04 23:56:30,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 24, 17] total 47 [2023-09-04 23:56:30,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350219851] [2023-09-04 23:56:30,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-04 23:56:30,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-09-04 23:56:30,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:56:30,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-09-04 23:56:30,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=1901, Unknown=0, NotChecked=0, Total=2162 [2023-09-04 23:56:30,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:30,342 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:56:30,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 7.127659574468085) internal successors, (335), 47 states have internal predecessors, (335), 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) [2023-09-04 23:56:30,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:30,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:56:30,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:56:30,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:56:30,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:56:30,343 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 [2023-09-04 23:56:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:37,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:56:37,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:56:37,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:56:37,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:56:37,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-09-04 23:56:37,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-09-04 23:56:37,872 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 [2023-09-04 23:56:37,872 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-04 23:56:37,872 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:56:37,872 INFO L85 PathProgramCache]: Analyzing trace with hash 704095391, now seen corresponding path program 4 times [2023-09-04 23:56:37,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:56:37,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845972468] [2023-09-04 23:56:37,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:56:37,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:56:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:56:38,588 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 12 proven. 67 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-09-04 23:56:38,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:56:38,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845972468] [2023-09-04 23:56:38,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845972468] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-04 23:56:38,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892613653] [2023-09-04 23:56:38,589 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-04 23:56:38,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:56:38,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:56:38,593 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) [2023-09-04 23:56:38,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-09-04 23:56:38,719 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-04 23:56:38,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-04 23:56:38,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 20 conjunts are in the unsatisfiable core [2023-09-04 23:56:38,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-04 23:56:39,174 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 27 proven. 52 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-09-04 23:56:39,174 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-04 23:56:39,635 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 27 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-09-04 23:56:39,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892613653] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-04 23:56:39,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-04 23:56:39,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 46 [2023-09-04 23:56:39,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917467235] [2023-09-04 23:56:39,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-04 23:56:39,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-09-04 23:56:39,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:56:39,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-09-04 23:56:39,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=1830, Unknown=0, NotChecked=0, Total=2070 [2023-09-04 23:56:39,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:39,639 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:56:39,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 6.456521739130435) internal successors, (297), 46 states have internal predecessors, (297), 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) [2023-09-04 23:56:39,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:39,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:56:39,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:56:39,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:56:39,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:56:39,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-09-04 23:56:39,640 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 [2023-09-04 23:56:46,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:46,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:56:46,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:56:46,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:56:46,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:56:46,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-09-04 23:56:46,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-04 23:56:46,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-09-04 23:56:46,891 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 [2023-09-04 23:56:46,891 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-04 23:56:46,892 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:56:46,892 INFO L85 PathProgramCache]: Analyzing trace with hash -747752313, now seen corresponding path program 5 times [2023-09-04 23:56:46,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:56:46,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039532744] [2023-09-04 23:56:46,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:56:46,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:56:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:56:47,398 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 12 proven. 83 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-09-04 23:56:47,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:56:47,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039532744] [2023-09-04 23:56:47,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039532744] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-04 23:56:47,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239076099] [2023-09-04 23:56:47,399 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-04 23:56:47,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:56:47,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:56:47,401 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) [2023-09-04 23:56:47,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-09-04 23:56:47,615 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-09-04 23:56:47,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-04 23:56:47,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 24 conjunts are in the unsatisfiable core [2023-09-04 23:56:47,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-04 23:56:48,184 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 52 proven. 85 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-09-04 23:56:48,184 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-04 23:56:48,825 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 85 proven. 52 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-09-04 23:56:48,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239076099] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-04 23:56:48,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-04 23:56:48,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 25, 25] total 60 [2023-09-04 23:56:48,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66358203] [2023-09-04 23:56:48,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-04 23:56:48,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2023-09-04 23:56:48,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:56:48,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2023-09-04 23:56:48,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=3217, Unknown=0, NotChecked=0, Total=3540 [2023-09-04 23:56:48,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:48,828 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:56:48,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 6.766666666666667) internal successors, (406), 60 states have internal predecessors, (406), 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) [2023-09-04 23:56:48,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:48,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:56:48,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:56:48,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:56:48,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:56:48,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-09-04 23:56:48,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-04 23:56:48,829 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 [2023-09-04 23:56:50,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:50,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:56:50,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:56:50,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:56:50,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:56:50,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-09-04 23:56:50,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-04 23:56:50,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-04 23:56:50,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-09-04 23:56:51,103 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 [2023-09-04 23:56:51,103 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-04 23:56:51,103 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:56:51,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1007317351, now seen corresponding path program 6 times [2023-09-04 23:56:51,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:56:51,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687426798] [2023-09-04 23:56:51,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:56:51,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:56:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:56:51,781 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 30 proven. 122 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-09-04 23:56:51,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:56:51,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687426798] [2023-09-04 23:56:51,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687426798] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-04 23:56:51,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773209478] [2023-09-04 23:56:51,782 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-04 23:56:51,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:56:51,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:56:51,783 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-04 23:56:51,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-09-04 23:56:52,086 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2023-09-04 23:56:52,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-04 23:56:52,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 20 conjunts are in the unsatisfiable core [2023-09-04 23:56:52,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-04 23:56:52,698 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 27 proven. 83 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2023-09-04 23:56:52,699 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-04 23:56:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 102 proven. 8 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2023-09-04 23:56:53,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773209478] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-04 23:56:53,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-04 23:56:53,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21, 21] total 58 [2023-09-04 23:56:53,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979446868] [2023-09-04 23:56:53,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-04 23:56:53,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2023-09-04 23:56:53,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:56:53,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2023-09-04 23:56:53,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=2923, Unknown=0, NotChecked=0, Total=3306 [2023-09-04 23:56:53,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:53,332 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:56:53,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 6.931034482758621) internal successors, (402), 58 states have internal predecessors, (402), 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) [2023-09-04 23:56:53,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:53,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:56:53,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:56:53,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:56:53,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:56:53,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-09-04 23:56:53,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-04 23:56:53,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-09-04 23:56:53,333 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 [2023-09-04 23:56:55,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:55,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:56:55,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:56:55,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:56:55,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:56:55,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-09-04 23:56:55,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-04 23:56:55,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-04 23:56:55,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-09-04 23:56:55,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-09-04 23:56:56,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:56:56,128 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-04 23:56:56,129 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:56:56,129 INFO L85 PathProgramCache]: Analyzing trace with hash -2077181297, now seen corresponding path program 7 times [2023-09-04 23:56:56,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:56:56,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432107715] [2023-09-04 23:56:56,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:56:56,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:56:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:56:57,043 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 56 proven. 155 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-09-04 23:56:57,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:56:57,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432107715] [2023-09-04 23:56:57,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432107715] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-04 23:56:57,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525597335] [2023-09-04 23:56:57,044 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-09-04 23:56:57,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:56:57,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:56:57,045 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-04 23:56:57,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-09-04 23:56:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:56:57,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 28 conjunts are in the unsatisfiable core [2023-09-04 23:56:57,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-04 23:56:57,907 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 85 proven. 126 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-09-04 23:56:57,907 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-04 23:56:58,569 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 126 proven. 85 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-09-04 23:56:58,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525597335] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-04 23:56:58,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-04 23:56:58,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 66 [2023-09-04 23:56:58,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990691909] [2023-09-04 23:56:58,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-04 23:56:58,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2023-09-04 23:56:58,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:56:58,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2023-09-04 23:56:58,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=3834, Unknown=0, NotChecked=0, Total=4290 [2023-09-04 23:56:58,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:58,572 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:56:58,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 5.712121212121212) internal successors, (377), 66 states have internal predecessors, (377), 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) [2023-09-04 23:56:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:56:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:56:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:56:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:56:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:56:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-09-04 23:56:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-04 23:56:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-09-04 23:56:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-09-04 23:56:58,572 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 [2023-09-04 23:57:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:57:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:57:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:57:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:57:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:57:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-09-04 23:57:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-04 23:57:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-04 23:57:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-09-04 23:57:00,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-09-04 23:57:00,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-09-04 23:57:00,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-09-04 23:57:00,495 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-04 23:57:00,495 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:57:00,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1332999799, now seen corresponding path program 8 times [2023-09-04 23:57:00,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:57:00,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731776535] [2023-09-04 23:57:00,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:57:00,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:57:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:57:01,357 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 56 proven. 166 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-09-04 23:57:01,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:57:01,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731776535] [2023-09-04 23:57:01,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731776535] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-04 23:57:01,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364777344] [2023-09-04 23:57:01,358 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-04 23:57:01,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:57:01,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:57:01,359 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-04 23:57:01,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-09-04 23:57:01,536 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-04 23:57:01,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-04 23:57:01,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 32 conjunts are in the unsatisfiable core [2023-09-04 23:57:01,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-04 23:57:02,370 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 126 proven. 175 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-09-04 23:57:02,370 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-04 23:57:03,328 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 175 proven. 126 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-09-04 23:57:03,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364777344] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-04 23:57:03,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-04 23:57:03,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 33, 33] total 84 [2023-09-04 23:57:03,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452684360] [2023-09-04 23:57:03,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-04 23:57:03,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2023-09-04 23:57:03,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:57:03,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2023-09-04 23:57:03,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=583, Invalid=6389, Unknown=0, NotChecked=0, Total=6972 [2023-09-04 23:57:03,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:57:03,333 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:57:03,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 5.904761904761905) internal successors, (496), 84 states have internal predecessors, (496), 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) [2023-09-04 23:57:03,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:57:03,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:57:03,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:57:03,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:57:03,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:57:03,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-09-04 23:57:03,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-04 23:57:03,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-09-04 23:57:03,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-09-04 23:57:03,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-09-04 23:57:03,334 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 [2023-09-04 23:57:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:57:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:57:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:57:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:57:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:57:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-09-04 23:57:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-04 23:57:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-04 23:57:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-09-04 23:57:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-09-04 23:57:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-09-04 23:57:06,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-09-04 23:57:06,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-09-04 23:57:06,400 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-04 23:57:06,401 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:57:06,401 INFO L85 PathProgramCache]: Analyzing trace with hash -182450711, now seen corresponding path program 9 times [2023-09-04 23:57:06,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:57:06,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856400919] [2023-09-04 23:57:06,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:57:06,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:57:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:57:07,369 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 90 proven. 215 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2023-09-04 23:57:07,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:57:07,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856400919] [2023-09-04 23:57:07,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856400919] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-04 23:57:07,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73477264] [2023-09-04 23:57:07,369 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-04 23:57:07,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:57:07,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:57:07,370 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-04 23:57:07,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-09-04 23:57:07,928 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-09-04 23:57:07,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-04 23:57:07,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 26 conjunts are in the unsatisfiable core [2023-09-04 23:57:07,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-04 23:57:08,540 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 55 proven. 61 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2023-09-04 23:57:08,541 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-04 23:57:09,091 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 55 proven. 61 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2023-09-04 23:57:09,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73477264] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-04 23:57:09,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-04 23:57:09,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 27, 27] total 69 [2023-09-04 23:57:09,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359343851] [2023-09-04 23:57:09,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-04 23:57:09,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2023-09-04 23:57:09,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:57:09,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2023-09-04 23:57:09,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=4395, Unknown=0, NotChecked=0, Total=4692 [2023-09-04 23:57:09,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:57:09,096 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:57:09,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 6.115942028985507) internal successors, (422), 69 states have internal predecessors, (422), 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) [2023-09-04 23:57:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:57:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:57:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:57:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:57:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:57:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-09-04 23:57:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-04 23:57:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-09-04 23:57:09,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-09-04 23:57:09,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-09-04 23:57:09,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-09-04 23:57:09,097 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 [2023-09-04 23:57:13,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:57:13,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:57:13,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:57:13,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:57:13,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:57:13,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-09-04 23:57:13,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-04 23:57:13,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-04 23:57:13,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-09-04 23:57:13,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-09-04 23:57:13,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-09-04 23:57:13,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2023-09-04 23:57:13,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-09-04 23:57:13,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-09-04 23:57:13,919 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-04 23:57:13,919 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:57:13,919 INFO L85 PathProgramCache]: Analyzing trace with hash 906385535, now seen corresponding path program 10 times [2023-09-04 23:57:13,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:57:13,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360737709] [2023-09-04 23:57:13,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:57:13,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:57:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:57:15,207 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 132 proven. 275 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2023-09-04 23:57:15,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:57:15,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360737709] [2023-09-04 23:57:15,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360737709] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-04 23:57:15,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67117527] [2023-09-04 23:57:15,208 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-04 23:57:15,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:57:15,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:57:15,213 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-04 23:57:15,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-09-04 23:57:15,360 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-04 23:57:15,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-04 23:57:15,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 36 conjunts are in the unsatisfiable core [2023-09-04 23:57:15,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-04 23:57:16,338 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 175 proven. 232 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2023-09-04 23:57:16,338 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-04 23:57:17,303 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 232 proven. 175 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2023-09-04 23:57:17,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67117527] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-04 23:57:17,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-04 23:57:17,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 86 [2023-09-04 23:57:17,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385825281] [2023-09-04 23:57:17,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-04 23:57:17,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2023-09-04 23:57:17,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:57:17,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2023-09-04 23:57:17,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=744, Invalid=6566, Unknown=0, NotChecked=0, Total=7310 [2023-09-04 23:57:17,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:57:17,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:57:17,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 5.313953488372093) internal successors, (457), 86 states have internal predecessors, (457), 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) [2023-09-04 23:57:17,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:57:17,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:57:17,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:57:17,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:57:17,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:57:17,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-09-04 23:57:17,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-04 23:57:17,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-09-04 23:57:17,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-09-04 23:57:17,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-09-04 23:57:17,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-09-04 23:57:17,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2023-09-04 23:57:17,309 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 [2023-09-04 23:57:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:57:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:57:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:57:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:57:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:57:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-09-04 23:57:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-04 23:57:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-04 23:57:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-09-04 23:57:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-09-04 23:57:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-09-04 23:57:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2023-09-04 23:57:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-09-04 23:57:19,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-09-04 23:57:19,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-09-04 23:57:19,963 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-04 23:57:19,963 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:57:19,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1611644825, now seen corresponding path program 11 times [2023-09-04 23:57:19,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:57:19,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690820791] [2023-09-04 23:57:19,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:57:19,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:57:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:57:21,089 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 132 proven. 269 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2023-09-04 23:57:21,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:57:21,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690820791] [2023-09-04 23:57:21,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690820791] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-04 23:57:21,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368183480] [2023-09-04 23:57:21,089 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-04 23:57:21,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:57:21,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:57:21,091 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-04 23:57:21,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-09-04 23:57:22,349 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2023-09-04 23:57:22,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-04 23:57:22,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 36 conjunts are in the unsatisfiable core [2023-09-04 23:57:22,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-04 23:57:23,469 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 232 proven. 177 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-09-04 23:57:23,469 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-04 23:57:24,473 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 297 proven. 112 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-09-04 23:57:24,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368183480] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-04 23:57:24,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-04 23:57:24,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 37, 37] total 89 [2023-09-04 23:57:24,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945042745] [2023-09-04 23:57:24,473 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-04 23:57:24,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2023-09-04 23:57:24,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:57:24,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2023-09-04 23:57:24,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1202, Invalid=6630, Unknown=0, NotChecked=0, Total=7832 [2023-09-04 23:57:24,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:57:24,477 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:57:24,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 5.606741573033708) internal successors, (499), 89 states have internal predecessors, (499), 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) [2023-09-04 23:57:24,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:57:24,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:57:24,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:57:24,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:57:24,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:57:24,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-09-04 23:57:24,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-04 23:57:24,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-09-04 23:57:24,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-09-04 23:57:24,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-09-04 23:57:24,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-09-04 23:57:24,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2023-09-04 23:57:24,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-09-04 23:57:24,478 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 [2023-09-04 23:57:27,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:57:27,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:57:27,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:57:27,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:57:27,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:57:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-09-04 23:57:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-04 23:57:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-04 23:57:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-09-04 23:57:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-09-04 23:57:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-09-04 23:57:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2023-09-04 23:57:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-09-04 23:57:27,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-09-04 23:57:27,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-09-04 23:57:27,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:57:27,245 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-04 23:57:27,246 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:57:27,246 INFO L85 PathProgramCache]: Analyzing trace with hash -687142265, now seen corresponding path program 12 times [2023-09-04 23:57:27,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:57:27,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623377500] [2023-09-04 23:57:27,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:57:27,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:57:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:57:28,500 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 182 proven. 412 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2023-09-04 23:57:28,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:57:28,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623377500] [2023-09-04 23:57:28,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623377500] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-04 23:57:28,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732733607] [2023-09-04 23:57:28,500 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-04 23:57:28,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:57:28,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:57:28,502 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-04 23:57:28,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-09-04 23:57:29,544 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2023-09-04 23:57:29,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-04 23:57:29,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 42 conjunts are in the unsatisfiable core [2023-09-04 23:57:29,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-04 23:57:31,050 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 297 proven. 262 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-09-04 23:57:31,050 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-04 23:57:32,756 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 370 proven. 189 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-09-04 23:57:32,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732733607] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-04 23:57:32,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-04 23:57:32,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 43, 43] total 120 [2023-09-04 23:57:32,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095195399] [2023-09-04 23:57:32,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-04 23:57:32,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2023-09-04 23:57:32,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:57:32,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2023-09-04 23:57:32,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1541, Invalid=12739, Unknown=0, NotChecked=0, Total=14280 [2023-09-04 23:57:32,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:57:32,764 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:57:32,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 5.008333333333334) internal successors, (601), 120 states have internal predecessors, (601), 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) [2023-09-04 23:57:32,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:57:32,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:57:32,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-04 23:57:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-09-04 23:57:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-09-04 23:57:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-09-04 23:57:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-04 23:57:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-09-04 23:57:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-09-04 23:57:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-09-04 23:57:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-09-04 23:57:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2023-09-04 23:57:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-09-04 23:57:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2023-09-04 23:57:32,765 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 Received shutdown request... [2023-09-05 00:00:29,449 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-05 00:00:29,449 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-05 00:00:29,449 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-05 00:00:29,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-09-05 00:00:29,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-09-05 00:00:29,706 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2023-09-05 00:00:29,708 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-09-05 00:00:29,709 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-09-05 00:00:29,709 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-09-05 00:00:29,709 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-09-05 00:00:29,756 INFO L445 BasicCegarLoop]: Path program histogram: [12, 1, 1, 1] [2023-09-05 00:00:29,760 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-05 00:00:29,760 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-05 00:00:29,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.09 12:00:29 BasicIcfg [2023-09-05 00:00:29,764 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-05 00:00:29,764 INFO L158 Benchmark]: Toolchain (without parser) took 254052.30ms. Allocated memory was 262.1MB in the beginning and 848.3MB in the end (delta: 586.2MB). Free memory was 202.5MB in the beginning and 427.4MB in the end (delta: -224.9MB). Peak memory consumption was 361.7MB. Max. memory is 7.0GB. [2023-09-05 00:00:29,764 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 182.5MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-05 00:00:29,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.85ms. Allocated memory is still 262.1MB. Free memory was 202.5MB in the beginning and 190.6MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-05 00:00:29,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.59ms. Allocated memory is still 262.1MB. Free memory was 190.6MB in the beginning and 187.8MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-05 00:00:29,765 INFO L158 Benchmark]: Boogie Preprocessor took 28.12ms. Allocated memory is still 262.1MB. Free memory was 187.8MB in the beginning and 185.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-05 00:00:29,765 INFO L158 Benchmark]: RCFGBuilder took 799.76ms. Allocated memory is still 262.1MB. Free memory was 185.7MB in the beginning and 175.3MB in the end (delta: 10.4MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-05 00:00:29,765 INFO L158 Benchmark]: TraceAbstraction took 252967.46ms. Allocated memory was 262.1MB in the beginning and 848.3MB in the end (delta: 586.2MB). Free memory was 174.7MB in the beginning and 427.4MB in the end (delta: -252.7MB). Peak memory consumption was 333.5MB. Max. memory is 7.0GB. [2023-09-05 00:00:29,767 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 182.5MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 214.85ms. Allocated memory is still 262.1MB. Free memory was 202.5MB in the beginning and 190.6MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 36.59ms. Allocated memory is still 262.1MB. Free memory was 190.6MB in the beginning and 187.8MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 28.12ms. Allocated memory is still 262.1MB. Free memory was 187.8MB in the beginning and 185.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 799.76ms. Allocated memory is still 262.1MB. Free memory was 185.7MB in the beginning and 175.3MB in the end (delta: 10.4MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * TraceAbstraction took 252967.46ms. Allocated memory was 262.1MB in the beginning and 848.3MB in the end (delta: 586.2MB). Free memory was 174.7MB in the beginning and 427.4MB in the end (delta: -252.7MB). Peak memory consumption was 333.5MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32180, independent: 30139, independent conditional: 30139, independent unconditional: 0, dependent: 2041, dependent conditional: 2041, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30275, independent: 30139, independent conditional: 30139, independent unconditional: 0, dependent: 136, dependent conditional: 136, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 30275, independent: 30139, independent conditional: 30139, independent unconditional: 0, dependent: 136, dependent conditional: 136, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31655, independent: 30139, independent conditional: 0, independent unconditional: 30139, dependent: 1516, dependent conditional: 1380, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31655, independent: 30139, independent conditional: 0, independent unconditional: 30139, dependent: 1516, dependent conditional: 0, dependent unconditional: 1516, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31655, independent: 30139, independent conditional: 0, independent unconditional: 30139, dependent: 1516, dependent conditional: 0, dependent unconditional: 1516, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30275, independent: 30139, independent conditional: 0, independent unconditional: 30139, dependent: 136, dependent conditional: 0, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30275, independent: 30139, independent conditional: 0, independent unconditional: 30139, dependent: 136, dependent conditional: 0, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 136, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 136, dependent conditional: 0, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 136, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 136, dependent conditional: 0, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 136, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 136, dependent conditional: 0, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 728, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 728, dependent conditional: 0, dependent unconditional: 728, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31655, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1380, dependent conditional: 0, dependent unconditional: 1380, unknown: 30275, unknown conditional: 0, unknown unconditional: 30275] , Statistics on independence cache: Total cache size (in pairs): 30275, Positive cache size: 30139, Positive conditional cache size: 0, Positive unconditional cache size: 30139, Negative cache size: 136, Negative conditional cache size: 0, Negative unconditional cache size: 136, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1380, Maximal queried relation: 15, Independence queries for same thread: 1905 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 103 - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 203 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 252.8s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 215.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1197, 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: 0.5s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 28.3s InterpolantComputationTime, 6936 NumberOfCodeBlocks, 6819 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 10291 ConstructedInterpolants, 0 QuantifiedInterpolants, 32412 SizeOfPredicates, 329 NumberOfNonLiveVariables, 8822 ConjunctsInSsa, 346 ConjunctsInUnsatCore, 43 InterpolantComputations, 2 PerfectInterpolantSequences, 8439/12530 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