/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONLY_ONE_CEGAR -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-08 06:00:59,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-08 06:00:59,838 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-09-08 06:00:59,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-08 06:00:59,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-08 06:00:59,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-08 06:00:59,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-08 06:00:59,881 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-08 06:00:59,881 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-08 06:00:59,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-08 06:00:59,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-08 06:00:59,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-08 06:00:59,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-08 06:00:59,888 INFO L153 SettingsManager]: * Use SBE=true [2023-09-08 06:00:59,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-08 06:00:59,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-08 06:00:59,888 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-08 06:00:59,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-08 06:00:59,889 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-08 06:00:59,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-08 06:00:59,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-08 06:00:59,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-08 06:00:59,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-08 06:00:59,890 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-08 06:00:59,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-08 06:00:59,890 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-08 06:00:59,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-08 06:00:59,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-08 06:00:59,891 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-08 06:00:59,891 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-08 06:00:59,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 06:00:59,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-08 06:00:59,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-08 06:00:59,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-08 06:00:59,893 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-08 06:00:59,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-08 06:00:59,893 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-08 06:00:59,893 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-08 06:00:59,893 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-08 06:00:59,893 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-09-08 06:00:59,893 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-08 06:01:00,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-08 06:01:00,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-08 06:01:00,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-08 06:01:00,132 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-08 06:01:00,132 INFO L274 PluginConnector]: CDTParser initialized [2023-09-08 06:01:00,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2023-09-08 06:01:01,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-08 06:01:01,483 INFO L384 CDTParser]: Found 1 translation units. [2023-09-08 06:01:01,484 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2023-09-08 06:01:01,490 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2756353f2/fe938e857ea14a6da197830b1885db04/FLAGb48ab1c02 [2023-09-08 06:01:01,504 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2756353f2/fe938e857ea14a6da197830b1885db04 [2023-09-08 06:01:01,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-08 06:01:01,507 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-08 06:01:01,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-08 06:01:01,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-08 06:01:01,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-08 06:01:01,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:01:01" (1/1) ... [2023-09-08 06:01:01,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b1ca57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:01:01, skipping insertion in model container [2023-09-08 06:01:01,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:01:01" (1/1) ... [2023-09-08 06:01:01,543 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-08 06:01:01,679 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c[2987,3000] [2023-09-08 06:01:01,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 06:01:01,694 INFO L202 MainTranslator]: Completed pre-run [2023-09-08 06:01:01,712 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c[2987,3000] [2023-09-08 06:01:01,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 06:01:01,721 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 06:01:01,721 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 06:01:01,727 INFO L206 MainTranslator]: Completed translation [2023-09-08 06:01:01,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:01:01 WrapperNode [2023-09-08 06:01:01,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-08 06:01:01,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-08 06:01:01,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-08 06:01:01,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-08 06:01:01,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:01:01" (1/1) ... [2023-09-08 06:01:01,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:01:01" (1/1) ... [2023-09-08 06:01:01,762 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 209 [2023-09-08 06:01:01,762 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-08 06:01:01,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-08 06:01:01,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-08 06:01:01,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-08 06:01:01,770 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:01:01" (1/1) ... [2023-09-08 06:01:01,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:01:01" (1/1) ... [2023-09-08 06:01:01,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:01:01" (1/1) ... [2023-09-08 06:01:01,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:01:01" (1/1) ... [2023-09-08 06:01:01,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:01:01" (1/1) ... [2023-09-08 06:01:01,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:01:01" (1/1) ... [2023-09-08 06:01:01,785 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:01:01" (1/1) ... [2023-09-08 06:01:01,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:01:01" (1/1) ... [2023-09-08 06:01:01,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-08 06:01:01,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-08 06:01:01,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-08 06:01:01,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-08 06:01:01,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:01:01" (1/1) ... [2023-09-08 06:01:01,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 06:01:01,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:01:01,821 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 06:01:01,834 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 06:01:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-08 06:01:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-08 06:01:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-08 06:01:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-08 06:01:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-08 06:01:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-08 06:01:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-08 06:01:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-08 06:01:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-08 06:01:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-08 06:01:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-08 06:01:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-08 06:01:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-08 06:01:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-08 06:01:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-08 06:01:01,855 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 06:01:01,939 INFO L236 CfgBuilder]: Building ICFG [2023-09-08 06:01:01,940 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-08 06:01:02,209 INFO L277 CfgBuilder]: Performing block encoding [2023-09-08 06:01:02,324 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-08 06:01:02,325 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-09-08 06:01:02,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:01:02 BoogieIcfgContainer [2023-09-08 06:01:02,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-08 06:01:02,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-08 06:01:02,330 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-08 06:01:02,334 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-08 06:01:02,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:01:01" (1/3) ... [2023-09-08 06:01:02,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe8fc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:01:02, skipping insertion in model container [2023-09-08 06:01:02,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:01:01" (2/3) ... [2023-09-08 06:01:02,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe8fc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:01:02, skipping insertion in model container [2023-09-08 06:01:02,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:01:02" (3/3) ... [2023-09-08 06:01:02,336 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-two-queue.wvr.c [2023-09-08 06:01:02,343 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-08 06:01:02,349 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-08 06:01:02,350 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-08 06:01:02,350 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-08 06:01:02,410 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-08 06:01:02,460 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 06:01:02,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 06:01:02,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:01:02,462 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 06:01:02,463 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 06:01:02,491 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 06:01:02,496 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 06:01:02,502 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;@36f1f5a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 06:01:02,502 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-09-08 06:01:02,688 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 06:01:02,693 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:01:02,693 INFO L85 PathProgramCache]: Analyzing trace with hash 460855810, now seen corresponding path program 1 times [2023-09-08 06:01:02,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:01:02,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472964156] [2023-09-08 06:01:02,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:01:02,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:01:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:01:03,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-08 06:01:03,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:01:03,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472964156] [2023-09-08 06:01:03,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472964156] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 06:01:03,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 06:01:03,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-08 06:01:03,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255932556] [2023-09-08 06:01:03,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 06:01:03,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-08 06:01:03,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:01:03,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-08 06:01:03,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-08 06:01:03,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:01:03,042 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:01:03,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 68.5) internal successors, (137), 2 states have internal predecessors, (137), 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 06:01:03,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:01:03,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:01:03,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-08 06:01:03,099 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 06:01:03,099 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:01:03,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1724168814, now seen corresponding path program 1 times [2023-09-08 06:01:03,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:01:03,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459377996] [2023-09-08 06:01:03,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:01:03,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:01:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:01:03,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:01:03,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:01:03,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459377996] [2023-09-08 06:01:03,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459377996] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 06:01:03,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 06:01:03,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-08 06:01:03,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923303416] [2023-09-08 06:01:03,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 06:01:03,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-08 06:01:03,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:01:03,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-08 06:01:03,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-09-08 06:01:03,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:01:03,492 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:01:03,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 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 06:01:03,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:01:03,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:01:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:01:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:01:03,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-08 06:01:03,641 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 06:01:03,641 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:01:03,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1338531751, now seen corresponding path program 1 times [2023-09-08 06:01:03,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:01:03,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644357561] [2023-09-08 06:01:03,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:01:03,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:01:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:01:03,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-08 06:01:03,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:01:03,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644357561] [2023-09-08 06:01:03,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644357561] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 06:01:03,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 06:01:03,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-08 06:01:03,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570404873] [2023-09-08 06:01:03,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 06:01:03,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-08 06:01:03,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:01:03,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-08 06:01:03,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-09-08 06:01:03,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:01:03,914 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:01:03,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 6 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 06:01:03,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:01:03,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:01:03,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:01:04,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:01:04,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:01:04,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:01:04,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-08 06:01:04,030 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 06:01:04,031 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:01:04,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1920191497, now seen corresponding path program 1 times [2023-09-08 06:01:04,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:01:04,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622416476] [2023-09-08 06:01:04,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:01:04,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:01:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:01:08,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:01:08,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:01:08,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622416476] [2023-09-08 06:01:08,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622416476] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:01:08,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467622535] [2023-09-08 06:01:08,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:01:08,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:01:08,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:01:08,155 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 06:01:08,157 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 06:01:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:01:08,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 92 conjunts are in the unsatisfiable core [2023-09-08 06:01:08,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:01:08,448 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 06:01:09,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-08 06:01:09,158 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2023-09-08 06:01:09,556 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-09-08 06:01:10,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-08 06:01:10,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-08 06:01:10,771 INFO L322 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-09-08 06:01:10,772 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 14 [2023-09-08 06:01:11,239 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-09-08 06:01:12,046 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 06:01:12,239 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 06:01:13,186 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2023-09-08 06:01:13,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:01:13,484 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:01:26,493 INFO L322 Elim1Store]: treesize reduction 27, result has 61.4 percent of original size [2023-09-08 06:01:26,493 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 217 treesize of output 115 [2023-09-08 06:01:26,617 INFO L322 Elim1Store]: treesize reduction 5, result has 96.6 percent of original size [2023-09-08 06:01:26,618 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 645 treesize of output 714 [2023-09-08 06:01:26,685 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 06:01:26,710 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:01:26,710 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 187 treesize of output 235 [2023-09-08 06:01:26,739 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 06:01:26,763 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:01:26,764 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 185 treesize of output 209 [2023-09-08 06:01:35,707 INFO L322 Elim1Store]: treesize reduction 27, result has 61.4 percent of original size [2023-09-08 06:01:35,707 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 217 treesize of output 115 [2023-09-08 06:01:35,827 INFO L322 Elim1Store]: treesize reduction 4, result has 97.3 percent of original size [2023-09-08 06:01:35,827 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 317 treesize of output 419 [2023-09-08 06:01:35,898 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:01:35,899 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 197 treesize of output 253 [2023-09-08 06:01:35,962 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:01:35,962 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 231 treesize of output 263 [2023-09-08 06:02:09,680 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 06:02:09,681 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 06:02:09,686 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-09-08 06:02:09,686 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 12 [2023-09-08 06:02:09,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:02:09,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467622535] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:02:09,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:02:09,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 45, 45] total 121 [2023-09-08 06:02:09,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733696583] [2023-09-08 06:02:09,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:02:09,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2023-09-08 06:02:09,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:02:09,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2023-09-08 06:02:09,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1643, Invalid=12815, Unknown=62, NotChecked=0, Total=14520 [2023-09-08 06:02:09,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:02:09,786 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:02:09,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 3.322314049586777) internal successors, (402), 121 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 06:02:09,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:02:09,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:02:09,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:02:09,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:03:19,776 WARN L234 SmtUtils]: Spent 1.15m on a formula simplification. DAG size of input: 433 DAG size of output: 428 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 06:04:31,770 WARN L234 SmtUtils]: Spent 1.12m on a formula simplification. DAG size of input: 422 DAG size of output: 417 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 06:04:34,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-08 06:04:36,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-08 06:04:38,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-08 06:05:12,449 WARN L234 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 221 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 06:05:14,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:05:14,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:05:14,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:05:14,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-09-08 06:05:14,038 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 06:05:14,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-09-08 06:05:14,233 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 06:05:14,234 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:05:14,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1514920154, now seen corresponding path program 2 times [2023-09-08 06:05:14,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:05:14,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420284338] [2023-09-08 06:05:14,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:05:14,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:05:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:05:14,513 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-08 06:05:14,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:05:14,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420284338] [2023-09-08 06:05:14,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420284338] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:05:14,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999508366] [2023-09-08 06:05:14,513 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 06:05:14,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:05:14,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:05:14,516 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 06:05:14,522 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 06:05:14,641 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 06:05:14,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 06:05:14,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 9 conjunts are in the unsatisfiable core [2023-09-08 06:05:14,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:05:14,852 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-08 06:05:14,853 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:05:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-08 06:05:15,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999508366] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:05:15,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:05:15,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-09-08 06:05:15,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110413648] [2023-09-08 06:05:15,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:05:15,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-09-08 06:05:15,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:05:15,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-09-08 06:05:15,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-09-08 06:05:15,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:05:15,121 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:05:15,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 10.947368421052632) internal successors, (208), 19 states have internal predecessors, (208), 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 06:05:15,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:05:15,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:05:15,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:05:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-09-08 06:05:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:05:15,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:05:15,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:05:15,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:05:15,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-09-08 06:05:15,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:05:15,493 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 06:05:15,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:05:15,686 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 06:05:15,686 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:05:15,687 INFO L85 PathProgramCache]: Analyzing trace with hash -107804042, now seen corresponding path program 3 times [2023-09-08 06:05:15,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:05:15,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883705317] [2023-09-08 06:05:15,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:05:15,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:05:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:05:15,928 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-09-08 06:05:15,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:05:15,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883705317] [2023-09-08 06:05:15,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883705317] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 06:05:15,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 06:05:15,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-09-08 06:05:15,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184611606] [2023-09-08 06:05:15,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 06:05:15,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-08 06:05:15,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:05:15,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-08 06:05:15,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-09-08 06:05:15,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:05:15,934 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:05:15,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 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 06:05:15,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:05:15,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:05:15,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:05:15,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-09-08 06:05:15,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:05:15,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:05:16,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:05:16,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:05:16,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:05:16,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:05:16,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:05:16,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:05:16,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-09-08 06:05:16,244 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 06:05:16,244 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:05:16,244 INFO L85 PathProgramCache]: Analyzing trace with hash 877846404, now seen corresponding path program 4 times [2023-09-08 06:05:16,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:05:16,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355680139] [2023-09-08 06:05:16,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:05:16,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:05:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:05:16,603 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 22 proven. 32 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-09-08 06:05:16,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:05:16,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355680139] [2023-09-08 06:05:16,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355680139] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:05:16,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83745091] [2023-09-08 06:05:16,603 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-08 06:05:16,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:05:16,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:05:16,605 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 06:05:16,630 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 06:05:16,739 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-08 06:05:16,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 06:05:16,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 12 conjunts are in the unsatisfiable core [2023-09-08 06:05:16,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:05:17,218 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-09-08 06:05:17,218 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:05:17,737 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-09-08 06:05:17,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83745091] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:05:17,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:05:17,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2023-09-08 06:05:17,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995065161] [2023-09-08 06:05:17,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:05:17,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-09-08 06:05:17,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:05:17,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-09-08 06:05:17,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2023-09-08 06:05:17,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:05:17,740 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:05:17,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 10.321428571428571) internal successors, (289), 28 states have internal predecessors, (289), 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 06:05:17,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:05:17,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:05:17,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:05:17,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:05:17,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:05:17,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:05:17,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:05:18,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:05:18,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:05:18,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:05:18,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:05:18,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:05:18,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:05:18,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 06:05:18,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-08 06:05:18,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:05:18,469 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 06:05:18,470 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:05:18,470 INFO L85 PathProgramCache]: Analyzing trace with hash -34687335, now seen corresponding path program 5 times [2023-09-08 06:05:18,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:05:18,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226744190] [2023-09-08 06:05:18,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:05:18,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:05:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:05:18,966 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 39 proven. 36 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-08 06:05:18,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:05:18,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226744190] [2023-09-08 06:05:18,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226744190] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:05:18,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271259155] [2023-09-08 06:05:18,967 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-08 06:05:18,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:05:18,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:05:18,970 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 06:05:18,973 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 06:05:19,113 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-09-08 06:05:19,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 06:05:19,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 10 conjunts are in the unsatisfiable core [2023-09-08 06:05:19,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:05:19,358 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-09-08 06:05:19,358 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:05:19,911 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 25 proven. 19 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-09-08 06:05:19,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271259155] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:05:19,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:05:19,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 7] total 23 [2023-09-08 06:05:19,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447920717] [2023-09-08 06:05:19,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:05:19,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-09-08 06:05:19,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:05:19,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-09-08 06:05:19,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=430, Unknown=0, NotChecked=0, Total=506 [2023-09-08 06:05:19,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:05:19,913 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:05:19,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 17.47826086956522) internal successors, (402), 23 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 06:05:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:05:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:05:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:05:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:05:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:05:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:05:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 06:05:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:05:20,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:05:20,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:05:20,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:05:20,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:05:20,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:05:20,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:05:20,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 06:05:20,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-08 06:05:20,466 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 06:05:20,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:05:20,659 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 06:05:20,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:05:20,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1999966842, now seen corresponding path program 6 times [2023-09-08 06:05:20,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:05:20,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446053219] [2023-09-08 06:05:20,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:05:20,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:05:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:05:28,542 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:05:28,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:05:28,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446053219] [2023-09-08 06:05:28,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446053219] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:05:28,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081016730] [2023-09-08 06:05:28,543 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-08 06:05:28,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:05:28,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:05:28,544 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 06:05:28,545 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 06:05:28,984 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-09-08 06:05:28,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 06:05:28,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 90 conjunts are in the unsatisfiable core [2023-09-08 06:05:28,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:05:30,777 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-09-08 06:05:31,354 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 06:05:31,465 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 06:05:33,301 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:05:33,304 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 47 treesize of output 37 [2023-09-08 06:05:33,583 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 3 proven. 72 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-09-08 06:05:33,583 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:05:53,909 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse6 (* c_~q1_front~0 4)) (.cse5 (* c_~q1_back~0 4))) (and (forall ((~q1~0.offset Int) (~q2_back~0 Int) (v_ArrVal_270 (Array Int Int)) (~q1~0.base Int) (v_~q2_front~0_45 Int) (v_ArrVal_269 (Array Int Int))) (let ((.cse8 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_269) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_270))) (let ((.cse4 (select .cse8 ~q1~0.base)) (.cse7 (select .cse8 c_~q2~0.base))) (let ((.cse0 (select .cse7 (+ (* 4 v_~q2_front~0_45) c_~q2~0.offset))) (.cse2 (select .cse7 (+ c_~q2~0.offset (* ~q2_back~0 4)))) (.cse3 (select .cse4 (+ .cse6 ~q1~0.offset 4))) (.cse1 (select .cse4 (+ .cse5 ~q1~0.offset 4)))) (or (< .cse0 (+ .cse1 1)) (< .cse0 (+ .cse2 1)) (< c_~n2~0 (+ ~q2_back~0 1)) (< .cse3 .cse2) (< v_~q2_front~0_45 1) (< .cse3 .cse1) (< ~q2_back~0 v_~q2_front~0_45)))))) (forall ((~q1~0.offset Int) (~q2_back~0 Int) (v_ArrVal_270 (Array Int Int)) (~q1~0.base Int) (v_~q2_front~0_45 Int) (v_ArrVal_269 (Array Int Int))) (let ((.cse15 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_269) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_270))) (let ((.cse14 (select .cse15 ~q1~0.base)) (.cse13 (select .cse15 c_~q2~0.base))) (let ((.cse9 (select .cse13 (+ (* 4 v_~q2_front~0_45) c_~q2~0.offset))) (.cse10 (select .cse14 (+ .cse5 ~q1~0.offset 4))) (.cse12 (select .cse14 (+ .cse6 ~q1~0.offset 4))) (.cse11 (select .cse13 (+ c_~q2~0.offset (* ~q2_back~0 4))))) (or (< .cse9 .cse10) (< c_~n2~0 (+ ~q2_back~0 1)) (< v_~q2_front~0_45 1) (< .cse9 .cse11) (< .cse12 (+ .cse10 1)) (< .cse12 (+ .cse11 1)) (< ~q2_back~0 v_~q2_front~0_45)))))))) is different from false [2023-09-08 06:05:54,147 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse7 (* c_~q1_back~0 4)) (.cse6 (* c_~q1_front~0 4))) (and (forall ((~q1~0.offset Int) (~q2_back~0 Int) (v_ArrVal_270 (Array Int Int)) (~q1~0.base Int) (v_~q2_front~0_45 Int) (v_ArrVal_269 (Array Int Int))) (let ((.cse8 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_269) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_270))) (let ((.cse4 (select .cse8 |c_ULTIMATE.start_main_#t~ret17#1.base|)) (.cse5 (select .cse8 ~q1~0.base))) (let ((.cse1 (select .cse5 (+ .cse7 ~q1~0.offset 4))) (.cse0 (select .cse5 (+ .cse6 ~q1~0.offset 4))) (.cse2 (select .cse4 (+ (* 4 v_~q2_front~0_45) |c_ULTIMATE.start_main_#t~ret17#1.offset|))) (.cse3 (select .cse4 (+ |c_ULTIMATE.start_main_#t~ret17#1.offset| (* ~q2_back~0 4))))) (or (< c_~n2~0 (+ ~q2_back~0 1)) (< v_~q2_front~0_45 1) (< .cse0 (+ .cse1 1)) (< .cse2 .cse1) (< .cse0 (+ .cse3 1)) (< .cse2 .cse3) (< ~q2_back~0 v_~q2_front~0_45)))))) (forall ((~q1~0.offset Int) (~q2_back~0 Int) (v_ArrVal_270 (Array Int Int)) (~q1~0.base Int) (v_~q2_front~0_45 Int) (v_ArrVal_269 (Array Int Int))) (let ((.cse15 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_269) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_270))) (let ((.cse13 (select .cse15 ~q1~0.base)) (.cse14 (select .cse15 |c_ULTIMATE.start_main_#t~ret17#1.base|))) (let ((.cse10 (select .cse14 (+ |c_ULTIMATE.start_main_#t~ret17#1.offset| (* ~q2_back~0 4)))) (.cse9 (select .cse13 (+ .cse6 ~q1~0.offset 4))) (.cse11 (select .cse14 (+ (* 4 v_~q2_front~0_45) |c_ULTIMATE.start_main_#t~ret17#1.offset|))) (.cse12 (select .cse13 (+ .cse7 ~q1~0.offset 4)))) (or (< .cse9 .cse10) (< c_~n2~0 (+ ~q2_back~0 1)) (< v_~q2_front~0_45 1) (< .cse11 (+ .cse10 1)) (< .cse9 .cse12) (< .cse11 (+ .cse12 1)) (< ~q2_back~0 v_~q2_front~0_45)))))))) is different from false [2023-09-08 06:05:54,251 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse5 (* c_~q1_back~0 4)) (.cse6 (* c_~q1_front~0 4))) (and (forall ((~q1~0.offset Int) (~q2_back~0 Int) (v_ArrVal_270 (Array Int Int)) (~q1~0.base Int) (v_~q2_front~0_45 Int) (v_ArrVal_269 (Array Int Int))) (let ((.cse8 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_269) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_270))) (let ((.cse4 (select .cse8 ~q1~0.base)) (.cse7 (select .cse8 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (let ((.cse0 (select .cse7 (+ (* 4 v_~q2_front~0_45) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (.cse3 (select .cse7 (+ (* ~q2_back~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (.cse2 (select .cse4 (+ .cse6 ~q1~0.offset 4))) (.cse1 (select .cse4 (+ .cse5 ~q1~0.offset 4)))) (or (< .cse0 .cse1) (< c_~n2~0 (+ ~q2_back~0 1)) (< .cse2 (+ .cse3 1)) (< v_~q2_front~0_45 1) (< .cse0 .cse3) (< .cse2 (+ .cse1 1)) (< ~q2_back~0 v_~q2_front~0_45)))))) (forall ((~q1~0.offset Int) (~q2_back~0 Int) (v_ArrVal_270 (Array Int Int)) (~q1~0.base Int) (v_~q2_front~0_45 Int) (v_ArrVal_269 (Array Int Int))) (let ((.cse15 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_269) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_270))) (let ((.cse13 (select .cse15 ~q1~0.base)) (.cse14 (select .cse15 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (let ((.cse10 (select .cse14 (+ (* ~q2_back~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (.cse9 (select .cse14 (+ (* 4 v_~q2_front~0_45) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (.cse11 (select .cse13 (+ .cse6 ~q1~0.offset 4))) (.cse12 (select .cse13 (+ .cse5 ~q1~0.offset 4)))) (or (< c_~n2~0 (+ ~q2_back~0 1)) (< v_~q2_front~0_45 1) (< .cse9 (+ .cse10 1)) (< .cse11 .cse10) (< .cse9 (+ .cse12 1)) (< .cse11 .cse12) (< ~q2_back~0 v_~q2_front~0_45)))))))) is different from false [2023-09-08 06:05:54,327 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse6 (* c_~q1_back~0 4)) (.cse7 (* c_~q1_front~0 4))) (and (forall ((~q1~0.offset Int) (~q2_back~0 Int) (v_ArrVal_270 (Array Int Int)) (~q1~0.base Int) (v_~q2_front~0_45 Int) (v_ArrVal_269 (Array Int Int))) (let ((.cse8 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_269) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_270))) (let ((.cse4 (select .cse8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse5 (select .cse8 ~q1~0.base))) (let ((.cse2 (select .cse5 (+ .cse7 ~q1~0.offset 4))) (.cse1 (select .cse5 (+ .cse6 ~q1~0.offset 4))) (.cse0 (select .cse4 (+ (* 4 v_~q2_front~0_45) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (.cse3 (select .cse4 (+ (* ~q2_back~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (or (< .cse0 .cse1) (< .cse2 (+ .cse3 1)) (< c_~n2~0 (+ ~q2_back~0 1)) (< v_~q2_front~0_45 1) (< .cse2 (+ .cse1 1)) (< .cse0 .cse3) (< ~q2_back~0 v_~q2_front~0_45)))))) (forall ((~q1~0.offset Int) (~q2_back~0 Int) (v_ArrVal_270 (Array Int Int)) (~q1~0.base Int) (v_~q2_front~0_45 Int) (v_ArrVal_269 (Array Int Int))) (let ((.cse15 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_269) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_270))) (let ((.cse13 (select .cse15 ~q1~0.base)) (.cse14 (select .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse9 (select .cse14 (+ (* 4 v_~q2_front~0_45) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (.cse10 (select .cse14 (+ (* ~q2_back~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (.cse12 (select .cse13 (+ .cse7 ~q1~0.offset 4))) (.cse11 (select .cse13 (+ .cse6 ~q1~0.offset 4)))) (or (< c_~n2~0 (+ ~q2_back~0 1)) (< v_~q2_front~0_45 1) (< .cse9 (+ .cse10 1)) (< .cse9 (+ .cse11 1)) (< .cse12 .cse10) (< .cse12 .cse11) (< ~q2_back~0 v_~q2_front~0_45)))))))) is different from false [2023-09-08 06:05:57,761 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:05:57,762 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 229 treesize of output 145 [2023-09-08 06:05:57,848 INFO L322 Elim1Store]: treesize reduction 9, result has 90.7 percent of original size [2023-09-08 06:05:57,848 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2077 treesize of output 1842 [2023-09-08 06:05:57,899 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 06:05:57,929 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:05:57,930 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 824 treesize of output 770 [2023-09-08 06:05:57,957 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 06:05:57,989 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:05:57,990 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 752 treesize of output 568 [2023-09-08 06:06:17,415 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:06:17,415 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 229 treesize of output 145 [2023-09-08 06:06:17,478 INFO L322 Elim1Store]: treesize reduction 53, result has 45.4 percent of original size [2023-09-08 06:06:17,478 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 3989 treesize of output 3420 [2023-09-08 06:06:17,528 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 06:06:17,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-08 06:06:17,551 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:06:17,551 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 799 treesize of output 690 [2023-09-08 06:06:17,570 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 06:06:17,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-08 06:06:17,594 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:06:17,595 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 731 treesize of output 481 [2023-09-08 06:06:19,196 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 25 refuted. 1 times theorem prover too weak. 52 trivial. 0 not checked. [2023-09-08 06:06:19,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081016730] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:06:19,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:06:19,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 43, 34] total 122 [2023-09-08 06:06:19,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520961807] [2023-09-08 06:06:19,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:06:19,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2023-09-08 06:06:19,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:06:19,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2023-09-08 06:06:19,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=739, Invalid=13052, Unknown=31, NotChecked=940, Total=14762 [2023-09-08 06:06:19,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:06:19,208 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:06:19,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 4.065573770491803) internal successors, (496), 122 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 06:06:19,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:06:19,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:06:19,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:06:19,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:06:19,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:06:19,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:06:19,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 06:06:19,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-08 06:06:19,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:06:27,775 WARN L234 SmtUtils]: Spent 8.13s on a formula simplification. DAG size of input: 101 DAG size of output: 59 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 06:06:36,214 WARN L234 SmtUtils]: Spent 8.14s on a formula simplification. DAG size of input: 102 DAG size of output: 61 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 06:06:42,611 WARN L234 SmtUtils]: Spent 6.13s on a formula simplification. DAG size of input: 103 DAG size of output: 63 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 06:06:49,544 WARN L234 SmtUtils]: Spent 6.07s on a formula simplification. DAG size of input: 195 DAG size of output: 144 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 06:07:19,658 WARN L234 SmtUtils]: Spent 24.21s on a formula simplification. DAG size of input: 95 DAG size of output: 94 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 06:07:21,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-08 06:07:50,147 WARN L234 SmtUtils]: Spent 24.22s on a formula simplification. DAG size of input: 98 DAG size of output: 97 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 06:07:52,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-08 06:07:54,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-08 06:07:56,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-08 06:07:58,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-08 06:08:00,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-08 06:08:02,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-08 06:08:04,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-08 06:08:06,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-08 06:08:08,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-08 06:08:10,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-08 06:08:12,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-08 06:08:38,852 WARN L234 SmtUtils]: Spent 24.23s on a formula simplification. DAG size of input: 101 DAG size of output: 100 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 06:08:40,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-08 06:08:42,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-08 06:08:44,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-08 06:08:57,307 WARN L234 SmtUtils]: Spent 12.12s on a formula simplification that was a NOOP. DAG size: 98 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 06:09:14,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:14,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:09:14,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:09:14,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:09:14,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:09:14,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:09:14,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 06:09:14,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-08 06:09:14,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-09-08 06:09:14,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-09-08 06:09:14,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:09:14,217 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 06:09:14,217 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:09:14,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1481703585, now seen corresponding path program 7 times [2023-09-08 06:09:14,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:09:14,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768929540] [2023-09-08 06:09:14,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:09:14,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:09:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:09:20,657 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:09:20,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:09:20,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768929540] [2023-09-08 06:09:20,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768929540] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:09:20,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797834383] [2023-09-08 06:09:20,657 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-09-08 06:09:20,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:09:20,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:09:20,658 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 06:09:20,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-09-08 06:09:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:09:20,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 89 conjunts are in the unsatisfiable core [2023-09-08 06:09:20,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:09:24,995 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:09:24,995 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 53 treesize of output 40 [2023-09-08 06:09:25,217 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:09:25,218 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:09:26,863 INFO L322 Elim1Store]: treesize reduction 22, result has 90.0 percent of original size [2023-09-08 06:09:26,863 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 6 new quantified variables, introduced 15 case distinctions, treesize of input 92 treesize of output 232 [2023-09-08 06:09:33,400 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:09:33,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1797834383] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:09:33,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:09:33,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 46, 46] total 134 [2023-09-08 06:09:33,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886523356] [2023-09-08 06:09:33,401 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:09:33,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2023-09-08 06:09:33,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:09:33,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2023-09-08 06:09:33,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1789, Invalid=16033, Unknown=0, NotChecked=0, Total=17822 [2023-09-08 06:09:33,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:33,407 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:09:33,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 3.798507462686567) internal successors, (509), 134 states have internal predecessors, (509), 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 06:09:33,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:33,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:09:33,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:09:33,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:09:33,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:09:33,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:09:33,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 06:09:33,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-08 06:09:33,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-09-08 06:09:33,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:40,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:40,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:09:40,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:09:40,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:09:40,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:09:40,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:09:40,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 06:09:40,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-08 06:09:40,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-09-08 06:09:40,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-08 06:09:40,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-09-08 06:09:41,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:09:41,021 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 06:09:41,021 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:09:41,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1130269928, now seen corresponding path program 8 times [2023-09-08 06:09:41,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:09:41,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328814846] [2023-09-08 06:09:41,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:09:41,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:09:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:09:48,345 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 6 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:09:48,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:09:48,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328814846] [2023-09-08 06:09:48,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328814846] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:09:48,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482656200] [2023-09-08 06:09:48,346 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 06:09:48,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:09:48,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:09:48,348 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 06:09:48,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-09-08 06:09:48,482 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 06:09:48,482 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 06:09:48,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 66 conjunts are in the unsatisfiable core [2023-09-08 06:09:48,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:09:51,444 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:09:51,444 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 47 treesize of output 37 [2023-09-08 06:09:51,688 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-09-08 06:09:51,688 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:09:53,583 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:09:53,584 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 116 treesize of output 388 [2023-09-08 06:10:33,041 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 4 proven. 65 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-09-08 06:10:33,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482656200] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:10:33,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:10:33,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 34, 34] total 117 [2023-09-08 06:10:33,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739158688] [2023-09-08 06:10:33,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:10:33,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2023-09-08 06:10:33,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:10:33,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2023-09-08 06:10:33,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=911, Invalid=12661, Unknown=0, NotChecked=0, Total=13572 [2023-09-08 06:10:33,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:10:33,047 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:10:33,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 4.247863247863248) internal successors, (497), 117 states have internal predecessors, (497), 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 06:10:33,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:10:33,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:10:33,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:10:33,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:10:33,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:10:33,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:10:33,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 06:10:33,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-08 06:10:33,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-09-08 06:10:33,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-09-08 06:10:33,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:10:43,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:10:43,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:10:43,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:10:43,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:10:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:10:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:10:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 06:10:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-08 06:10:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-09-08 06:10:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-08 06:10:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-09-08 06:10:43,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-09-08 06:10:43,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-09-08 06:10:43,769 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 06:10:43,769 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:10:43,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1109819725, now seen corresponding path program 9 times [2023-09-08 06:10:43,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:10:43,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027102084] [2023-09-08 06:10:43,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:10:43,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:10:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:11:00,476 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 269 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:11:00,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:11:00,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027102084] [2023-09-08 06:11:00,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027102084] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:11:00,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503212907] [2023-09-08 06:11:00,477 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-08 06:11:00,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:11:00,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:11:00,478 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 06:11:00,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-09-08 06:11:00,827 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-09-08 06:11:00,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 06:11:00,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 45 conjunts are in the unsatisfiable core [2023-09-08 06:11:00,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:11:02,840 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:11:02,841 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 51 treesize of output 39 [2023-09-08 06:11:03,151 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 1 proven. 34 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-09-08 06:11:03,151 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:11:04,846 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:11:04,846 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 6 new quantified variables, introduced 15 case distinctions, treesize of input 92 treesize of output 276 [2023-09-08 06:11:11,064 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-09-08 06:11:11,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503212907] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:11:11,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:11:11,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 22, 22] total 102 [2023-09-08 06:11:11,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608550498] [2023-09-08 06:11:11,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:11:11,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2023-09-08 06:11:11,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:11:11,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2023-09-08 06:11:11,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=433, Invalid=9869, Unknown=0, NotChecked=0, Total=10302 [2023-09-08 06:11:11,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:11:11,068 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:11:11,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 3.950980392156863) internal successors, (403), 102 states have internal predecessors, (403), 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 06:11:11,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:11:11,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:11:11,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:11:11,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:11:11,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:11:11,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:11:11,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 06:11:11,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-08 06:11:11,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-09-08 06:11:11,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-09-08 06:11:11,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-09-08 06:11:11,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:11:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:11:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:11:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:11:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:11:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:11:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:11:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 06:11:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-08 06:11:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-09-08 06:11:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-08 06:11:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-09-08 06:11:22,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-08 06:11:22,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-09-08 06:11:23,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:11:23,073 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 06:11:23,073 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:11:23,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1352904458, now seen corresponding path program 10 times [2023-09-08 06:11:23,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:11:23,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361622450] [2023-09-08 06:11:23,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:11:23,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:11:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:11:23,640 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-09-08 06:11:23,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:11:23,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361622450] [2023-09-08 06:11:23,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361622450] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:11:23,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236345540] [2023-09-08 06:11:23,640 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-08 06:11:23,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:11:23,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:11:23,642 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 06:11:23,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-09-08 06:11:23,779 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-08 06:11:23,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 06:11:23,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 18 conjunts are in the unsatisfiable core [2023-09-08 06:11:23,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:11:24,359 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 125 proven. 52 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2023-09-08 06:11:24,360 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:11:24,972 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 99 proven. 78 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2023-09-08 06:11:24,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236345540] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:11:24,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:11:24,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 46 [2023-09-08 06:11:24,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772281460] [2023-09-08 06:11:24,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:11:24,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-09-08 06:11:24,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:11:24,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-09-08 06:11:24,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=1723, Unknown=0, NotChecked=0, Total=2070 [2023-09-08 06:11:24,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:11:24,975 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:11:24,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 8.195652173913043) internal successors, (377), 46 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 06:11:24,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:11:24,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:11:24,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:11:24,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:11:24,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:11:24,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:11:24,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 06:11:24,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-08 06:11:24,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-09-08 06:11:24,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-09-08 06:11:24,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-09-08 06:11:24,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-08 06:11:24,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:11:25,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:11:25,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:11:25,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:11:25,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:11:25,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:11:25,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:11:25,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 06:11:25,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-08 06:11:25,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-09-08 06:11:25,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-08 06:11:25,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-09-08 06:11:25,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-08 06:11:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-08 06:11:25,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-09-08 06:11:25,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-09-08 06:11:25,793 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 06:11:25,793 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:11:25,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1191845978, now seen corresponding path program 11 times [2023-09-08 06:11:25,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:11:25,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995446685] [2023-09-08 06:11:25,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:11:25,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:11:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:11:26,426 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 120 proven. 95 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2023-09-08 06:11:26,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:11:26,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995446685] [2023-09-08 06:11:26,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995446685] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:11:26,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554141889] [2023-09-08 06:11:26,426 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-08 06:11:26,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:11:26,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:11:26,441 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 06:11:26,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-09-08 06:11:26,742 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2023-09-08 06:11:26,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 06:11:26,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 29 conjunts are in the unsatisfiable core [2023-09-08 06:11:26,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:11:27,436 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 106 proven. 113 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-09-08 06:11:27,436 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:11:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 48 proven. 171 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-09-08 06:11:28,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554141889] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:11:28,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:11:28,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 55 [2023-09-08 06:11:28,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141102723] [2023-09-08 06:11:28,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:11:28,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-09-08 06:11:28,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:11:28,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-09-08 06:11:28,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=2518, Unknown=0, NotChecked=0, Total=2970 [2023-09-08 06:11:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:11:28,222 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:11:28,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 7.509090909090909) internal successors, (413), 55 states have internal predecessors, (413), 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 06:11:28,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:11:28,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:11:28,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:11:28,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:11:28,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:11:28,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:11:28,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 06:11:28,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-08 06:11:28,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-09-08 06:11:28,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-09-08 06:11:28,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-09-08 06:11:28,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-08 06:11:28,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-08 06:11:28,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:11:29,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:11:29,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:11:29,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:11:29,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:11:29,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:11:29,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:11:29,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 06:11:29,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-08 06:11:29,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-09-08 06:11:29,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-08 06:11:29,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-09-08 06:11:29,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-08 06:11:29,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-08 06:11:29,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-08 06:11:29,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-09-08 06:11:29,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-09-08 06:11:29,361 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 06:11:29,361 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:11:29,361 INFO L85 PathProgramCache]: Analyzing trace with hash 30556586, now seen corresponding path program 12 times [2023-09-08 06:11:29,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:11:29,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929856990] [2023-09-08 06:11:29,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:11:29,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:11:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:11:29,696 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 70 proven. 28 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2023-09-08 06:11:29,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:11:29,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929856990] [2023-09-08 06:11:29,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929856990] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:11:29,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961570459] [2023-09-08 06:11:29,697 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-08 06:11:29,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:11:29,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:11:29,698 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 06:11:29,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-09-08 06:11:30,400 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2023-09-08 06:11:30,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 06:11:30,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 15 conjunts are in the unsatisfiable core [2023-09-08 06:11:30,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:11:30,730 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 74 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2023-09-08 06:11:30,730 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:11:31,621 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 45 proven. 91 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2023-09-08 06:11:31,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961570459] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:11:31,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:11:31,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 12] total 16 [2023-09-08 06:11:31,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883502242] [2023-09-08 06:11:31,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:11:31,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-09-08 06:11:31,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:11:31,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-09-08 06:11:31,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=139, Unknown=0, NotChecked=0, Total=240 [2023-09-08 06:11:31,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:11:31,624 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:11:31,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 19.5) internal successors, (312), 16 states have internal predecessors, (312), 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 06:11:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:11:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:11:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:11:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:11:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:11:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:11:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 06:11:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-08 06:11:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-09-08 06:11:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-09-08 06:11:31,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-09-08 06:11:31,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-08 06:11:31,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-08 06:11:31,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-08 06:11:31,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:11:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:11:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:11:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:11:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:11:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:11:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:11:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 06:11:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-08 06:11:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-09-08 06:11:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-08 06:11:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-09-08 06:11:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-08 06:11:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-08 06:11:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-08 06:11:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-08 06:11:31,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-09-08 06:11:31,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-09-08 06:11:31,924 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 06:11:31,925 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:11:31,925 INFO L85 PathProgramCache]: Analyzing trace with hash 781837802, now seen corresponding path program 13 times [2023-09-08 06:11:31,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:11:31,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369137504] [2023-09-08 06:11:31,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:11:31,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:11:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:11:43,911 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 24 proven. 464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:11:43,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:11:43,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369137504] [2023-09-08 06:11:43,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369137504] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:11:43,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853487196] [2023-09-08 06:11:43,912 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-09-08 06:11:43,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:11:43,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:11:43,918 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 06:11:43,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-09-08 06:11:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:11:44,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 132 conjunts are in the unsatisfiable core [2023-09-08 06:11:44,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:11:53,712 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:11:53,713 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 51 treesize of output 39 [2023-09-08 06:11:54,102 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:11:54,102 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:11:56,500 INFO L322 Elim1Store]: treesize reduction 22, result has 90.0 percent of original size [2023-09-08 06:11:56,500 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 6 new quantified variables, introduced 15 case distinctions, treesize of input 92 treesize of output 232 [2023-09-08 06:12:11,002 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:12:11,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853487196] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:12:11,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:12:11,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 70, 70] total 209 [2023-09-08 06:12:11,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801279905] [2023-09-08 06:12:11,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:12:11,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 209 states [2023-09-08 06:12:11,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:12:11,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 209 interpolants. [2023-09-08 06:12:11,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3797, Invalid=39675, Unknown=0, NotChecked=0, Total=43472 [2023-09-08 06:12:11,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:12:11,009 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:12:11,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 209 states, 209 states have (on average 3.708133971291866) internal successors, (775), 209 states have internal predecessors, (775), 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 06:12:11,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:12:11,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:12:11,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:12:11,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:12:11,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:12:11,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:12:11,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 06:12:11,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-08 06:12:11,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-09-08 06:12:11,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-09-08 06:12:11,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-09-08 06:12:11,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-08 06:12:11,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-08 06:12:11,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-08 06:12:11,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-08 06:12:11,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:12:31,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:12:31,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:12:31,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:12:31,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-08 06:12:31,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:12:31,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 06:12:31,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 06:12:31,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-08 06:12:31,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-09-08 06:12:31,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-08 06:12:31,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-09-08 06:12:31,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-08 06:12:31,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-08 06:12:31,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-08 06:12:31,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-08 06:12:31,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-08 06:12:31,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-09-08 06:12:31,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-09-08 06:12:31,693 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 06:12:31,693 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:12:31,693 INFO L85 PathProgramCache]: Analyzing trace with hash -833456525, now seen corresponding path program 14 times [2023-09-08 06:12:31,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:12:31,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000245603] [2023-09-08 06:12:31,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:12:31,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:12:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:12:41,854 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 54 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:12:41,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:12:41,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000245603] [2023-09-08 06:12:41,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000245603] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:12:41,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380261813] [2023-09-08 06:12:41,855 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 06:12:41,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:12:41,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:12:41,856 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 06:12:41,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-09-08 06:12:42,198 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 06:12:42,198 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 06:12:42,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 128 conjunts are in the unsatisfiable core [2023-09-08 06:12:42,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:12:47,119 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-09-08 06:12:48,004 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 06:12:48,157 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 06:12:52,863 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:12:52,863 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 47 treesize of output 37 [2023-09-08 06:12:53,256 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 0 proven. 559 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-09-08 06:12:53,256 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-09-08 06:14:14,933 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 06:14:14,933 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-08 06:14:14,933 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 06:14:15,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-09-08 06:14:15,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-09-08 06:14:15,991 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-09-08 06:14:15,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-09-08 06:14:15,992 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 313 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2023-09-08 06:14:15,993 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-09-08 06:14:15,993 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-09-08 06:14:15,995 INFO L445 BasicCegarLoop]: Path program histogram: [14, 1, 1, 1] [2023-09-08 06:14:15,998 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-08 06:14:15,998 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-08 06:14:15,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:14:15 BasicIcfg [2023-09-08 06:14:15,999 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-08 06:14:16,000 INFO L158 Benchmark]: Toolchain (without parser) took 794492.99ms. Allocated memory was 201.3MB in the beginning and 893.4MB in the end (delta: 692.1MB). Free memory was 155.8MB in the beginning and 417.8MB in the end (delta: -262.1MB). Peak memory consumption was 431.3MB. Max. memory is 7.0GB. [2023-09-08 06:14:16,000 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 164.6MB. Free memory was 119.3MB in the beginning and 119.2MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 7.0GB. [2023-09-08 06:14:16,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.60ms. Allocated memory is still 201.3MB. Free memory was 155.8MB in the beginning and 144.0MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-08 06:14:16,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.09ms. Allocated memory is still 201.3MB. Free memory was 144.0MB in the beginning and 141.5MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-08 06:14:16,000 INFO L158 Benchmark]: Boogie Preprocessor took 26.19ms. Allocated memory is still 201.3MB. Free memory was 141.5MB in the beginning and 140.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-08 06:14:16,000 INFO L158 Benchmark]: RCFGBuilder took 538.53ms. Allocated memory is still 201.3MB. Free memory was 139.8MB in the beginning and 110.7MB in the end (delta: 29.1MB). Peak memory consumption was 29.4MB. Max. memory is 7.0GB. [2023-09-08 06:14:16,001 INFO L158 Benchmark]: TraceAbstraction took 793669.40ms. Allocated memory was 201.3MB in the beginning and 893.4MB in the end (delta: 692.1MB). Free memory was 110.0MB in the beginning and 417.8MB in the end (delta: -307.8MB). Peak memory consumption was 385.2MB. Max. memory is 7.0GB. [2023-09-08 06:14:16,002 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 164.6MB. Free memory was 119.3MB in the beginning and 119.2MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 219.60ms. Allocated memory is still 201.3MB. Free memory was 155.8MB in the beginning and 144.0MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 34.09ms. Allocated memory is still 201.3MB. Free memory was 144.0MB in the beginning and 141.5MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 26.19ms. Allocated memory is still 201.3MB. Free memory was 141.5MB in the beginning and 140.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * RCFGBuilder took 538.53ms. Allocated memory is still 201.3MB. Free memory was 139.8MB in the beginning and 110.7MB in the end (delta: 29.1MB). Peak memory consumption was 29.4MB. Max. memory is 7.0GB. * TraceAbstraction took 793669.40ms. Allocated memory was 201.3MB in the beginning and 893.4MB in the end (delta: 692.1MB). Free memory was 110.0MB in the beginning and 417.8MB in the end (delta: -307.8MB). Peak memory consumption was 385.2MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4802, independent: 2833, independent conditional: 2833, independent unconditional: 0, dependent: 1969, dependent conditional: 1969, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2876, independent: 2833, independent conditional: 2833, independent unconditional: 0, dependent: 43, dependent conditional: 43, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2876, independent: 2833, independent conditional: 2833, independent unconditional: 0, dependent: 43, dependent conditional: 43, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3341, independent: 2833, independent conditional: 0, independent unconditional: 2833, dependent: 508, dependent conditional: 465, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3341, independent: 2833, independent conditional: 0, independent unconditional: 2833, dependent: 508, dependent conditional: 199, dependent unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3341, independent: 2833, independent conditional: 0, independent unconditional: 2833, dependent: 508, dependent conditional: 199, dependent unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 185, independent: 163, independent conditional: 0, independent unconditional: 163, dependent: 22, dependent conditional: 21, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 185, independent: 162, independent conditional: 0, independent unconditional: 162, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 23, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 22, dependent conditional: 21, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 22, dependent conditional: 21, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 179, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 168, dependent conditional: 103, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3341, independent: 2670, independent conditional: 0, independent unconditional: 2670, dependent: 486, dependent conditional: 178, dependent unconditional: 308, unknown: 185, unknown conditional: 21, unknown unconditional: 164] , Statistics on independence cache: Total cache size (in pairs): 185, Positive cache size: 163, Positive conditional cache size: 0, Positive unconditional cache size: 163, Negative cache size: 22, Negative conditional cache size: 21, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 266, Maximal queried relation: 16, Independence queries for same thread: 1926 - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 313 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 96]: 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 313 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 97]: 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 313 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 180 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 793.5s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 14, EmptinessCheckTime: 413.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 555, 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: 0.4s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 268.9s InterpolantComputationTime, 5999 NumberOfCodeBlocks, 5917 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 8669 ConstructedInterpolants, 230 QuantifiedInterpolants, 125829 SizeOfPredicates, 368 NumberOfNonLiveVariables, 6323 ConjunctsInSsa, 607 ConjunctsInUnsatCore, 40 InterpolantComputations, 4 PerfectInterpolantSequences, 4588/8142 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