/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/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONLY_ONE_CEGAR -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-08 02:22:23,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-08 02:22:23,587 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-08 02:22:23,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-08 02:22:23,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-08 02:22:23,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-08 02:22:23,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-08 02:22:23,618 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-08 02:22:23,618 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-08 02:22:23,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-08 02:22:23,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-08 02:22:23,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-08 02:22:23,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-08 02:22:23,623 INFO L153 SettingsManager]: * Use SBE=true [2023-09-08 02:22:23,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-08 02:22:23,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-08 02:22:23,623 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-08 02:22:23,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-08 02:22:23,624 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-08 02:22:23,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-08 02:22:23,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-08 02:22:23,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-08 02:22:23,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-08 02:22:23,625 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-08 02:22:23,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-08 02:22:23,625 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-08 02:22:23,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-08 02:22:23,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-08 02:22:23,626 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-08 02:22:23,626 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-08 02:22:23,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 02:22:23,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-08 02:22:23,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-08 02:22:23,627 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-08 02:22:23,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-08 02:22:23,627 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-08 02:22:23,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-08 02:22:23,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-08 02:22:23,627 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-08 02:22:23,627 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-08 02:22:23,628 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-08 02:22:23,628 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-08 02:22:23,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-08 02:22:23,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-08 02:22:23,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-08 02:22:23,828 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-08 02:22:23,828 INFO L274 PluginConnector]: CDTParser initialized [2023-09-08 02:22:23,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2023-09-08 02:22:24,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-08 02:22:24,901 INFO L384 CDTParser]: Found 1 translation units. [2023-09-08 02:22:24,902 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2023-09-08 02:22:24,907 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e55ad52f8/837049f1bea74010908967db4d07976e/FLAG0c0f60537 [2023-09-08 02:22:24,915 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e55ad52f8/837049f1bea74010908967db4d07976e [2023-09-08 02:22:24,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-08 02:22:24,917 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-08 02:22:24,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-08 02:22:24,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-08 02:22:24,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-08 02:22:24,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:22:24" (1/1) ... [2023-09-08 02:22:24,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bea8f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:22:24, skipping insertion in model container [2023-09-08 02:22:24,922 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:22:24" (1/1) ... [2023-09-08 02:22:24,942 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-08 02:22:25,078 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/unroll-cond-4.wvr.c[2808,2821] [2023-09-08 02:22:25,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 02:22:25,088 INFO L202 MainTranslator]: Completed pre-run [2023-09-08 02:22:25,104 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/unroll-cond-4.wvr.c[2808,2821] [2023-09-08 02:22:25,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 02:22:25,115 INFO L206 MainTranslator]: Completed translation [2023-09-08 02:22:25,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:22:25 WrapperNode [2023-09-08 02:22:25,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-08 02:22:25,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-08 02:22:25,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-08 02:22:25,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-08 02:22:25,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:22:25" (1/1) ... [2023-09-08 02:22:25,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:22:25" (1/1) ... [2023-09-08 02:22:25,145 INFO L138 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 187 [2023-09-08 02:22:25,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-08 02:22:25,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-08 02:22:25,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-08 02:22:25,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-08 02:22:25,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:22:25" (1/1) ... [2023-09-08 02:22:25,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:22:25" (1/1) ... [2023-09-08 02:22:25,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:22:25" (1/1) ... [2023-09-08 02:22:25,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:22:25" (1/1) ... [2023-09-08 02:22:25,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:22:25" (1/1) ... [2023-09-08 02:22:25,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:22:25" (1/1) ... [2023-09-08 02:22:25,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:22:25" (1/1) ... [2023-09-08 02:22:25,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:22:25" (1/1) ... [2023-09-08 02:22:25,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-08 02:22:25,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-08 02:22:25,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-08 02:22:25,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-08 02:22:25,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:22:25" (1/1) ... [2023-09-08 02:22:25,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 02:22:25,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:22:25,196 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 02:22:25,201 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 02:22:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-08 02:22:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-08 02:22:25,218 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-08 02:22:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-08 02:22:25,218 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-08 02:22:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-08 02:22:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-08 02:22:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-08 02:22:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-08 02:22:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-08 02:22:25,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-08 02:22:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-08 02:22:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-08 02:22:25,219 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 02:22:25,282 INFO L236 CfgBuilder]: Building ICFG [2023-09-08 02:22:25,284 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-08 02:22:25,499 INFO L277 CfgBuilder]: Performing block encoding [2023-09-08 02:22:25,505 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-08 02:22:25,505 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-09-08 02:22:25,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:22:25 BoogieIcfgContainer [2023-09-08 02:22:25,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-08 02:22:25,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-08 02:22:25,532 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-08 02:22:25,534 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-08 02:22:25,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 02:22:24" (1/3) ... [2023-09-08 02:22:25,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78eeea83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:22:25, skipping insertion in model container [2023-09-08 02:22:25,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:22:25" (2/3) ... [2023-09-08 02:22:25,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78eeea83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:22:25, skipping insertion in model container [2023-09-08 02:22:25,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:22:25" (3/3) ... [2023-09-08 02:22:25,536 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.c [2023-09-08 02:22:25,541 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-08 02:22:25,547 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-08 02:22:25,547 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-08 02:22:25,547 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-08 02:22:25,618 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-08 02:22:25,653 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 02:22:25,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 02:22:25,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:22:25,656 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 02:22:25,657 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 02:22:25,687 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 02:22:25,692 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 02:22:25,695 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;@5faf004d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 02:22:25,696 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. Found a loop, use abstraction hammer [2023-09-08 02:22:26,589 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:22:26,594 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:22:26,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1109422877, now seen corresponding path program 1 times [2023-09-08 02:22:26,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:22:26,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695458980] [2023-09-08 02:22:26,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:22:26,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:22:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:22:26,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:22:26,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:22:26,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695458980] [2023-09-08 02:22:26,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695458980] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 02:22:26,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 02:22:26,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-08 02:22:26,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930672593] [2023-09-08 02:22:26,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 02:22:26,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-08 02:22:26,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:22:26,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-08 02:22:26,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-08 02:22:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:22:26,856 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:22:26,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 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 02:22:26,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-08 02:22:27,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:22:27,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-08 02:22:27,535 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:22:27,535 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:22:27,536 INFO L85 PathProgramCache]: Analyzing trace with hash -2039633041, now seen corresponding path program 1 times [2023-09-08 02:22:27,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:22:27,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116193654] [2023-09-08 02:22:27,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:22:27,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:22:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:22:28,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-08 02:22:28,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:22:28,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116193654] [2023-09-08 02:22:28,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116193654] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 02:22:28,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 02:22:28,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-09-08 02:22:28,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556265859] [2023-09-08 02:22:28,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 02:22:28,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-09-08 02:22:28,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:22:28,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-09-08 02:22:28,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-09-08 02:22:28,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:22:28,042 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:22:28,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 9 states have internal predecessors, (126), 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 02:22:28,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:22:28,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-08 02:22:28,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:22:28,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-08 02:22:28,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-08 02:22:28,798 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:22:28,799 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:22:28,799 INFO L85 PathProgramCache]: Analyzing trace with hash -394116039, now seen corresponding path program 1 times [2023-09-08 02:22:28,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:22:28,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745149001] [2023-09-08 02:22:28,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:22:28,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:22:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:22:29,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-08 02:22:29,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:22:29,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745149001] [2023-09-08 02:22:29,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745149001] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:22:29,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673587638] [2023-09-08 02:22:29,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:22:29,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:22:29,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:22:29,195 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 02:22:29,223 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 02:22:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:22:29,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 33 conjunts are in the unsatisfiable core [2023-09-08 02:22:29,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:22:29,931 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-09-08 02:22:30,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:22:30,003 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:22:30,402 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-09-08 02:22:30,403 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 19 treesize of output 7 [2023-09-08 02:22:30,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:22:30,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673587638] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:22:30,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:22:30,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 18, 18] total 38 [2023-09-08 02:22:30,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364000206] [2023-09-08 02:22:30,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:22:30,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-09-08 02:22:30,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:22:30,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-09-08 02:22:30,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1288, Unknown=0, NotChecked=0, Total=1406 [2023-09-08 02:22:30,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:22:30,956 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:22:30,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 9.526315789473685) internal successors, (362), 38 states have internal predecessors, (362), 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 02:22:30,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:22:30,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-08 02:22:30,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-08 02:22:33,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:22:33,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-08 02:22:33,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-09-08 02:22:33,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-08 02:22:33,278 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,SelfDestructingSolverStorable2 [2023-09-08 02:22:33,278 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:22:33,278 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:22:33,278 INFO L85 PathProgramCache]: Analyzing trace with hash 851101927, now seen corresponding path program 2 times [2023-09-08 02:22:33,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:22:33,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108295120] [2023-09-08 02:22:33,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:22:33,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:22:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:22:33,597 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-08 02:22:33,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:22:33,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108295120] [2023-09-08 02:22:33,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108295120] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:22:33,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087041932] [2023-09-08 02:22:33,598 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 02:22:33,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:22:33,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:22:33,599 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 02:22:33,669 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 02:22:33,741 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 02:22:33,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:22:33,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 22 conjunts are in the unsatisfiable core [2023-09-08 02:22:33,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:22:33,990 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-08 02:22:33,990 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:22:34,307 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-08 02:22:34,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087041932] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:22:34,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:22:34,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 23 [2023-09-08 02:22:34,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443635751] [2023-09-08 02:22:34,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:22:34,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-09-08 02:22:34,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:22:34,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-09-08 02:22:34,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2023-09-08 02:22:34,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:22:34,310 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:22:34,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 8.869565217391305) internal successors, (204), 23 states have internal predecessors, (204), 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 02:22:34,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:22:34,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-08 02:22:34,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-09-08 02:22:34,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-08 02:22:36,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:22:36,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-08 02:22:36,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-09-08 02:22:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-08 02:22:36,415 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 02:22:36,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:22:36,608 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:22:36,608 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:22:36,608 INFO L85 PathProgramCache]: Analyzing trace with hash 779546033, now seen corresponding path program 3 times [2023-09-08 02:22:36,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:22:36,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002734413] [2023-09-08 02:22:36,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:22:36,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:22:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:22:43,066 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:22:43,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:22:43,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002734413] [2023-09-08 02:22:43,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002734413] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:22:43,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436577637] [2023-09-08 02:22:43,067 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-08 02:22:43,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:22:43,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:22:43,068 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 02:22:43,109 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 02:22:43,348 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-09-08 02:22:43,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:22:43,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 55 conjunts are in the unsatisfiable core [2023-09-08 02:22:43,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:22:44,789 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 02:22:44,790 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 41 [2023-09-08 02:22:44,822 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-08 02:22:44,822 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:22:45,560 INFO L322 Elim1Store]: treesize reduction 15, result has 90.2 percent of original size [2023-09-08 02:22:45,561 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 51 treesize of output 173 [2023-09-08 02:22:45,789 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-08 02:22:45,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436577637] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:22:45,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:22:45,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 27, 17] total 76 [2023-09-08 02:22:45,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388806690] [2023-09-08 02:22:45,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:22:45,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2023-09-08 02:22:45,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:22:45,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2023-09-08 02:22:45,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=5379, Unknown=0, NotChecked=0, Total=5700 [2023-09-08 02:22:45,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:22:45,793 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:22:45,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 6.105263157894737) internal successors, (464), 76 states have internal predecessors, (464), 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 02:22:45,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:22:45,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-08 02:22:45,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-09-08 02:22:45,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-08 02:22:45,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-08 02:22:51,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:22:51,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-08 02:22:51,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-09-08 02:22:51,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-08 02:22:51,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-08 02:22:51,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-09-08 02:22:51,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:22:51,703 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:22:51,703 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:22:51,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1677281887, now seen corresponding path program 4 times [2023-09-08 02:22:51,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:22:51,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028479648] [2023-09-08 02:22:51,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:22:51,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:22:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:22:52,065 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 2 proven. 74 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-08 02:22:52,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:22:52,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028479648] [2023-09-08 02:22:52,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028479648] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:22:52,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557919497] [2023-09-08 02:22:52,066 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-08 02:22:52,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:22:52,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:22:52,074 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 02:22:52,076 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 02:22:52,224 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-08 02:22:52,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:22:52,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 19 conjunts are in the unsatisfiable core [2023-09-08 02:22:52,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:22:52,456 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-08 02:22:52,456 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:22:52,849 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 40 proven. 36 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-08 02:22:52,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557919497] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:22:52,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:22:52,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 11] total 30 [2023-09-08 02:22:52,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910926714] [2023-09-08 02:22:52,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:22:52,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-09-08 02:22:52,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:22:52,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-09-08 02:22:52,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=724, Unknown=0, NotChecked=0, Total=870 [2023-09-08 02:22:52,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:22:52,852 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:22:52,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 9.3) internal successors, (279), 30 states have internal predecessors, (279), 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 02:22:52,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:22:52,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-08 02:22:52,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-09-08 02:22:52,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-08 02:22:52,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-09-08 02:22:52,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-08 02:22:57,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:22:57,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-08 02:22:57,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-09-08 02:22:57,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-08 02:22:57,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-08 02:22:57,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-09-08 02:22:57,629 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 02:22:57,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:22:57,829 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:22:57,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:22:57,830 INFO L85 PathProgramCache]: Analyzing trace with hash -136434181, now seen corresponding path program 1 times [2023-09-08 02:22:57,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:22:57,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937218016] [2023-09-08 02:22:57,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:22:57,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:22:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:22:58,479 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-08 02:22:58,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:22:58,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937218016] [2023-09-08 02:22:58,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937218016] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:22:58,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250994977] [2023-09-08 02:22:58,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:22:58,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:22:58,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:22:58,491 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 02:22:58,518 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 02:22:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:22:58,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 65 conjunts are in the unsatisfiable core [2023-09-08 02:22:58,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:22:59,648 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-08 02:22:59,648 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:23:01,038 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-08 02:23:01,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250994977] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:23:01,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:23:01,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 34, 26] total 69 [2023-09-08 02:23:01,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982138115] [2023-09-08 02:23:01,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:23:01,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2023-09-08 02:23:01,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:23:01,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2023-09-08 02:23:01,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=335, Invalid=4357, Unknown=0, NotChecked=0, Total=4692 [2023-09-08 02:23:01,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:23:01,041 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:23:01,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 6.36231884057971) internal successors, (439), 69 states have internal predecessors, (439), 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 02:23:01,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:23:01,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-08 02:23:01,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-09-08 02:23:01,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-08 02:23:01,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-09-08 02:23:01,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-09-08 02:23:01,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-08 02:23:31,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:23:31,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-08 02:23:31,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-09-08 02:23:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-08 02:23:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-08 02:23:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-09-08 02:23:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-08 02:23:31,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-09-08 02:23:32,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:23:32,197 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:23:32,197 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:23:32,198 INFO L85 PathProgramCache]: Analyzing trace with hash 983390557, now seen corresponding path program 2 times [2023-09-08 02:23:32,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:23:32,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102161369] [2023-09-08 02:23:32,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:23:32,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:23:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-09-08 02:36:11,522 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,540 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 02:36:11,540 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 02:36:11,554 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,563 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,572 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,580 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,589 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,598 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,606 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,615 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,624 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,633 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,640 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,645 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,651 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,656 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,661 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,666 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,671 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,676 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,681 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,686 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,692 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,695 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,697 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,699 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,700 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,702 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,704 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,706 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,707 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,709 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,711 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,712 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,714 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,715 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,716 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,717 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,718 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,719 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,720 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,721 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,722 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,723 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,724 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,725 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,726 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,726 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,727 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,727 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,727 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,728 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,728 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,730 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,730 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:36:11,738 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-09-08 02:36:11,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-09-08 02:36:11,738 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 288 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 286 interpolants. [2023-09-08 02:36:11,739 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-09-08 02:36:11,739 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-09-08 02:36:11,751 INFO L445 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1] [2023-09-08 02:36:11,752 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-08 02:36:11,752 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-08 02:36:11,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 02:36:11 BasicIcfg [2023-09-08 02:36:11,754 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-08 02:36:11,754 INFO L158 Benchmark]: Toolchain (without parser) took 826836.98ms. Allocated memory was 155.2MB in the beginning and 4.0GB in the end (delta: 3.9GB). Free memory was 104.1MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 3.8GB. Max. memory is 7.0GB. [2023-09-08 02:36:11,754 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 155.2MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-08 02:36:11,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.61ms. Allocated memory is still 155.2MB. Free memory was 103.8MB in the beginning and 91.9MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-08 02:36:11,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.96ms. Allocated memory is still 155.2MB. Free memory was 91.9MB in the beginning and 89.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-08 02:36:11,755 INFO L158 Benchmark]: Boogie Preprocessor took 22.28ms. Allocated memory is still 155.2MB. Free memory was 89.8MB in the beginning and 88.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-08 02:36:11,755 INFO L158 Benchmark]: RCFGBuilder took 362.41ms. Allocated memory was 155.2MB in the beginning and 237.0MB in the end (delta: 81.8MB). Free memory was 88.1MB in the beginning and 205.8MB in the end (delta: -117.8MB). Peak memory consumption was 27.7MB. Max. memory is 7.0GB. [2023-09-08 02:36:11,755 INFO L158 Benchmark]: TraceAbstraction took 826221.75ms. Allocated memory was 237.0MB in the beginning and 4.0GB in the end (delta: 3.8GB). Free memory was 205.3MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 3.8GB. Max. memory is 7.0GB. [2023-09-08 02:36:11,756 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 155.2MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 197.61ms. Allocated memory is still 155.2MB. Free memory was 103.8MB in the beginning and 91.9MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 28.96ms. Allocated memory is still 155.2MB. Free memory was 91.9MB in the beginning and 89.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 22.28ms. Allocated memory is still 155.2MB. Free memory was 89.8MB in the beginning and 88.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 362.41ms. Allocated memory was 155.2MB in the beginning and 237.0MB in the end (delta: 81.8MB). Free memory was 88.1MB in the beginning and 205.8MB in the end (delta: -117.8MB). Peak memory consumption was 27.7MB. Max. memory is 7.0GB. * TraceAbstraction took 826221.75ms. Allocated memory was 237.0MB in the beginning and 4.0GB in the end (delta: 3.8GB). Free memory was 205.3MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 3.8GB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14615, independent: 13335, independent conditional: 13335, independent unconditional: 0, dependent: 1280, dependent conditional: 1280, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13335, independent: 13335, independent conditional: 13335, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13335, independent: 13335, independent conditional: 13335, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13335, independent: 13335, independent conditional: 0, independent unconditional: 13335, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13335, independent: 13335, independent conditional: 0, independent unconditional: 13335, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13335, independent: 13335, independent conditional: 0, independent unconditional: 13335, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13335, independent: 13335, independent conditional: 0, independent unconditional: 13335, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13335, independent: 13335, independent conditional: 0, independent unconditional: 13335, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 13335, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 13335, unknown conditional: 0, unknown unconditional: 13335] , Statistics on independence cache: Total cache size (in pairs): 13335, Positive cache size: 13335, Positive conditional cache size: 0, Positive unconditional cache size: 13335, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1280 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 20, RedundantProofs: 6, ProvenStates: 1107 - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 288 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 286 interpolants. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 288 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 286 interpolants. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 288 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 286 interpolants. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 314 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 826.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 48.0s, 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: 233, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 16.1s InterpolantComputationTime, 2129 NumberOfCodeBlocks, 2129 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3051 ConstructedInterpolants, 39 QuantifiedInterpolants, 25975 SizeOfPredicates, 109 NumberOfNonLiveVariables, 1819 ConjunctsInSsa, 194 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 581/1297 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