/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 07:26:33,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 07:26:33,784 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-07 07:26:33,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 07:26:33,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 07:26:33,794 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 07:26:33,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 07:26:33,820 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 07:26:33,820 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 07:26:33,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 07:26:33,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 07:26:33,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 07:26:33,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 07:26:33,825 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 07:26:33,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 07:26:33,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 07:26:33,825 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 07:26:33,825 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 07:26:33,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 07:26:33,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 07:26:33,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 07:26:33,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 07:26:33,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 07:26:33,827 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 07:26:33,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 07:26:33,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 07:26:33,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 07:26:33,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 07:26:33,828 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 07:26:33,828 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 07:26:33,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 07:26:33,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 07:26:33,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 07:26:33,829 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-07 07:26:33,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 07:26:33,830 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 07:26:33,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 07:26:33,830 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 07:26:33,830 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 07:26:33,830 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 07:26:33,830 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-07 07:26:33,830 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-09-07 07:26:34,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 07:26:34,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 07:26:34,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 07:26:34,037 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 07:26:34,037 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 07:26:34,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c [2023-09-07 07:26:34,963 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 07:26:35,152 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 07:26:35,153 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c [2023-09-07 07:26:35,158 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c8bcb434/7b13091da53d45d6a413ee85b42dbc4f/FLAG50af71f8d [2023-09-07 07:26:35,168 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c8bcb434/7b13091da53d45d6a413ee85b42dbc4f [2023-09-07 07:26:35,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 07:26:35,173 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 07:26:35,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 07:26:35,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 07:26:35,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 07:26:35,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 07:26:35" (1/1) ... [2023-09-07 07:26:35,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@646ea25d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:35, skipping insertion in model container [2023-09-07 07:26:35,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 07:26:35" (1/1) ... [2023-09-07 07:26:35,200 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 07:26:35,309 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-prod-cons.wvr.c[3056,3069] [2023-09-07 07:26:35,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 07:26:35,321 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 07:26:35,335 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-prod-cons.wvr.c[3056,3069] [2023-09-07 07:26:35,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 07:26:35,343 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 07:26:35,343 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 07:26:35,348 INFO L206 MainTranslator]: Completed translation [2023-09-07 07:26:35,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:35 WrapperNode [2023-09-07 07:26:35,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 07:26:35,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 07:26:35,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 07:26:35,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 07:26:35,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:35" (1/1) ... [2023-09-07 07:26:35,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:35" (1/1) ... [2023-09-07 07:26:35,380 INFO L138 Inliner]: procedures = 25, calls = 50, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 172 [2023-09-07 07:26:35,380 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 07:26:35,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 07:26:35,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 07:26:35,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 07:26:35,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:35" (1/1) ... [2023-09-07 07:26:35,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:35" (1/1) ... [2023-09-07 07:26:35,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:35" (1/1) ... [2023-09-07 07:26:35,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:35" (1/1) ... [2023-09-07 07:26:35,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:35" (1/1) ... [2023-09-07 07:26:35,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:35" (1/1) ... [2023-09-07 07:26:35,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:35" (1/1) ... [2023-09-07 07:26:35,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:35" (1/1) ... [2023-09-07 07:26:35,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 07:26:35,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 07:26:35,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 07:26:35,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 07:26:35,413 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:35" (1/1) ... [2023-09-07 07:26:35,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 07:26:35,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:26:35,438 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) [2023-09-07 07:26:35,444 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 [2023-09-07 07:26:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 07:26:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 07:26:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 07:26:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-07 07:26:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-07 07:26:35,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-07 07:26:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-07 07:26:35,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-07 07:26:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-09-07 07:26:35,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-09-07 07:26:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 07:26:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-07 07:26:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-07 07:26:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-07 07:26:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 07:26:35,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 07:26:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 07:26:35,471 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-07 07:26:35,539 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 07:26:35,541 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 07:26:35,715 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 07:26:35,776 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 07:26:35,779 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-09-07 07:26:35,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 07:26:35 BoogieIcfgContainer [2023-09-07 07:26:35,781 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 07:26:35,783 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 07:26:35,783 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 07:26:35,785 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 07:26:35,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 07:26:35" (1/3) ... [2023-09-07 07:26:35,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b892f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 07:26:35, skipping insertion in model container [2023-09-07 07:26:35,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:35" (2/3) ... [2023-09-07 07:26:35,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b892f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 07:26:35, skipping insertion in model container [2023-09-07 07:26:35,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 07:26:35" (3/3) ... [2023-09-07 07:26:35,788 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons.wvr.c [2023-09-07 07:26:35,793 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 07:26:35,799 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 07:26:35,799 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-07 07:26:35,799 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 07:26:35,865 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-09-07 07:26:35,900 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 07:26:35,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 07:26:35,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:26:35,901 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) [2023-09-07 07:26:35,902 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 [2023-09-07 07:26:35,944 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 07:26:35,949 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-09-07 07:26:35,954 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;@23f74769, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 07:26:35,954 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2023-09-07 07:26:36,036 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:26:36,039 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:26:36,039 INFO L85 PathProgramCache]: Analyzing trace with hash -703240314, now seen corresponding path program 1 times [2023-09-07 07:26:36,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:26:36,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060316896] [2023-09-07 07:26:36,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:26:36,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:26:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:26:36,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 07:26:36,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:26:36,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060316896] [2023-09-07 07:26:36,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060316896] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 07:26:36,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 07:26:36,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-07 07:26:36,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556038053] [2023-09-07 07:26:36,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 07:26:36,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-07 07:26:36,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:26:36,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-07 07:26:36,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-07 07:26:36,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:36,306 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:26:36,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 58.0) internal successors, (116), 2 states have internal predecessors, (116), 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) [2023-09-07 07:26:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 07:26:36,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:36,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-07 07:26:36,354 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:26:36,354 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:26:36,355 INFO L85 PathProgramCache]: Analyzing trace with hash -151358168, now seen corresponding path program 1 times [2023-09-07 07:26:36,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:26:36,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266111266] [2023-09-07 07:26:36,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:26:36,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:26:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:26:36,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-07 07:26:36,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:26:36,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266111266] [2023-09-07 07:26:36,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266111266] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 07:26:36,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 07:26:36,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-09-07 07:26:36,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826370068] [2023-09-07 07:26:36,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 07:26:36,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-07 07:26:36,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:26:36,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-07 07:26:36,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-09-07 07:26:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:36,675 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:26:36,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 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) [2023-09-07 07:26:36,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:36,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 07:26:36,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:36,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:26:36,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-07 07:26:36,771 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:26:36,771 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:26:36,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1588120504, now seen corresponding path program 1 times [2023-09-07 07:26:36,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:26:36,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28890341] [2023-09-07 07:26:36,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:26:36,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:26:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:26:39,279 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:26:39,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:26:39,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28890341] [2023-09-07 07:26:39,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28890341] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:26:39,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541825987] [2023-09-07 07:26:39,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:26:39,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:26:39,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:26:39,349 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) [2023-09-07 07:26:39,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-07 07:26:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:26:39,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 60 conjunts are in the unsatisfiable core [2023-09-07 07:26:39,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:26:40,513 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 11 treesize of output 7 [2023-09-07 07:26:41,004 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 [2023-09-07 07:26:41,103 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 [2023-09-07 07:26:41,192 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 [2023-09-07 07:26:41,723 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:26:41,723 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:26:44,095 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 07:26:44,095 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 68 treesize of output 56 [2023-09-07 07:26:44,123 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 07:26:44,124 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 644 treesize of output 620 [2023-09-07 07:26:44,166 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 07:26:44,167 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 296 treesize of output 280 [2023-09-07 07:26:44,181 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 07:26:44,181 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 205 treesize of output 201 [2023-09-07 07:26:44,193 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 07:26:44,194 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 260 treesize of output 220 [2023-09-07 07:26:45,372 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:26:45,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541825987] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:26:45,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:26:45,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 37, 32] total 96 [2023-09-07 07:26:45,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242192100] [2023-09-07 07:26:45,373 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:26:45,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-09-07 07:26:45,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:26:45,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-09-07 07:26:45,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1015, Invalid=8087, Unknown=18, NotChecked=0, Total=9120 [2023-09-07 07:26:45,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:45,379 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:26:45,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 3.28125) internal successors, (315), 96 states have internal predecessors, (315), 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) [2023-09-07 07:26:45,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:45,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:26:45,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 07:26:53,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:53,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:26:53,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 07:26:53,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-09-07 07:26:53,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-09-07 07:26:53,974 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:26:53,975 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:26:53,975 INFO L85 PathProgramCache]: Analyzing trace with hash -309740106, now seen corresponding path program 2 times [2023-09-07 07:26:53,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:26:53,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057764738] [2023-09-07 07:26:53,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:26:53,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:26:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:26:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 7 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:26:55,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:26:55,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057764738] [2023-09-07 07:26:55,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057764738] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:26:55,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382534711] [2023-09-07 07:26:55,901 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 07:26:55,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:26:55,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:26:55,903 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) [2023-09-07 07:26:55,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-07 07:26:56,063 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 07:26:56,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 07:26:56,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 97 conjunts are in the unsatisfiable core [2023-09-07 07:26:56,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:26:56,946 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 11 treesize of output 7 [2023-09-07 07:26:57,199 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 13 treesize of output 9 [2023-09-07 07:26:57,415 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-09-07 07:26:57,838 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 [2023-09-07 07:26:57,916 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 [2023-09-07 07:26:58,034 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 [2023-09-07 07:26:59,068 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 07:26:59,068 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 25 treesize of output 7 [2023-09-07 07:26:59,285 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:26:59,286 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:27:03,939 INFO L322 Elim1Store]: treesize reduction 55, result has 41.5 percent of original size [2023-09-07 07:27:03,939 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 3 case distinctions, treesize of input 197 treesize of output 123 [2023-09-07 07:27:03,961 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 07:27:03,962 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 1106 treesize of output 1074 [2023-09-07 07:27:03,995 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 07:27:03,995 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 504 treesize of output 436 [2023-09-07 07:27:04,028 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 07:27:04,029 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 316 treesize of output 326 [2023-09-07 07:27:04,058 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 07:27:04,059 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 315 treesize of output 299 [2023-09-07 07:27:07,682 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 13 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:27:07,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382534711] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:27:07,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:27:07,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 49, 46] total 127 [2023-09-07 07:27:07,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636985397] [2023-09-07 07:27:07,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:27:07,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2023-09-07 07:27:07,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:27:07,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2023-09-07 07:27:07,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1843, Invalid=14061, Unknown=98, NotChecked=0, Total=16002 [2023-09-07 07:27:07,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:27:07,688 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:27:07,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 3.5039370078740157) internal successors, (445), 127 states have internal predecessors, (445), 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) [2023-09-07 07:27:07,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:27:07,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:27:07,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 07:27:07,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:27:20,788 WARN L234 SmtUtils]: Spent 12.80s on a formula simplification. DAG size of input: 303 DAG size of output: 288 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 07:27:33,953 WARN L234 SmtUtils]: Spent 12.91s on a formula simplification. DAG size of input: 280 DAG size of output: 265 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 07:27:43,515 WARN L234 SmtUtils]: Spent 9.30s on a formula simplification. DAG size of input: 300 DAG size of output: 285 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 07:27:45,558 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] Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 07:28:12,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:28:12,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:28:12,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-09-07 07:28:12,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2023-09-07 07:28:12,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-09-07 07:28:12,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:28:12,551 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:28:12,551 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:28:12,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1057514816, now seen corresponding path program 1 times [2023-09-07 07:28:12,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:28:12,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457503979] [2023-09-07 07:28:12,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:28:12,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:28:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:28:18,681 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 159 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:28:18,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:28:18,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457503979] [2023-09-07 07:28:18,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457503979] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:28:18,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541248396] [2023-09-07 07:28:18,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:28:18,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:28:18,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:28:18,684 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) [2023-09-07 07:28:18,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-07 07:28:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:28:18,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 89 conjunts are in the unsatisfiable core [2023-09-07 07:28:18,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:28:25,077 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 159 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:28:25,078 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:28:27,855 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 07:28:27,856 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 74 treesize of output 106 [2023-09-07 07:28:31,944 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 4 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:28:31,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541248396] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:28:31,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:28:31,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 45, 44] total 128 [2023-09-07 07:28:31,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929677454] [2023-09-07 07:28:31,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:28:31,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2023-09-07 07:28:31,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:28:31,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2023-09-07 07:28:31,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1551, Invalid=14705, Unknown=0, NotChecked=0, Total=16256 [2023-09-07 07:28:31,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:28:31,950 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:28:31,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 128 states have (on average 4.0546875) internal successors, (519), 128 states have internal predecessors, (519), 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) [2023-09-07 07:28:31,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:28:31,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:28:31,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-09-07 07:28:31,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2023-09-07 07:28:31,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 07:28:57,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:28:57,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:28:57,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-09-07 07:28:57,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-09-07 07:28:57,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-09-07 07:28:57,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-07 07:28:57,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:28:57,825 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:28:57,825 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:28:57,826 INFO L85 PathProgramCache]: Analyzing trace with hash -820763961, now seen corresponding path program 3 times [2023-09-07 07:28:57,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:28:57,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352112612] [2023-09-07 07:28:57,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:28:57,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:28:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:28:58,622 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 264 proven. 252 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-09-07 07:28:58,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:28:58,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352112612] [2023-09-07 07:28:58,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352112612] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:28:58,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840493819] [2023-09-07 07:28:58,623 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-07 07:28:58,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:28:58,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:28:58,633 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) [2023-09-07 07:28:58,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-09-07 07:28:58,734 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-09-07 07:28:58,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 07:28:58,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 6 conjunts are in the unsatisfiable core [2023-09-07 07:28:58,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:28:58,853 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-09-07 07:28:58,853 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-09-07 07:28:58,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840493819] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 07:28:58,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-09-07 07:28:58,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [27] total 30 [2023-09-07 07:28:58,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830304038] [2023-09-07 07:28:58,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 07:28:58,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-07 07:28:58,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:28:58,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-07 07:28:58,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=741, Unknown=0, NotChecked=0, Total=870 [2023-09-07 07:28:58,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:28:58,854 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:28:58,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 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) [2023-09-07 07:28:58,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:28:58,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:28:58,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-09-07 07:28:58,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-09-07 07:28:58,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-09-07 07:28:58,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 07:29:01,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:01,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:29:01,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-09-07 07:29:01,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-09-07 07:29:01,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2023-09-07 07:29:01,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 07:29:01,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-09-07 07:29:01,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:29:01,406 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:29:01,406 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:29:01,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1364168941, now seen corresponding path program 4 times [2023-09-07 07:29:01,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:29:01,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458141641] [2023-09-07 07:29:01,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:29:01,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:29:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:29:02,216 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 255 proven. 203 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-09-07 07:29:02,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:29:02,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458141641] [2023-09-07 07:29:02,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458141641] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:29:02,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278409502] [2023-09-07 07:29:02,217 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-07 07:29:02,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:29:02,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:29:02,229 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) [2023-09-07 07:29:02,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-09-07 07:29:02,342 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-07 07:29:02,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 07:29:02,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 27 conjunts are in the unsatisfiable core [2023-09-07 07:29:02,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:29:03,618 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 283 proven. 175 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-09-07 07:29:03,619 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:29:04,931 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 199 proven. 259 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-09-07 07:29:04,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278409502] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:29:04,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:29:04,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 73 [2023-09-07 07:29:04,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194496210] [2023-09-07 07:29:04,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:29:04,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2023-09-07 07:29:04,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:29:04,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2023-09-07 07:29:04,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=815, Invalid=4441, Unknown=0, NotChecked=0, Total=5256 [2023-09-07 07:29:04,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:04,935 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:29:04,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 7.041095890410959) internal successors, (514), 73 states have internal predecessors, (514), 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) [2023-09-07 07:29:04,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:04,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:29:04,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-09-07 07:29:04,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-09-07 07:29:04,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2023-09-07 07:29:04,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 07:29:04,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 07:29:07,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:07,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:29:07,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-09-07 07:29:07,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-09-07 07:29:07,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2023-09-07 07:29:07,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 07:29:07,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 07:29:07,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-09-07 07:29:07,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:29:07,519 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:29:07,520 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:29:07,520 INFO L85 PathProgramCache]: Analyzing trace with hash -2023726797, now seen corresponding path program 5 times [2023-09-07 07:29:07,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:29:07,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932422400] [2023-09-07 07:29:07,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:29:07,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:29:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:29:18,292 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 16 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:29:18,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:29:18,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932422400] [2023-09-07 07:29:18,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932422400] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:29:18,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292128603] [2023-09-07 07:29:18,293 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-07 07:29:18,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:29:18,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:29:18,294 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) [2023-09-07 07:29:18,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-09-07 07:29:18,474 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2023-09-07 07:29:18,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 07:29:18,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 121 conjunts are in the unsatisfiable core [2023-09-07 07:29:18,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:29:26,171 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 23 proven. 530 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-09-07 07:29:26,172 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:29:33,449 INFO L322 Elim1Store]: treesize reduction 60, result has 75.1 percent of original size [2023-09-07 07:29:33,449 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 120 treesize of output 212 [2023-09-07 07:29:35,736 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 23 proven. 263 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-09-07 07:29:35,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292128603] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:29:35,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:29:35,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 55, 42] total 162 [2023-09-07 07:29:35,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103070773] [2023-09-07 07:29:35,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:29:35,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 162 states [2023-09-07 07:29:35,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:29:35,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2023-09-07 07:29:35,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1163, Invalid=24919, Unknown=0, NotChecked=0, Total=26082 [2023-09-07 07:29:35,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:35,743 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:29:35,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 162 states, 162 states have (on average 3.8950617283950617) internal successors, (631), 162 states have internal predecessors, (631), 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) [2023-09-07 07:29:35,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:35,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:29:35,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-09-07 07:29:35,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-09-07 07:29:35,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2023-09-07 07:29:35,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 07:29:35,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 07:29:35,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 07:30:06,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:30:06,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:30:06,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-09-07 07:30:06,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-09-07 07:30:06,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2023-09-07 07:30:06,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 07:30:06,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 07:30:06,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-09-07 07:30:06,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-09-07 07:30:06,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:30:06,548 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:30:06,548 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:30:06,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1874934285, now seen corresponding path program 6 times [2023-09-07 07:30:06,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:30:06,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689100988] [2023-09-07 07:30:06,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:30:06,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:30:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:30:17,250 INFO L134 CoverageAnalysis]: Checked inductivity of 935 backedges. 278 proven. 657 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:30:17,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:30:17,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689100988] [2023-09-07 07:30:17,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689100988] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:30:17,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396569724] [2023-09-07 07:30:17,250 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-07 07:30:17,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:30:17,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:30:17,251 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) [2023-09-07 07:30:17,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-09-07 07:30:18,174 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2023-09-07 07:30:18,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 07:30:18,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 171 conjunts are in the unsatisfiable core [2023-09-07 07:30:18,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:30:21,086 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 [2023-09-07 07:30:21,500 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 [2023-09-07 07:30:21,856 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 [2023-09-07 07:30:22,294 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 [2023-09-07 07:30:22,692 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 [2023-09-07 07:30:23,147 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 [2023-09-07 07:30:23,596 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 [2023-09-07 07:30:24,043 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 [2023-09-07 07:30:25,179 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 [2023-09-07 07:30:25,421 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 [2023-09-07 07:30:25,656 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 [2023-09-07 07:30:39,216 INFO L322 Elim1Store]: treesize reduction 114, result has 34.9 percent of original size [2023-09-07 07:30:39,216 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 94 treesize of output 85 [2023-09-07 07:30:40,976 INFO L134 CoverageAnalysis]: Checked inductivity of 935 backedges. 46 proven. 889 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:30:40,976 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:31:52,899 INFO L322 Elim1Store]: treesize reduction 630, result has 26.4 percent of original size [2023-09-07 07:31:52,899 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 8 case distinctions, treesize of input 835 treesize of output 430 [2023-09-07 07:31:57,180 INFO L322 Elim1Store]: treesize reduction 78, result has 93.1 percent of original size [2023-09-07 07:31:57,183 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 5161 treesize of output 5807 [2023-09-07 07:31:57,632 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-07 07:31:57,633 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-07 07:31:57,638 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-07 07:31:57,647 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-07 07:31:57,655 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-07 07:31:57,660 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-07 07:31:57,669 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-07 07:31:57,691 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-07 07:31:57,715 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-07 07:31:57,735 INFO L217 Elim1Store]: Index analysis took 103 ms [2023-09-07 07:31:58,263 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 07:31:58,263 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 20 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 901 treesize of output 1076 [2023-09-07 07:31:59,586 INFO L322 Elim1Store]: treesize reduction 78, result has 75.5 percent of original size [2023-09-07 07:31:59,586 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 1042 treesize of output 1022 [2023-09-07 07:32:00,932 INFO L322 Elim1Store]: treesize reduction 78, result has 75.5 percent of original size [2023-09-07 07:32:00,933 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 711 treesize of output 821 Received shutdown request... [2023-09-07 07:40:41,406 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 07:40:41,406 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 [2023-09-07 07:40:41,406 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 [2023-09-07 07:40:41,417 WARN L266 SmtUtils]: Removed 2 from assertion stack [2023-09-07 07:40:41,419 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-09-07 07:40:41,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-09-07 07:40:41,626 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,SelfDestructingSolverStorable8 [2023-09-07 07:40:41,626 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 298 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 22ms.. [2023-09-07 07:40:41,636 INFO L445 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1] [2023-09-07 07:40:41,637 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2023-09-07 07:40:41,638 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-07 07:40:41,638 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-07 07:40:41,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 07:40:41 BasicIcfg [2023-09-07 07:40:41,640 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-07 07:40:41,640 INFO L158 Benchmark]: Toolchain (without parser) took 846466.97ms. Allocated memory was 204.5MB in the beginning and 1.1GB in the end (delta: 924.8MB). Free memory was 168.7MB in the beginning and 848.1MB in the end (delta: -679.4MB). Peak memory consumption was 788.5MB. Max. memory is 7.0GB. [2023-09-07 07:40:41,640 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 151.0MB. Free memory was 105.4MB in the beginning and 105.2MB in the end (delta: 161.8kB). There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 07:40:41,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.33ms. Allocated memory is still 204.5MB. Free memory was 168.3MB in the beginning and 156.7MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-07 07:40:41,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.51ms. Allocated memory is still 204.5MB. Free memory was 156.7MB in the beginning and 154.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 07:40:41,657 INFO L158 Benchmark]: Boogie Preprocessor took 30.84ms. Allocated memory is still 204.5MB. Free memory was 154.7MB in the beginning and 153.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 07:40:41,657 INFO L158 Benchmark]: RCFGBuilder took 369.36ms. Allocated memory is still 204.5MB. Free memory was 153.0MB in the beginning and 131.0MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 7.0GB. [2023-09-07 07:40:41,657 INFO L158 Benchmark]: TraceAbstraction took 845856.60ms. Allocated memory was 204.5MB in the beginning and 1.1GB in the end (delta: 924.8MB). Free memory was 130.3MB in the beginning and 848.1MB in the end (delta: -717.8MB). Peak memory consumption was 750.8MB. Max. memory is 7.0GB. [2023-09-07 07:40:41,658 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 151.0MB. Free memory was 105.4MB in the beginning and 105.2MB in the end (delta: 161.8kB). There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 174.33ms. Allocated memory is still 204.5MB. Free memory was 168.3MB in the beginning and 156.7MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 30.51ms. Allocated memory is still 204.5MB. Free memory was 156.7MB in the beginning and 154.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 30.84ms. Allocated memory is still 204.5MB. Free memory was 154.7MB in the beginning and 153.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 369.36ms. Allocated memory is still 204.5MB. Free memory was 153.0MB in the beginning and 131.0MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 7.0GB. * TraceAbstraction took 845856.60ms. Allocated memory was 204.5MB in the beginning and 1.1GB in the end (delta: 924.8MB). Free memory was 130.3MB in the beginning and 848.1MB in the end (delta: -717.8MB). Peak memory consumption was 750.8MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8504, independent: 8223, independent conditional: 8223, independent unconditional: 0, dependent: 281, dependent conditional: 281, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8320, independent: 8223, independent conditional: 8223, independent unconditional: 0, dependent: 97, dependent conditional: 97, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8320, independent: 8223, independent conditional: 8223, independent unconditional: 0, dependent: 97, dependent conditional: 97, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8869, independent: 8223, independent conditional: 0, independent unconditional: 8223, dependent: 646, dependent conditional: 549, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8869, independent: 8223, independent conditional: 0, independent unconditional: 8223, dependent: 646, dependent conditional: 0, dependent unconditional: 646, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8869, independent: 8223, independent conditional: 0, independent unconditional: 8223, dependent: 646, dependent conditional: 0, dependent unconditional: 646, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8320, independent: 8223, independent conditional: 0, independent unconditional: 8223, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8320, independent: 8223, independent conditional: 0, independent unconditional: 8223, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 97, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 97, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 97, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 136, dependent conditional: 0, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8869, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 549, dependent conditional: 0, dependent unconditional: 549, unknown: 8320, unknown conditional: 0, unknown unconditional: 8320] , Statistics on independence cache: Total cache size (in pairs): 8320, Positive cache size: 8223, Positive conditional cache size: 0, Positive unconditional cache size: 8223, Negative cache size: 97, Negative conditional cache size: 0, Negative unconditional cache size: 97, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 549, Maximal queried relation: 8, Independence queries for same thread: 184 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 25, RedundantProofs: 7, ProvenStates: 528 - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 298 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 22ms.. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 168 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 845.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 134.3s, 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: 474, 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: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 73.5s InterpolantComputationTime, 2710 NumberOfCodeBlocks, 2552 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 3677 ConstructedInterpolants, 74 QuantifiedInterpolants, 64592 SizeOfPredicates, 225 NumberOfNonLiveVariables, 2616 ConjunctsInSsa, 400 ConjunctsInUnsatCore, 19 InterpolantComputations, 3 PerfectInterpolantSequences, 1955/4883 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