/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONLY_ONE_CEGAR -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-08 05:11:03,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-08 05:11:03,299 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-09-08 05:11:03,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-08 05:11:03,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-08 05:11:03,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-08 05:11:03,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-08 05:11:03,316 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-08 05:11:03,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-08 05:11:03,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-08 05:11:03,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-08 05:11:03,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-08 05:11:03,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-08 05:11:03,317 INFO L153 SettingsManager]: * Use SBE=true [2023-09-08 05:11:03,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-08 05:11:03,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-08 05:11:03,318 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-08 05:11:03,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-08 05:11:03,319 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-08 05:11:03,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-08 05:11:03,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-08 05:11:03,319 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-08 05:11:03,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-08 05:11:03,320 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-08 05:11:03,320 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-08 05:11:03,320 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-08 05:11:03,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-08 05:11:03,321 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-08 05:11:03,321 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-08 05:11:03,321 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-08 05:11:03,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 05:11:03,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-08 05:11:03,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-08 05:11:03,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-08 05:11:03,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-08 05:11:03,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-08 05:11:03,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-08 05:11:03,323 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-08 05:11:03,323 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-08 05:11:03,323 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-09-08 05:11:03,323 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-08 05:11:03,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-08 05:11:03,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-08 05:11:03,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-08 05:11:03,517 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-08 05:11:03,517 INFO L274 PluginConnector]: CDTParser initialized [2023-09-08 05:11:03,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2023-09-08 05:11:04,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-08 05:11:04,701 INFO L384 CDTParser]: Found 1 translation units. [2023-09-08 05:11:04,702 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2023-09-08 05:11:04,710 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcadf1a85/294ac586b4ac4fd386679c9c8f685ed2/FLAG7d9bac415 [2023-09-08 05:11:04,723 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcadf1a85/294ac586b4ac4fd386679c9c8f685ed2 [2023-09-08 05:11:04,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-08 05:11:04,729 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-08 05:11:04,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-08 05:11:04,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-08 05:11:04,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-08 05:11:04,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 05:11:04" (1/1) ... [2023-09-08 05:11:04,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20cbc025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:11:04, skipping insertion in model container [2023-09-08 05:11:04,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 05:11:04" (1/1) ... [2023-09-08 05:11:04,760 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-08 05:11:04,895 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2023-09-08 05:11:04,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 05:11:04,913 INFO L202 MainTranslator]: Completed pre-run [2023-09-08 05:11:04,950 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2023-09-08 05:11:04,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 05:11:04,969 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 05:11:04,969 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 05:11:04,974 INFO L206 MainTranslator]: Completed translation [2023-09-08 05:11:04,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:11:04 WrapperNode [2023-09-08 05:11:04,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-08 05:11:04,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-08 05:11:04,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-08 05:11:04,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-08 05:11:04,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:11:04" (1/1) ... [2023-09-08 05:11:04,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:11:04" (1/1) ... [2023-09-08 05:11:05,012 INFO L138 Inliner]: procedures = 26, calls = 75, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 328 [2023-09-08 05:11:05,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-08 05:11:05,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-08 05:11:05,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-08 05:11:05,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-08 05:11:05,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:11:04" (1/1) ... [2023-09-08 05:11:05,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:11:04" (1/1) ... [2023-09-08 05:11:05,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:11:04" (1/1) ... [2023-09-08 05:11:05,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:11:04" (1/1) ... [2023-09-08 05:11:05,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:11:04" (1/1) ... [2023-09-08 05:11:05,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:11:04" (1/1) ... [2023-09-08 05:11:05,047 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:11:04" (1/1) ... [2023-09-08 05:11:05,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:11:04" (1/1) ... [2023-09-08 05:11:05,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-08 05:11:05,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-08 05:11:05,051 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-08 05:11:05,051 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-08 05:11:05,052 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:11:04" (1/1) ... [2023-09-08 05:11:05,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 05:11:05,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:11:05,079 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) [2023-09-08 05:11:05,093 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 [2023-09-08 05:11:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-08 05:11:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-08 05:11:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-08 05:11:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-08 05:11:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-08 05:11:05,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-08 05:11:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-08 05:11:05,121 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-08 05:11:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-09-08 05:11:05,121 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-09-08 05:11:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-09-08 05:11:05,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-09-08 05:11:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-08 05:11:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-08 05:11:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-08 05:11:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-08 05:11:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-08 05:11:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-08 05:11:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-08 05:11:05,124 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-08 05:11:05,207 INFO L236 CfgBuilder]: Building ICFG [2023-09-08 05:11:05,208 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-08 05:11:05,476 INFO L277 CfgBuilder]: Performing block encoding [2023-09-08 05:11:05,623 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-08 05:11:05,623 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-09-08 05:11:05,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 05:11:05 BoogieIcfgContainer [2023-09-08 05:11:05,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-08 05:11:05,628 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-08 05:11:05,628 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-08 05:11:05,630 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-08 05:11:05,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 05:11:04" (1/3) ... [2023-09-08 05:11:05,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56194745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 05:11:05, skipping insertion in model container [2023-09-08 05:11:05,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:11:04" (2/3) ... [2023-09-08 05:11:05,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56194745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 05:11:05, skipping insertion in model container [2023-09-08 05:11:05,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 05:11:05" (3/3) ... [2023-09-08 05:11:05,633 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2023-09-08 05:11:05,638 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-08 05:11:05,644 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-08 05:11:05,644 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-08 05:11:05,644 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-08 05:11:05,711 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-09-08 05:11:05,745 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 05:11:05,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 05:11:05,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:11:05,748 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) [2023-09-08 05:11:05,749 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 [2023-09-08 05:11:05,769 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 05:11:05,773 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 05:11:05,776 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;@71bb455b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 05:11:05,777 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-09-08 05:11:06,005 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 2 more)] === [2023-09-08 05:11:06,009 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:11:06,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1974983864, now seen corresponding path program 1 times [2023-09-08 05:11:06,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:11:06,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678850458] [2023-09-08 05:11:06,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:11:06,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:11:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:11:06,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-09-08 05:11:06,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:11:06,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678850458] [2023-09-08 05:11:06,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678850458] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 05:11:06,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 05:11:06,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-08 05:11:06,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395009840] [2023-09-08 05:11:06,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 05:11:06,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-08 05:11:06,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:11:06,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-08 05:11:06,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-08 05:11:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:06,359 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:11:06,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 97.0) internal successors, (194), 2 states have internal predecessors, (194), 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) [2023-09-08 05:11:06,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:06,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:06,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-08 05:11:06,444 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 2 more)] === [2023-09-08 05:11:06,444 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:11:06,444 INFO L85 PathProgramCache]: Analyzing trace with hash 296185636, now seen corresponding path program 1 times [2023-09-08 05:11:06,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:11:06,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216246036] [2023-09-08 05:11:06,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:11:06,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:11:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:11:06,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-08 05:11:06,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:11:06,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216246036] [2023-09-08 05:11:06,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216246036] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 05:11:06,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 05:11:06,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-08 05:11:06,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886258734] [2023-09-08 05:11:06,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 05:11:06,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-08 05:11:06,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:11:06,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-08 05:11:06,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-09-08 05:11:06,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:06,996 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:11:06,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.166666666666668) internal successors, (187), 6 states have internal predecessors, (187), 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) [2023-09-08 05:11:06,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:06,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:07,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:07,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:11:07,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-08 05:11:07,159 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 2 more)] === [2023-09-08 05:11:07,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:11:07,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1925325581, now seen corresponding path program 1 times [2023-09-08 05:11:07,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:11:07,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543681683] [2023-09-08 05:11:07,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:11:07,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:11:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:11:07,413 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-09-08 05:11:07,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:11:07,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543681683] [2023-09-08 05:11:07,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543681683] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 05:11:07,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 05:11:07,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-08 05:11:07,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352640829] [2023-09-08 05:11:07,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 05:11:07,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-08 05:11:07,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:11:07,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-08 05:11:07,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-09-08 05:11:07,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:07,418 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:11:07,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.5) internal successors, (195), 6 states have internal predecessors, (195), 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) [2023-09-08 05:11:07,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:07,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:11:07,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:07,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:07,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:11:07,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:11:07,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-08 05:11:07,561 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 2 more)] === [2023-09-08 05:11:07,562 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:11:07,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1873557463, now seen corresponding path program 1 times [2023-09-08 05:11:07,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:11:07,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516348375] [2023-09-08 05:11:07,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:11:07,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:11:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:11:08,822 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-08 05:11:08,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:11:08,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516348375] [2023-09-08 05:11:08,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516348375] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:11:08,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679784028] [2023-09-08 05:11:08,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:11:08,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:11:08,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:11:08,838 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) [2023-09-08 05:11:08,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-08 05:11:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:11:08,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 17 conjunts are in the unsatisfiable core [2023-09-08 05:11:09,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:11:09,835 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-08 05:11:09,835 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:11:10,466 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-08 05:11:10,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679784028] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:11:10,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:11:10,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 35 [2023-09-08 05:11:10,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389617104] [2023-09-08 05:11:10,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:11:10,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-09-08 05:11:10,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:11:10,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-09-08 05:11:10,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=1028, Unknown=0, NotChecked=0, Total=1190 [2023-09-08 05:11:10,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:10,469 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:11:10,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 16.085714285714285) internal successors, (563), 35 states have internal predecessors, (563), 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) [2023-09-08 05:11:10,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:10,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:11:10,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:11:10,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:11,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:11,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:11:11,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:11:11,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-08 05:11:11,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-09-08 05:11:11,770 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,SelfDestructingSolverStorable3 [2023-09-08 05:11:11,770 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 2 more)] === [2023-09-08 05:11:11,771 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:11:11,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1413692297, now seen corresponding path program 2 times [2023-09-08 05:11:11,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:11:11,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892011658] [2023-09-08 05:11:11,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:11:11,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:11:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:11:12,301 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-08 05:11:12,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:11:12,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892011658] [2023-09-08 05:11:12,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892011658] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:11:12,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675461079] [2023-09-08 05:11:12,302 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 05:11:12,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:11:12,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:11:12,303 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) [2023-09-08 05:11:12,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-08 05:11:12,466 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 05:11:12,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 05:11:12,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 16 conjunts are in the unsatisfiable core [2023-09-08 05:11:12,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:11:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-08 05:11:12,801 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:11:12,980 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-08 05:11:12,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675461079] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:11:12,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:11:12,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 11] total 26 [2023-09-08 05:11:12,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370411318] [2023-09-08 05:11:12,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:11:12,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-09-08 05:11:12,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:11:12,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-09-08 05:11:12,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=503, Unknown=0, NotChecked=0, Total=650 [2023-09-08 05:11:12,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:12,983 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:11:12,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 17.346153846153847) internal successors, (451), 26 states have internal predecessors, (451), 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) [2023-09-08 05:11:12,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:12,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:11:12,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:11:12,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-08 05:11:12,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:13,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:13,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:11:13,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:11:13,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:11:13,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:11:13,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-09-08 05:11:14,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:11:14,047 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 2 more)] === [2023-09-08 05:11:14,047 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:11:14,047 INFO L85 PathProgramCache]: Analyzing trace with hash 348131685, now seen corresponding path program 3 times [2023-09-08 05:11:14,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:11:14,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220377179] [2023-09-08 05:11:14,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:11:14,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:11:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:11:14,463 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 18 proven. 24 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-09-08 05:11:14,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:11:14,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220377179] [2023-09-08 05:11:14,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220377179] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:11:14,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790546467] [2023-09-08 05:11:14,466 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-08 05:11:14,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:11:14,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:11:14,467 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) [2023-09-08 05:11:14,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-08 05:11:14,650 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-09-08 05:11:14,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 05:11:14,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 10 conjunts are in the unsatisfiable core [2023-09-08 05:11:14,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:11:14,908 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-09-08 05:11:14,908 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:11:15,250 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 18 proven. 44 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-09-08 05:11:15,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790546467] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:11:15,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:11:15,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 22 [2023-09-08 05:11:15,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152439397] [2023-09-08 05:11:15,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:11:15,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-09-08 05:11:15,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:11:15,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-09-08 05:11:15,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2023-09-08 05:11:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:15,253 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:11:15,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 16.09090909090909) internal successors, (354), 22 states have internal predecessors, (354), 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) [2023-09-08 05:11:15,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:15,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:11:15,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:11:15,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:11:15,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:11:15,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:11:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:11:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:11:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:11:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-08 05:11:15,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-08 05:11:15,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:11:15,876 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 2 more)] === [2023-09-08 05:11:15,877 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:11:15,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1652821961, now seen corresponding path program 4 times [2023-09-08 05:11:15,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:11:15,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951708176] [2023-09-08 05:11:15,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:11:15,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:11:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:11:16,414 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 27 proven. 135 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-09-08 05:11:16,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:11:16,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951708176] [2023-09-08 05:11:16,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951708176] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:11:16,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51559699] [2023-09-08 05:11:16,415 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-08 05:11:16,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:11:16,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:11:16,430 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) [2023-09-08 05:11:16,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-09-08 05:11:16,607 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-08 05:11:16,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 05:11:16,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 27 conjunts are in the unsatisfiable core [2023-09-08 05:11:16,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:11:17,220 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 166 proven. 27 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-09-08 05:11:17,221 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:11:17,493 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-09-08 05:11:17,493 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2023-09-08 05:11:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 81 proven. 112 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-09-08 05:11:17,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51559699] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:11:17,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:11:17,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2023-09-08 05:11:17,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32473067] [2023-09-08 05:11:17,869 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:11:17,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-09-08 05:11:17,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:11:17,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-09-08 05:11:17,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=1109, Unknown=0, NotChecked=0, Total=1332 [2023-09-08 05:11:17,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:17,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:11:17,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 9.594594594594595) internal successors, (355), 37 states have internal predecessors, (355), 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) [2023-09-08 05:11:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:11:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:11:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:11:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:11:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-08 05:11:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:18,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:18,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:11:18,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:11:18,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:11:18,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:11:18,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-08 05:11:18,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-08 05:11:18,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-09-08 05:11:18,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:11:18,704 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 2 more)] === [2023-09-08 05:11:18,704 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:11:18,704 INFO L85 PathProgramCache]: Analyzing trace with hash -534255072, now seen corresponding path program 5 times [2023-09-08 05:11:18,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:11:18,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165570444] [2023-09-08 05:11:18,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:11:18,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:11:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:11:19,312 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 36 proven. 166 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-09-08 05:11:19,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:11:19,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165570444] [2023-09-08 05:11:19,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165570444] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:11:19,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791893857] [2023-09-08 05:11:19,313 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-08 05:11:19,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:11:19,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:11:19,336 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) [2023-09-08 05:11:19,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-09-08 05:11:19,576 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2023-09-08 05:11:19,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 05:11:19,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 18 conjunts are in the unsatisfiable core [2023-09-08 05:11:19,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:11:19,990 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 179 proven. 52 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-09-08 05:11:19,990 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:11:20,490 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 132 proven. 99 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-09-08 05:11:20,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791893857] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:11:20,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:11:20,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 46 [2023-09-08 05:11:20,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000843469] [2023-09-08 05:11:20,490 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:11:20,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-09-08 05:11:20,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:11:20,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-09-08 05:11:20,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=1723, Unknown=0, NotChecked=0, Total=2070 [2023-09-08 05:11:20,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:20,493 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:11:20,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 8.304347826086957) internal successors, (382), 46 states have internal predecessors, (382), 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) [2023-09-08 05:11:20,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:20,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:11:20,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:11:20,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:11:20,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:11:20,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-08 05:11:20,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-08 05:11:20,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:21,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:21,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:11:21,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:11:21,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:11:21,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:11:21,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-08 05:11:21,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-08 05:11:21,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-08 05:11:21,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-09-08 05:11:21,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:11:21,221 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 2 more)] === [2023-09-08 05:11:21,221 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:11:21,221 INFO L85 PathProgramCache]: Analyzing trace with hash -904664311, now seen corresponding path program 6 times [2023-09-08 05:11:21,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:11:21,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017497033] [2023-09-08 05:11:21,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:11:21,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:11:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:11:21,854 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 48 proven. 198 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-09-08 05:11:21,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:11:21,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017497033] [2023-09-08 05:11:21,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017497033] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:11:21,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066207652] [2023-09-08 05:11:21,855 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-08 05:11:21,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:11:21,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:11:21,856 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) [2023-09-08 05:11:21,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-09-08 05:11:22,323 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2023-09-08 05:11:22,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 05:11:22,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 34 conjunts are in the unsatisfiable core [2023-09-08 05:11:22,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:11:22,910 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 156 proven. 127 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-09-08 05:11:22,911 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:11:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 82 proven. 201 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-09-08 05:11:23,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066207652] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:11:23,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:11:23,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22, 22] total 58 [2023-09-08 05:11:23,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586273573] [2023-09-08 05:11:23,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:11:23,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2023-09-08 05:11:23,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:11:23,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2023-09-08 05:11:23,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=522, Invalid=2784, Unknown=0, NotChecked=0, Total=3306 [2023-09-08 05:11:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:23,585 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:11:23,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 8.724137931034482) internal successors, (506), 58 states have internal predecessors, (506), 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) [2023-09-08 05:11:23,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:23,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:11:23,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:11:23,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:11:23,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:11:23,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-08 05:11:23,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-08 05:11:23,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-08 05:11:23,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:11:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:11:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:11:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:11:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-08 05:11:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-08 05:11:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-08 05:11:24,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-08 05:11:24,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-09-08 05:11:24,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:11:24,625 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 2 more)] === [2023-09-08 05:11:24,625 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:11:24,625 INFO L85 PathProgramCache]: Analyzing trace with hash -154140197, now seen corresponding path program 7 times [2023-09-08 05:11:24,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:11:24,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685505720] [2023-09-08 05:11:24,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:11:24,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:11:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:11:25,506 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 108 proven. 271 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-09-08 05:11:25,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:11:25,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685505720] [2023-09-08 05:11:25,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685505720] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:11:25,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816089180] [2023-09-08 05:11:25,507 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-09-08 05:11:25,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:11:25,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:11:25,517 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) [2023-09-08 05:11:25,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-09-08 05:11:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:11:25,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 27 conjunts are in the unsatisfiable core [2023-09-08 05:11:25,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:11:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 204 proven. 175 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-09-08 05:11:26,424 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:11:27,269 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 111 proven. 268 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-09-08 05:11:27,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816089180] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:11:27,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:11:27,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 73 [2023-09-08 05:11:27,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890964346] [2023-09-08 05:11:27,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:11:27,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2023-09-08 05:11:27,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:11:27,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2023-09-08 05:11:27,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=815, Invalid=4441, Unknown=0, NotChecked=0, Total=5256 [2023-09-08 05:11:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:27,273 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:11:27,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 6.904109589041096) internal successors, (504), 73 states have internal predecessors, (504), 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) [2023-09-08 05:11:27,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:27,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:11:27,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:11:27,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:11:27,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:11:27,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-08 05:11:27,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-08 05:11:27,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-08 05:11:27,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-08 05:11:27,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:11:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:11:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:11:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:11:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-08 05:11:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-08 05:11:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-08 05:11:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-08 05:11:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-09-08 05:11:28,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-09-08 05:11:28,385 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,SelfDestructingSolverStorable9 [2023-09-08 05:11:28,385 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 2 more)] === [2023-09-08 05:11:28,385 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:11:28,386 INFO L85 PathProgramCache]: Analyzing trace with hash 749868996, now seen corresponding path program 8 times [2023-09-08 05:11:28,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:11:28,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823415118] [2023-09-08 05:11:28,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:11:28,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:11:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:11:29,278 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 129 proven. 309 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-09-08 05:11:29,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:11:29,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823415118] [2023-09-08 05:11:29,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823415118] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:11:29,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174094995] [2023-09-08 05:11:29,278 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 05:11:29,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:11:29,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:11:29,279 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) [2023-09-08 05:11:29,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-09-08 05:11:29,494 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 05:11:29,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 05:11:29,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 30 conjunts are in the unsatisfiable core [2023-09-08 05:11:29,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:11:30,358 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 206 proven. 232 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-09-08 05:11:30,359 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:11:31,319 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 108 proven. 330 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-09-08 05:11:31,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174094995] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:11:31,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:11:31,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 82 [2023-09-08 05:11:31,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855850806] [2023-09-08 05:11:31,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:11:31,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2023-09-08 05:11:31,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:11:31,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2023-09-08 05:11:31,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1015, Invalid=5627, Unknown=0, NotChecked=0, Total=6642 [2023-09-08 05:11:31,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:31,323 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:11:31,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 6.5) internal successors, (533), 82 states have internal predecessors, (533), 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) [2023-09-08 05:11:31,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:31,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:11:31,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:11:31,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:11:31,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:11:31,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-08 05:11:31,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-08 05:11:31,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-08 05:11:31,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-08 05:11:31,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-09-08 05:11:31,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:32,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:11:32,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:11:32,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:11:32,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:11:32,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:11:32,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-08 05:11:32,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-08 05:11:32,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-08 05:11:32,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-08 05:11:32,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-09-08 05:11:32,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-09-08 05:11:32,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-09-08 05:11:32,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:11:32,526 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 2 more)] === [2023-09-08 05:11:32,526 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:11:32,526 INFO L85 PathProgramCache]: Analyzing trace with hash -268946259, now seen corresponding path program 9 times [2023-09-08 05:11:32,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:11:32,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388464697] [2023-09-08 05:11:32,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:11:32,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:11:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:11:46,728 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 31 proven. 503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 05:11:46,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:11:46,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388464697] [2023-09-08 05:11:46,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388464697] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:11:46,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990040786] [2023-09-08 05:11:46,729 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-08 05:11:46,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:11:46,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:11:46,730 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) [2023-09-08 05:11:46,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-09-08 05:11:47,546 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2023-09-08 05:11:47,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 05:11:47,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 243 conjunts are in the unsatisfiable core [2023-09-08 05:11:47,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:11:55,688 INFO L322 Elim1Store]: treesize reduction 27, result has 81.4 percent of original size [2023-09-08 05:11:55,688 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 172 treesize of output 163 [2023-09-08 05:11:56,150 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 9 proven. 524 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-08 05:11:56,150 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:12:00,860 INFO L322 Elim1Store]: treesize reduction 305, result has 38.1 percent of original size [2023-09-08 05:12:00,860 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 233 treesize of output 244 [2023-09-08 05:12:03,297 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-08 05:12:03,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990040786] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:12:03,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:12:03,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 62, 58] total 179 [2023-09-08 05:12:03,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594672312] [2023-09-08 05:12:03,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:12:03,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 179 states [2023-09-08 05:12:03,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:12:03,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2023-09-08 05:12:03,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3377, Invalid=28485, Unknown=0, NotChecked=0, Total=31862 [2023-09-08 05:12:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:12:03,307 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:12:03,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 179 states, 179 states have (on average 5.100558659217877) internal successors, (913), 179 states have internal predecessors, (913), 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) [2023-09-08 05:12:03,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:12:03,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:12:03,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:12:03,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:12:03,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:12:03,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-08 05:12:03,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-08 05:12:03,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-08 05:12:03,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-08 05:12:03,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-09-08 05:12:03,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-09-08 05:12:03,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:12:19,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:12:19,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:12:19,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:12:19,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:12:19,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:12:19,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-08 05:12:19,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-08 05:12:19,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-08 05:12:19,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-08 05:12:19,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-09-08 05:12:19,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-09-08 05:12:19,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-09-08 05:12:19,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-09-08 05:12:19,937 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,SelfDestructingSolverStorable11 [2023-09-08 05:12:19,937 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 2 more)] === [2023-09-08 05:12:19,937 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:12:19,938 INFO L85 PathProgramCache]: Analyzing trace with hash -347717059, now seen corresponding path program 10 times [2023-09-08 05:12:19,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:12:19,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264945175] [2023-09-08 05:12:19,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:12:19,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:12:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:12:20,809 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 119 proven. 93 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2023-09-08 05:12:20,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:12:20,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264945175] [2023-09-08 05:12:20,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264945175] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:12:20,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859354734] [2023-09-08 05:12:20,809 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-08 05:12:20,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:12:20,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:12:20,825 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) [2023-09-08 05:12:20,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-09-08 05:12:21,225 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-08 05:12:21,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 05:12:21,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 995 conjuncts, 31 conjunts are in the unsatisfiable core [2023-09-08 05:12:21,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:12:21,919 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 100 proven. 110 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2023-09-08 05:12:21,919 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:12:22,238 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 119 proven. 91 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2023-09-08 05:12:22,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859354734] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:12:22,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:12:22,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 12] total 27 [2023-09-08 05:12:22,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456329748] [2023-09-08 05:12:22,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:12:22,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-09-08 05:12:22,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:12:22,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-09-08 05:12:22,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=521, Unknown=0, NotChecked=0, Total=702 [2023-09-08 05:12:22,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:12:22,241 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:12:22,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 16.59259259259259) internal successors, (448), 27 states have internal predecessors, (448), 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) [2023-09-08 05:12:22,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:12:22,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:12:22,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:12:22,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:12:22,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:12:22,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-08 05:12:22,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-08 05:12:22,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-08 05:12:22,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-08 05:12:22,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-09-08 05:12:22,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-09-08 05:12:22,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2023-09-08 05:12:22,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:12:22,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:12:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:12:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:12:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:12:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:12:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-08 05:12:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-08 05:12:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-08 05:12:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-08 05:12:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-09-08 05:12:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-09-08 05:12:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-09-08 05:12:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-09-08 05:12:22,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-09-08 05:12:23,111 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,SelfDestructingSolverStorable12 [2023-09-08 05:12:23,112 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 2 more)] === [2023-09-08 05:12:23,112 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:12:23,113 INFO L85 PathProgramCache]: Analyzing trace with hash 793003668, now seen corresponding path program 11 times [2023-09-08 05:12:23,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:12:23,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323660018] [2023-09-08 05:12:23,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:12:23,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:12:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:12:24,231 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 207 proven. 525 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-09-08 05:12:24,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:12:24,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323660018] [2023-09-08 05:12:24,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323660018] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:12:24,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658919747] [2023-09-08 05:12:24,232 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-08 05:12:24,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:12:24,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:12:24,234 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) [2023-09-08 05:12:24,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-09-08 05:12:24,589 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2023-09-08 05:12:24,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 05:12:24,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 37 conjunts are in the unsatisfiable core [2023-09-08 05:12:24,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:12:25,506 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 364 proven. 370 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-09-08 05:12:25,506 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:12:26,750 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 207 proven. 527 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-09-08 05:12:26,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658919747] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:12:26,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:12:26,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 37, 37] total 103 [2023-09-08 05:12:26,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361246351] [2023-09-08 05:12:26,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:12:26,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2023-09-08 05:12:26,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:12:26,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2023-09-08 05:12:26,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1644, Invalid=8862, Unknown=0, NotChecked=0, Total=10506 [2023-09-08 05:12:26,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:12:26,757 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:12:26,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 6.640776699029126) internal successors, (684), 103 states have internal predecessors, (684), 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) [2023-09-08 05:12:26,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:12:26,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:12:26,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:12:26,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:12:26,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:12:26,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-08 05:12:26,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-08 05:12:26,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-08 05:12:26,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-08 05:12:26,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-09-08 05:12:26,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-09-08 05:12:26,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2023-09-08 05:12:26,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-09-08 05:12:26,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:12:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:12:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:12:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:12:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:12:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:12:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-08 05:12:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-08 05:12:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-08 05:12:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-08 05:12:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-09-08 05:12:28,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-09-08 05:12:28,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-09-08 05:12:28,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-09-08 05:12:28,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-09-08 05:12:28,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-09-08 05:12:28,447 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,SelfDestructingSolverStorable13 [2023-09-08 05:12:28,447 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 2 more)] === [2023-09-08 05:12:28,447 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:12:28,447 INFO L85 PathProgramCache]: Analyzing trace with hash 230347494, now seen corresponding path program 12 times [2023-09-08 05:12:28,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:12:28,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603721673] [2023-09-08 05:12:28,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:12:28,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:12:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:12:47,155 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 21 proven. 942 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 05:12:47,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:12:47,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603721673] [2023-09-08 05:12:47,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603721673] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:12:47,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296396899] [2023-09-08 05:12:47,155 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-08 05:12:47,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:12:47,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:12:47,156 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) [2023-09-08 05:12:47,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-09-08 05:12:48,262 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2023-09-08 05:12:48,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 05:12:48,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 1129 conjuncts, 349 conjunts are in the unsatisfiable core [2023-09-08 05:12:48,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:12:48,338 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 05:12:48,399 INFO L322 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-09-08 05:12:48,400 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2023-09-08 05:12:48,475 INFO L322 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-09-08 05:12:48,475 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2023-09-08 05:12:48,562 INFO L322 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2023-09-08 05:12:48,562 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 36 [2023-09-08 05:12:49,518 INFO L322 Elim1Store]: treesize reduction 36, result has 42.9 percent of original size [2023-09-08 05:12:49,519 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 53 [2023-09-08 05:12:54,259 INFO L322 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2023-09-08 05:12:54,260 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 38 [2023-09-08 05:12:54,619 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-09-08 05:12:55,865 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 05:12:56,063 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 05:12:56,254 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 05:12:56,413 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 05:13:06,286 INFO L322 Elim1Store]: treesize reduction 36, result has 75.2 percent of original size [2023-09-08 05:13:06,286 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 210 treesize of output 166 [2023-09-08 05:13:06,880 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 15 proven. 948 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 05:13:06,880 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:13:22,991 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 05:13:22,992 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1321 treesize of output 877 [2023-09-08 05:13:23,528 INFO L322 Elim1Store]: treesize reduction 48, result has 80.0 percent of original size [2023-09-08 05:13:23,532 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 9709907 treesize of output 9166130 [2023-09-08 05:13:25,191 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 05:13:25,192 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 12 case distinctions, treesize of input 40265 treesize of output 38676 [2023-09-08 05:13:25,668 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 05:13:25,669 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 12 case distinctions, treesize of input 38627 treesize of output 24494 [2023-09-08 05:13:26,150 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 05:13:26,151 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 12 case distinctions, treesize of input 24178 treesize of output 20797 [2023-09-08 05:13:26,703 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 05:13:26,704 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 12 case distinctions, treesize of input 20707 treesize of output 13742 [2023-09-08 05:23:57,102 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 0 proven. 963 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 05:23:57,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296396899] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:23:57,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:23:57,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 91, 85] total 251 [2023-09-08 05:23:57,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263939338] [2023-09-08 05:23:57,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:23:57,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 251 states [2023-09-08 05:23:57,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:23:57,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 251 interpolants. [2023-09-08 05:23:57,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8291, Invalid=54300, Unknown=159, NotChecked=0, Total=62750 [2023-09-08 05:23:57,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:23:57,121 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:23:57,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 251 states, 251 states have (on average 4.139442231075697) internal successors, (1039), 251 states have internal predecessors, (1039), 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) [2023-09-08 05:23:57,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:23:57,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:23:57,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:23:57,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-08 05:23:57,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-08 05:23:57,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-08 05:23:57,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-08 05:23:57,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-08 05:23:57,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-08 05:23:57,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-09-08 05:23:57,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-09-08 05:23:57,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2023-09-08 05:23:57,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-09-08 05:23:57,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-09-08 05:23:57,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-09-08 05:24:57,157 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 [2023-09-08 05:24:57,157 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-08 05:24:57,157 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 [2023-09-08 05:24:57,510 WARN L266 SmtUtils]: Removed 30 from assertion stack [2023-09-08 05:24:57,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-09-08 05:24:57,710 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,SelfDestructingSolverStorable14 [2023-09-08 05:24:57,711 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 475 for 58216ms.. [2023-09-08 05:24:57,712 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-09-08 05:24:57,713 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-09-08 05:24:57,713 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-09-08 05:24:57,713 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-09-08 05:24:57,713 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-09-08 05:24:57,715 INFO L445 BasicCegarLoop]: Path program histogram: [12, 1, 1, 1] [2023-09-08 05:24:57,717 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-08 05:24:57,717 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-08 05:24:57,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 05:24:57 BasicIcfg [2023-09-08 05:24:57,719 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-08 05:24:57,719 INFO L158 Benchmark]: Toolchain (without parser) took 832990.75ms. Allocated memory was 211.8MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 173.0MB in the beginning and 1.1GB in the end (delta: -889.9MB). Peak memory consumption was 641.1MB. Max. memory is 7.0GB. [2023-09-08 05:24:57,719 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory was 124.0MB in the beginning and 123.9MB in the end (delta: 122.4kB). There was no memory consumed. Max. memory is 7.0GB. [2023-09-08 05:24:57,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.89ms. Allocated memory is still 211.8MB. Free memory was 173.0MB in the beginning and 160.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. [2023-09-08 05:24:57,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.86ms. Allocated memory is still 211.8MB. Free memory was 160.5MB in the beginning and 157.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-08 05:24:57,720 INFO L158 Benchmark]: Boogie Preprocessor took 37.47ms. Allocated memory is still 211.8MB. Free memory was 157.3MB in the beginning and 155.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-08 05:24:57,720 INFO L158 Benchmark]: RCFGBuilder took 574.12ms. Allocated memory is still 211.8MB. Free memory was 155.2MB in the beginning and 175.7MB in the end (delta: -20.5MB). Peak memory consumption was 51.3MB. Max. memory is 7.0GB. [2023-09-08 05:24:57,720 INFO L158 Benchmark]: TraceAbstraction took 832090.88ms. Allocated memory was 211.8MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 175.2MB in the beginning and 1.1GB in the end (delta: -887.7MB). Peak memory consumption was 642.2MB. Max. memory is 7.0GB. [2023-09-08 05:24:57,721 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory was 124.0MB in the beginning and 123.9MB in the end (delta: 122.4kB). There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 244.89ms. Allocated memory is still 211.8MB. Free memory was 173.0MB in the beginning and 160.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 37.86ms. Allocated memory is still 211.8MB. Free memory was 160.5MB in the beginning and 157.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 37.47ms. Allocated memory is still 211.8MB. Free memory was 157.3MB in the beginning and 155.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 574.12ms. Allocated memory is still 211.8MB. Free memory was 155.2MB in the beginning and 175.7MB in the end (delta: -20.5MB). Peak memory consumption was 51.3MB. Max. memory is 7.0GB. * TraceAbstraction took 832090.88ms. Allocated memory was 211.8MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 175.2MB in the beginning and 1.1GB in the end (delta: -887.7MB). Peak memory consumption was 642.2MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 168588, independent: 146497, independent conditional: 146497, independent unconditional: 0, dependent: 22091, dependent conditional: 22091, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 148080, independent: 146497, independent conditional: 146497, independent unconditional: 0, dependent: 1583, dependent conditional: 1583, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 148080, independent: 146497, independent conditional: 146497, independent unconditional: 0, dependent: 1583, dependent conditional: 1583, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 163540, independent: 146497, independent conditional: 255, independent unconditional: 146242, dependent: 17043, dependent conditional: 15205, dependent unconditional: 1838, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 163540, independent: 146497, independent conditional: 255, independent unconditional: 146242, dependent: 17043, dependent conditional: 3377, dependent unconditional: 13666, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 163540, independent: 146497, independent conditional: 255, independent unconditional: 146242, dependent: 17043, dependent conditional: 3377, dependent unconditional: 13666, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 598, independent: 549, independent conditional: 22, independent unconditional: 527, dependent: 49, dependent conditional: 44, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 598, independent: 525, independent conditional: 0, independent unconditional: 525, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 73, independent: 24, independent conditional: 22, independent unconditional: 2, dependent: 49, dependent conditional: 44, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 73, independent: 24, independent conditional: 22, independent unconditional: 2, dependent: 49, dependent conditional: 44, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 467, independent: 147, independent conditional: 126, independent unconditional: 21, dependent: 320, dependent conditional: 257, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 163540, independent: 145948, independent conditional: 233, independent unconditional: 145715, dependent: 16994, dependent conditional: 3333, dependent unconditional: 13661, unknown: 598, unknown conditional: 66, unknown unconditional: 532] , Statistics on independence cache: Total cache size (in pairs): 598, Positive cache size: 549, Positive conditional cache size: 22, Positive unconditional cache size: 527, Negative cache size: 49, Negative conditional cache size: 44, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11828, Maximal queried relation: 14, Independence queries for same thread: 20508 - TimeoutResultAtElement [Line: 150]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 475 for 58216ms.. - TimeoutResultAtElement [Line: 140]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 475 for 58216ms.. - TimeoutResultAtElement [Line: 142]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 475 for 58216ms.. - TimeoutResultAtElement [Line: 141]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 475 for 58216ms.. - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 475 for 58216ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 253 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 832.0s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 85.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 428, 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: 0.6s SsaConstructionTime, 4.6s SatisfiabilityAnalysisTime, 736.9s InterpolantComputationTime, 7442 NumberOfCodeBlocks, 7331 NumberOfCodeBlocksAsserted, 95 NumberOfCheckSat, 10836 ConstructedInterpolants, 365 QuantifiedInterpolants, 157351 SizeOfPredicates, 510 NumberOfNonLiveVariables, 10049 ConjunctsInSsa, 839 ConjunctsInUnsatCore, 39 InterpolantComputations, 3 PerfectInterpolantSequences, 5916/14839 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